1 | //////////////////////////////////////////////////////////// |
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2 | // Copyright (C) Roman Ryltsov, 2006-2014 |
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3 | // Created by Roman Ryltsov roman@alax.info |
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4 | // |
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5 | // A permission to use the source code is granted as long as reference to |
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6 | // source website http://alax.info is retained. |
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7 | |
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8 | #pragma once |
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9 | |
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10 | #include <windows.h> |
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11 | #include <mmsystem.h> // CTimedEvent* is compatible with MMSystem API |
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12 | #include <atlsync.h> |
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13 | #include <atlcoll.h> |
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14 | #include "roatlbase.h" |
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15 | #include "roatlcollections.h" |
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16 | |
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17 | #if !defined(_WIN32_WINNT_WIN7) |
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18 | #define _WIN32_WINNT_WIN7 0x0601 |
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19 | #endif // !defined(_WIN32_WINNT_WIN7) |
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20 | |
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21 | //////////////////////////////////////////////////////////// |
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22 | // _Z |
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23 | |
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24 | #define _Z2_HRESULT(x) _Z3(atlTraceGeneral, 2, _T("%hs 0x%08X %s\n"), #x, x, FAILED(x) ? (LPCTSTR) AtlFormatSystemMessage(x).TrimRight(_T("\t\n\r .")) : _T("")) |
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25 | #define _Z3_HRESULT(x) _Z3(atlTraceGeneral, 3, _T("%hs 0x%08X %s\n"), #x, x, FAILED(x) ? (LPCTSTR) AtlFormatSystemMessage(x).TrimRight(_T("\t\n\r .")) : _T("")) |
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26 | #define _Z4_HRESULT(x) _Z4(atlTraceGeneral, 4, _T("%hs 0x%08X %s\n"), #x, x, FAILED(x) ? (LPCTSTR) AtlFormatSystemMessage(x).TrimRight(_T("\t\n\r .")) : _T("")) |
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27 | #define _Z45_HRESULT(x) _Z4(atlTraceGeneral, FAILED(x) ? 4 : 5, _T("%hs 0x%08X %s\n"), #x, x, FAILED(x) ? (LPCTSTR) AtlFormatSystemMessage(x).TrimRight(_T("\t\n\r .")) : _T("")) |
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28 | #define _Z5_HRESULT(x) _Z5(atlTraceGeneral, 5, _T("%hs 0x%08X %s\n"), #x, x, FAILED(x) ? (LPCTSTR) AtlFormatSystemMessage(x).TrimRight(_T("\t\n\r .")) : _T("")) |
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29 | #define _Z_HRESULT(x) _Z4_HRESULT(x) |
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30 | |
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31 | //////////////////////////////////////////////////////////// |
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32 | // CSingleThreadedApartment, CMultiThreadedApartment |
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33 | |
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34 | class CSingleThreadedApartment |
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35 | { |
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36 | public: |
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37 | // CSingleThreadedApartment |
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38 | CSingleThreadedApartment() throw() |
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39 | { |
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40 | _V(CoInitialize(NULL)); |
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41 | } |
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42 | ~CSingleThreadedApartment() throw() |
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43 | { |
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44 | CoUninitialize(); |
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45 | } |
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46 | }; |
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47 | |
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48 | #if (_WIN32_WINNT >= 0x0400 ) || defined(_WIN32_DCOM) |
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49 | |
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50 | class CMultiThreadedApartment |
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51 | { |
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52 | public: |
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53 | // CMultiThreadedApartment |
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54 | CMultiThreadedApartment() throw() |
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55 | { |
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56 | _V(CoInitializeEx(NULL, COINIT_MULTITHREADED)); |
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57 | } |
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58 | ~CMultiThreadedApartment() throw() |
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59 | { |
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60 | CoUninitialize(); |
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61 | } |
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62 | }; |
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63 | inline BOOL IsSingleThreadedApartment() throw() |
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64 | { |
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65 | const HRESULT nResult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); |
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66 | _A(nResult != S_OK); |
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67 | if(SUCCEEDED(nResult)) |
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68 | CoUninitialize(); |
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69 | return SUCCEEDED(nResult); |
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70 | } |
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71 | inline BOOL IsMultiThreadedApartment() throw() |
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72 | { |
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73 | const HRESULT nResult = CoInitializeEx(NULL, COINIT_MULTITHREADED); |
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74 | if(SUCCEEDED(nResult)) |
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75 | CoUninitialize(); |
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76 | // NOTE: S_OK here means we are on implcit MTA |
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77 | return SUCCEEDED(nResult); |
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78 | } |
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79 | |
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80 | #endif // (_WIN32_WINNT >= 0x0400 ) || defined(_WIN32_DCOM) |
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81 | |
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82 | //////////////////////////////////////////////////////////// |
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83 | // DECLARE_QI_TRACE, DECLARE_REFCOUNT_TRACE |
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84 | |
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85 | #if _TRACE |
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86 | |
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87 | #define DECLARE_QI_TRACE(_Class) \ |
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88 | static HRESULT WINAPI InternalQueryInterface(VOID* pThis, const _ATL_INTMAP_ENTRY* pEntries, REFIID InterfaceIdentifier, void** ppvObject) throw()\ |
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89 | {\ |
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90 | const HRESULT nResult = CComObjectRootBase::InternalQueryInterface(pThis, pEntries, InterfaceIdentifier, ppvObject); \ |
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91 | OLECHAR pszInterfaceIdentifier[64] = { 0 }; \ |
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92 | _V(StringFromGUID2(InterfaceIdentifier, pszInterfaceIdentifier, DIM(pszInterfaceIdentifier))); \ |
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93 | ::CString sInterfaceName; \ |
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94 | if(!_RegKeyHelper::QueryStringValue(HKEY_CLASSES_ROOT, AtlFormatString(_T("Interface\\%ls"), pszInterfaceIdentifier), NULL, sInterfaceName)) \ |
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95 | sInterfaceName = ::CString(pszInterfaceIdentifier); \ |
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96 | ATLTRACE(atlTraceQI, SUCCEEDED(nResult) ? 4 : 3, _T("0x%p, Interface %s, Result 0x%08X\n"), pThis, sInterfaceName, nResult); \ |
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97 | return nResult;\ |
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98 | } |
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99 | |
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100 | #define DECLARE_REFCOUNT_TRACE(_Class) \ |
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101 | ULONG InternalAddRef() throw() \ |
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102 | { \ |
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103 | ULONG nCount = CComObjectRootEx<_ThreadModel>::InternalAddRef(); \ |
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104 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p, %d (+1) references\n"), _FILE, _LINE, _FUNCTION, this, nCount); \ |
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105 | return nCount; \ |
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106 | } \ |
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107 | ULONG InternalRelease() throw() \ |
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108 | { \ |
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109 | ULONG nCount = CComObjectRootEx<_ThreadModel>::InternalRelease(); \ |
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110 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p, %d (-1) references\n"), _FILE, _LINE, _FUNCTION, this, nCount); \ |
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111 | return nCount; \ |
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112 | } |
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113 | |
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114 | #else |
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115 | |
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116 | #define DECLARE_QI_TRACE(_Class) |
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117 | #define DECLARE_REFCOUNT_TRACE(_Class) |
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118 | |
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119 | #endif // _TRACE |
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120 | |
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121 | //////////////////////////////////////////////////////////// |
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122 | // CObjectPtrT, CObjectPtr, CWeakObjectPtr |
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123 | |
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124 | template <typename _Object, BOOL t_bStrong = TRUE, template <typename _Class> class _ComObject = CComObject> |
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125 | class CObjectPtrT |
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126 | { |
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127 | public: |
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128 | _ComObject<_Object>* m_pObject; |
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129 | |
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130 | VOID Assign(_Object* pValue) throw() |
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131 | { |
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132 | Attach(pValue); |
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133 | if(t_bStrong) |
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134 | if(m_pObject) |
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135 | m_pObject->AddRef(); |
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136 | } |
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137 | |
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138 | public: |
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139 | // CObjectPtrT |
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140 | CObjectPtrT() throw() : |
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141 | m_pObject(NULL) |
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142 | { |
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143 | } |
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144 | CObjectPtrT(const CObjectPtrT& pValue) throw() : |
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145 | m_pObject(NULL) |
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146 | { |
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147 | *this = pValue; |
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148 | } |
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149 | template <BOOL t_bValueStrong> |
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150 | CObjectPtrT(const CObjectPtrT<_Object, t_bValueStrong>& pValue) throw() : |
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151 | m_pObject(NULL) |
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152 | { |
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153 | *this = pValue; |
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154 | } |
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155 | CObjectPtrT(_Object* pValue) throw() : |
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156 | m_pObject(NULL) |
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157 | { |
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158 | *this = pValue; |
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159 | } |
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160 | ~CObjectPtrT() throw() |
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161 | { |
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162 | Attach(NULL); |
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163 | } |
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164 | operator _Object* () const throw() |
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165 | { |
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166 | return m_pObject; |
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167 | } |
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168 | CObjectPtrT& operator = (const CObjectPtrT& pValue) throw() |
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169 | { |
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170 | Assign(pValue.m_pObject); |
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171 | return *this; |
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172 | } |
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173 | template <BOOL t_bValueStrong> |
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174 | CObjectPtrT& operator = (const CObjectPtrT<_Object, t_bValueStrong>& pValue) throw() |
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175 | { |
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176 | Assign(pValue.m_pObject); |
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177 | return *this; |
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178 | } |
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179 | CObjectPtrT& operator = (_Object* pValue) throw() |
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180 | { |
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181 | Assign(pValue); |
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182 | return *this; |
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183 | } |
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184 | _Object** operator & () throw() |
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185 | { |
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186 | ATLASSERT(!m_pObject); |
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187 | return (_Object**) &m_pObject; |
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188 | } |
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189 | _Object* operator -> () const throw() |
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190 | { |
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191 | ATLASSERT(m_pObject); |
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192 | return m_pObject; |
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193 | } |
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194 | BOOL operator == (const CObjectPtrT& pValue) const throw() |
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195 | { |
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196 | return m_pObject == pValue.m_pObject; |
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197 | } |
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198 | template <BOOL t_bValueStrong> |
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199 | BOOL operator == (const CObjectPtrT<_Object, t_bValueStrong>& pValue) const throw() |
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200 | { |
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201 | return m_pObject == pValue.m_pObject; |
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202 | } |
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203 | BOOL operator == (_Object* pValue) const throw() |
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204 | { |
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205 | return m_pObject == pValue; |
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206 | } |
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207 | BOOL operator != (const CObjectPtrT& pValue) const throw() |
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208 | { |
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209 | return !(*this == pValue); |
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210 | } |
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211 | template <BOOL t_bValueStrong> |
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212 | BOOL operator != (const CObjectPtrT<_Object, t_bValueStrong>& pValue) const throw() |
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213 | { |
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214 | return !(*this == pValue); |
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215 | } |
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216 | BOOL operator != (_Object* pValue) const throw() |
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217 | { |
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218 | return !(*this == pValue); |
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219 | } |
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220 | _Object* Attach(_Object* pObject) throw() |
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221 | { |
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222 | if(t_bStrong) |
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223 | if(m_pObject) |
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224 | m_pObject->Release(); |
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225 | m_pObject = static_cast<_ComObject<_Object>*>(pObject); |
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226 | return pObject; |
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227 | } |
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228 | _Object* Detach() throw() |
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229 | { |
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230 | _Object* pObject = m_pObject; |
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231 | m_pObject = NULL; |
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232 | return pObject; |
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233 | } |
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234 | VOID Swap(_Object** ppObject) throw() |
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235 | { |
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236 | ATLASSERT(ppObject); |
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237 | _Object* pObject = m_pObject; |
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238 | m_pObject = static_cast<_ComObject<_Object>*>(*ppObject); |
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239 | *ppObject = pObject; |
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240 | } |
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241 | template <BOOL t_bStrong> |
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242 | VOID Swap(CObjectPtrT<_Object, t_bStrong>& pObject) throw() |
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243 | { |
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244 | Swap((_Object**) &pObject.m_pObject); |
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245 | } |
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246 | CObjectPtrT& Construct() |
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247 | { |
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248 | ATLASSERT(!m_pObject); |
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249 | ATLCHECK(_ComObject<_Object>::CreateInstance(&m_pObject)); |
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250 | ATLASSERT(m_pObject); |
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251 | m_pObject->m_dwRef++; |
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252 | return *this; |
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253 | } |
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254 | VOID Release() throw() |
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255 | { |
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256 | Attach(NULL); |
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257 | } |
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258 | }; |
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259 | |
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260 | template <typename _Object> |
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261 | class CObjectPtr : |
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262 | public CObjectPtrT<_Object, TRUE> |
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263 | { |
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264 | public: |
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265 | // CObjectPtr |
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266 | CObjectPtr() throw() |
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267 | { |
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268 | } |
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269 | CObjectPtr(const CObjectPtr& pValue) throw() : |
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270 | CObjectPtrT<_Object, TRUE>(pValue) |
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271 | { |
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272 | } |
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273 | template <BOOL t_bValueStrong> |
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274 | CObjectPtr(const CObjectPtrT<_Object, t_bValueStrong>& pValue) throw() : |
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275 | CObjectPtrT<_Object, TRUE>(pValue) |
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276 | { |
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277 | } |
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278 | CObjectPtr(_Object* pValue) throw() : |
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279 | CObjectPtrT<_Object, TRUE>(pValue) |
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280 | { |
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281 | } |
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282 | CObjectPtr& operator = (const CObjectPtr& pValue) throw() |
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283 | { |
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284 | __super::operator = (pValue); |
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285 | return *this; |
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286 | } |
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287 | template <BOOL t_bValueStrong> |
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288 | CObjectPtr& operator = (const CObjectPtrT<_Object, t_bValueStrong>& pValue) throw() |
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289 | { |
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290 | __super::operator = (pValue); |
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291 | return *this; |
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292 | } |
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293 | CObjectPtr& operator = (_Object* pValue) throw() |
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294 | { |
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295 | __super::operator = (pValue); |
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296 | return *this; |
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297 | } |
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298 | }; |
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299 | |
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300 | template <typename _Object> |
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301 | class CWeakObjectPtr : |
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302 | public CObjectPtrT<_Object, FALSE> |
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303 | { |
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304 | public: |
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305 | // CWeakObjectPtr |
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306 | CWeakObjectPtr() throw() |
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307 | { |
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308 | } |
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309 | CWeakObjectPtr(const CWeakObjectPtr& pValue) throw() : |
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310 | CObjectPtrT<_Object, FALSE>(pValue) |
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311 | { |
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312 | } |
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313 | template <BOOL t_bValueStrong> |
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314 | CWeakObjectPtr(const CObjectPtrT<_Object, t_bValueStrong>& pValue) throw() : |
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315 | CObjectPtrT<_Object, FALSE>(pValue) |
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316 | { |
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317 | } |
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318 | CWeakObjectPtr(_Object* pValue) throw() : |
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319 | CObjectPtrT<_Object, FALSE>(pValue) |
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320 | { |
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321 | } |
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322 | CWeakObjectPtr& operator = (const CWeakObjectPtr& pValue) throw() |
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323 | { |
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324 | __super::operator = (pValue); |
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325 | return *this; |
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326 | } |
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327 | template <BOOL t_bValueStrong> |
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328 | CWeakObjectPtr& operator = (const CObjectPtrT<_Object, t_bValueStrong>& pValue) throw() |
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329 | { |
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330 | __super::operator = (pValue); |
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331 | return *this; |
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332 | } |
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333 | CWeakObjectPtr& operator = (_Object* pValue) throw() |
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334 | { |
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335 | __super::operator = (pValue); |
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336 | return *this; |
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337 | } |
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338 | }; |
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339 | |
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340 | //////////////////////////////////////////////////////////// |
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341 | // CCachedObjectPtr |
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342 | |
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343 | template <typename _Object> |
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344 | class CCachedObjectPtr : |
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345 | public CObjectPtrT<_Object, TRUE, CComObjectCached> |
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346 | { |
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347 | public: |
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348 | // CCachedHolder |
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349 | CCachedObjectPtr() throw() |
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350 | { |
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351 | } |
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352 | CCachedObjectPtr(_Object* pObject) throw() : |
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353 | CObjectPtrT<_Object, TRUE, CComObjectCached>(pObject) |
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354 | { |
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355 | } |
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356 | }; |
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357 | |
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358 | //////////////////////////////////////////////////////////// |
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359 | // CLocalObjectPtr |
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360 | |
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361 | template <typename _Object> |
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362 | class CLocalObjectPtr |
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363 | { |
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364 | public: |
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365 | CComObject<_Object> m_Instance; |
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366 | |
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367 | public: |
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368 | // CObjectPtrT |
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369 | CLocalObjectPtr() throw() |
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370 | { |
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371 | m_Instance.SetVoid(NULL); |
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372 | m_Instance.InternalFinalConstructAddRef(); |
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373 | #if _MSC_VER >= 1400 |
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374 | ATLVERIFY(SUCCEEDED(m_Instance._AtlInitialConstruct())); |
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375 | #endif // _MSC_VER >= 1400 |
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376 | ATLVERIFY(SUCCEEDED(m_Instance.FinalConstruct())); |
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377 | ATLVERIFY(SUCCEEDED(m_Instance._AtlFinalConstruct())); |
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378 | m_Instance.InternalFinalConstructRelease(); |
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379 | m_Instance.InternalAddRef(); |
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380 | } |
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381 | ~CLocalObjectPtr() throw() |
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382 | { |
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383 | } |
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384 | operator const _Object* () const throw() |
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385 | { |
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386 | return &m_Instance; |
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387 | } |
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388 | operator _Object* () throw() |
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389 | { |
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390 | return &m_Instance; |
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391 | } |
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392 | _Object* operator -> () throw() |
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393 | { |
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394 | return &m_Instance; |
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395 | } |
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396 | }; |
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397 | |
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398 | //////////////////////////////////////////////////////////// |
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399 | // CCrossThreadPtr |
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400 | |
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401 | template <typename _Interface, const IID* t_pInterfaceIdentifier = &__uuidof(_Interface)> |
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402 | class CCrossThreadPtr |
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403 | { |
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404 | public: |
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405 | mutable CComAutoCriticalSection m_DataCriticalSection; |
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406 | IStream* m_pStream; |
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407 | |
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408 | public: |
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409 | CCrossThreadPtr() throw() : |
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410 | m_pStream(NULL) |
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411 | { |
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412 | } |
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413 | ~CCrossThreadPtr() throw() |
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414 | { |
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415 | _ATLTRY |
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416 | { |
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417 | Detach(); |
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418 | } |
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419 | _ATLCATCHALL() |
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420 | { |
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421 | _Z_EXCEPTION(); |
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422 | } |
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423 | } |
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424 | VOID Attach(_Interface* pObject) |
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425 | { |
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426 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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427 | Detach(); |
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428 | if(pObject) |
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429 | __C(CoMarshalInterThreadInterfaceInStream(*t_pInterfaceIdentifier, pObject, &m_pStream)); |
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430 | } |
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431 | CComPtr<_Interface> Detach() |
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432 | { |
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433 | CComPtr<_Interface> pObject; |
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434 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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435 | if(m_pStream) |
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436 | { |
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437 | __C(CoGetInterfaceAndReleaseStream(m_pStream, *t_pInterfaceIdentifier, (VOID**) &pObject)); |
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438 | m_pStream = NULL; |
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439 | } |
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440 | return pObject; |
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441 | } |
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442 | operator BOOL () const throw() |
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443 | { |
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444 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
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445 | return (m_pStream != NULL); |
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446 | } |
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447 | VOID operator = (_Interface* pObject) |
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448 | { |
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449 | Attach(pObject); |
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450 | } |
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451 | }; |
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452 | |
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453 | //////////////////////////////////////////////////////////// |
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454 | // CConnectionPointConnectionT, CConnectionPointConnection |
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455 | |
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456 | template <const IID* t_pInterfaceIdentifier> |
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457 | class CConnectionPointConnectionT |
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458 | { |
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459 | private: |
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460 | BOOL m_bAdvised; |
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461 | CComPtr<IConnectionPointContainer> m_pConnectionPointContainer; |
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462 | DWORD m_nCookie; |
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463 | |
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464 | public: |
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465 | // CConnectionPointConnectionT |
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466 | CConnectionPointConnectionT() throw() : |
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467 | m_bAdvised(FALSE) |
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468 | { |
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469 | } |
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470 | ~CConnectionPointConnectionT() throw() |
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471 | { |
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472 | if(m_bAdvised) |
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473 | Unadvise(); |
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474 | } |
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475 | BOOL IsAdvised() const throw() |
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476 | { |
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477 | return m_bAdvised; |
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478 | } |
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479 | const CComPtr<IConnectionPointContainer>& GetConnectionPointContainer() const throw() |
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480 | { |
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481 | return m_pConnectionPointContainer; |
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482 | } |
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483 | VOID Advise(IConnectionPointContainer* pConnectionPointContainer, IUnknown* pSink) |
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484 | { |
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485 | _A(!m_bAdvised); |
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486 | __D(pConnectionPointContainer, E_NOINTERFACE); |
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487 | __C(AtlAdvise(pConnectionPointContainer, pSink, *t_pInterfaceIdentifier, &m_nCookie)); |
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488 | m_bAdvised = TRUE; |
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489 | m_pConnectionPointContainer = pConnectionPointContainer; |
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490 | } |
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491 | VOID Advise(IUnknown* pConnectionPointContainerUnknown, IUnknown* pSink) |
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492 | { |
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493 | Advise(CComQIPtr<IConnectionPointContainer>(pConnectionPointContainerUnknown), pSink); |
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494 | } |
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495 | BOOL Unadvise() throw() |
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496 | { |
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497 | if(!m_bAdvised) |
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498 | return FALSE; |
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499 | HRESULT nResult = AtlUnadvise(m_pConnectionPointContainer, *t_pInterfaceIdentifier, m_nCookie); |
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500 | if(FAILED(nResult)) |
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501 | ATLTRACE(atlTraceCOM, 2, _T("Failed to unadvise connection point, nResult 0x%08X\n"), nResult); |
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502 | m_bAdvised = FALSE; |
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503 | m_pConnectionPointContainer = NULL; |
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504 | return TRUE; |
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505 | } |
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506 | CConnectionPointConnectionT& operator = (CConnectionPointConnectionT& ConnectionPointConnection) throw() |
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507 | { |
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508 | // NOTE: Transfer connection |
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509 | Unadvise(); |
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510 | m_bAdvised = ConnectionPointConnection.m_bAdvised; |
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511 | m_pConnectionPointContainer = ConnectionPointConnection.m_pConnectionPointContainer; |
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512 | m_nCookie = ConnectionPointConnection.m_nCookie; |
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513 | ConnectionPointConnection.m_bAdvised = FALSE; |
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514 | ConnectionPointConnection.m_pConnectionPointContainer = NULL; |
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515 | return *this; |
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516 | } |
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517 | }; |
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518 | |
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519 | //////////////////////////////////////////////////////////// |
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520 | // _ComDynamicUnkArrayHelper |
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521 | |
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522 | class _ComDynamicUnkArrayHelper |
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523 | { |
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524 | public: |
---|
525 | template <typename _IConnectionPointImpl> |
---|
526 | static VOID Fix(_IConnectionPointImpl* pInstance, UINT nSize = _DEFAULT_VECTORLENGTH) |
---|
527 | { |
---|
528 | _A(pInstance->m_vec.GetSize() == 0); |
---|
529 | DWORD nCookie1 = pInstance->m_vec.Add((IUnknown*) 1); |
---|
530 | DWORD nCookie2 = pInstance->m_vec.Add((IUnknown*) 2); |
---|
531 | _A(nCookie1 && nCookie2); |
---|
532 | _W(pInstance->m_vec.Remove(nCookie2)); |
---|
533 | _W(pInstance->m_vec.Remove(nCookie1)); |
---|
534 | _A(pInstance->m_vec.GetSize() == _DEFAULT_VECTORLENGTH); |
---|
535 | } |
---|
536 | }; |
---|
537 | |
---|
538 | #define FIX_CONNECTIONPOINT(Class, Interface) _ComDynamicUnkArrayHelper::Fix((IConnectionPointImpl<Class, &Interface>*) this) |
---|
539 | |
---|
540 | //////////////////////////////////////////////////////////// |
---|
541 | // CActiveObjectT, CFakeActiveObjectHandler, CDefaultActiveObjectHandler, CRunningObjectActiveObjectHandler |
---|
542 | |
---|
543 | class CFakeActiveObjectHandler |
---|
544 | { |
---|
545 | public: |
---|
546 | // CFakeActiveObjectHandler |
---|
547 | static DWORD RegisterActiveObject(IUnknown* pUnknown, REFCLSID ClassIdentifier, DWORD nFlags) throw() |
---|
548 | { |
---|
549 | pUnknown; |
---|
550 | ClassIdentifier; |
---|
551 | nFlags; |
---|
552 | return 1; |
---|
553 | } |
---|
554 | static VOID RevokeActiveObject(DWORD nCookie) throw() |
---|
555 | { |
---|
556 | ATLASSERT(nCookie == 1); |
---|
557 | } |
---|
558 | }; |
---|
559 | |
---|
560 | class CDefaultActiveObjectHandler |
---|
561 | { |
---|
562 | public: |
---|
563 | // CDefaultActiveObjectHandler |
---|
564 | static DWORD RegisterActiveObject(IUnknown* pUnknown, REFCLSID ClassIdentifier, DWORD nFlags) |
---|
565 | { |
---|
566 | DWORD nCookie; |
---|
567 | ATLCHECK(::RegisterActiveObject(pUnknown, ClassIdentifier, nFlags, &nCookie)); |
---|
568 | return nCookie; |
---|
569 | } |
---|
570 | static VOID RevokeActiveObject(DWORD nCookie) |
---|
571 | { |
---|
572 | ATLCHECK(::RevokeActiveObject(nCookie, NULL)); |
---|
573 | } |
---|
574 | }; |
---|
575 | |
---|
576 | class CRunningObjectActiveObjectHandler |
---|
577 | { |
---|
578 | public: |
---|
579 | // CRunningObjectActiveObjectHandler |
---|
580 | static CStringW StringFromIdentifier(const GUID& Identifier) |
---|
581 | { |
---|
582 | WCHAR pszIdentifierString[64] = { 0 }; |
---|
583 | ATLVERIFY(StringFromGUID2(Identifier, pszIdentifierString, _countof(pszIdentifierString))); |
---|
584 | return pszIdentifierString; |
---|
585 | } |
---|
586 | static DWORD RegisterActiveObject(IUnknown* pUnknown, REFCLSID ClassIdentifier, DWORD nFlags) |
---|
587 | { |
---|
588 | // NOTE: Direct registration into ROT allows us to specify ROTFLAGS_ALLOWANYCLIENT flag and |
---|
589 | // allow interaction between server *service* and client application |
---|
590 | ATLASSERT(nFlags == ACTIVEOBJECT_STRONG); |
---|
591 | CComPtr<IRunningObjectTable> pRunningObjectTable; |
---|
592 | ATLCHECK(GetRunningObjectTable(0, &pRunningObjectTable)); |
---|
593 | CComPtr<IMoniker> pMoniker; |
---|
594 | ATLCHECK(CreateItemMoniker(OLESTR("!"), StringFromIdentifier(ClassIdentifier), &pMoniker)); |
---|
595 | DWORD nCookie; |
---|
596 | ATLCHECK(pRunningObjectTable->Register(ROTFLAGS_REGISTRATIONKEEPSALIVE | ROTFLAGS_ALLOWANYCLIENT, pUnknown, pMoniker, &nCookie)); |
---|
597 | return nCookie; |
---|
598 | } |
---|
599 | static VOID RevokeActiveObject(DWORD nCookie) |
---|
600 | { |
---|
601 | CComPtr<IRunningObjectTable> pRunningObjectTable; |
---|
602 | ATLCHECK(GetRunningObjectTable(0, &pRunningObjectTable)); |
---|
603 | ATLCHECK(pRunningObjectTable->Revoke(nCookie)); |
---|
604 | } |
---|
605 | }; |
---|
606 | |
---|
607 | template <typename _Handler = CRunningObjectActiveObjectHandler> |
---|
608 | class CActiveObjectT : |
---|
609 | protected _Handler |
---|
610 | { |
---|
611 | private: |
---|
612 | DWORD m_nCookie; // Active object identifier |
---|
613 | |
---|
614 | public: |
---|
615 | // CActiveObjectT |
---|
616 | CActiveObjectT() throw() : |
---|
617 | m_nCookie(0) |
---|
618 | { |
---|
619 | } |
---|
620 | ~CActiveObjectT() throw() |
---|
621 | { |
---|
622 | _ATLTRY |
---|
623 | { |
---|
624 | Unregister(); |
---|
625 | } |
---|
626 | _ATLCATCHALL() |
---|
627 | { |
---|
628 | _Z_EXCEPTION(); |
---|
629 | } |
---|
630 | } |
---|
631 | DWORD GetCookie() const throw() |
---|
632 | { |
---|
633 | return m_nCookie; |
---|
634 | } |
---|
635 | VOID Register(IUnknown* pUnknown, const CLSID& ClassIdentifier, DWORD nFlags = ACTIVEOBJECT_STRONG) |
---|
636 | { |
---|
637 | ATLASSERT(m_nCookie == 0); |
---|
638 | m_nCookie = RegisterActiveObject(pUnknown, ClassIdentifier, nFlags); |
---|
639 | ATLASSERT(m_nCookie); |
---|
640 | } |
---|
641 | VOID Unregister() |
---|
642 | { |
---|
643 | if(m_nCookie) |
---|
644 | { |
---|
645 | RevokeActiveObject(m_nCookie); |
---|
646 | m_nCookie = 0; |
---|
647 | } |
---|
648 | } |
---|
649 | }; |
---|
650 | |
---|
651 | typedef CActiveObjectT<> CActiveObject; |
---|
652 | |
---|
653 | //////////////////////////////////////////////////////////// |
---|
654 | // CThreadT |
---|
655 | |
---|
656 | template <typename _Owner> |
---|
657 | class ATL_NO_VTABLE CThreadT : |
---|
658 | public CComObjectRootEx<CComMultiThreadModelNoCS>, |
---|
659 | public IUnknown |
---|
660 | { |
---|
661 | protected: |
---|
662 | typedef CThreadT<_Owner> CThread; |
---|
663 | |
---|
664 | public: |
---|
665 | |
---|
666 | BEGIN_COM_MAP(CThreadT) |
---|
667 | END_COM_MAP() |
---|
668 | |
---|
669 | public: |
---|
670 | typedef DWORD (_Owner::*OWNERTHREADPROC)(CThread* pThread, CEvent& InitializationEvent, CEvent& TerminationEvent); |
---|
671 | |
---|
672 | private: |
---|
673 | _Owner* m_pOwner; |
---|
674 | OWNERTHREADPROC m_pOwnerThreadProc; |
---|
675 | CEvent m_InitializationEvent; |
---|
676 | CEvent m_TerminationEvent; |
---|
677 | CHandle m_ThreadHandle; |
---|
678 | DWORD m_nThreadIdentifier; |
---|
679 | DWORD m_nThreadExitCode; |
---|
680 | |
---|
681 | DWORD ThreadProc() throw() |
---|
682 | { |
---|
683 | DWORD nResult; |
---|
684 | _ATLTRY |
---|
685 | { |
---|
686 | ATLTRACE(atlTraceGeneral, 3, _T("Thread %d (0x%x) has been started\n"), GetCurrentThreadId(), GetCurrentThreadId()); |
---|
687 | ATLASSERT(m_pOwner && m_pOwnerThreadProc); |
---|
688 | nResult = (m_pOwner->*m_pOwnerThreadProc)(this, m_InitializationEvent, m_TerminationEvent); |
---|
689 | ATLTRACE(atlTraceGeneral, 3, _T("Thread %d (0x%x) is being completed with result %d\n"), GetCurrentThreadId(), GetCurrentThreadId(), nResult); |
---|
690 | } |
---|
691 | _ATLCATCH(Exception) |
---|
692 | { |
---|
693 | //_Z_EXCEPTION(); |
---|
694 | ATLTRACE(atlTraceException, 1, _T("An exception 0x%08X has been caught in thread %d\n"), Exception.m_hr, GetCurrentThreadId()); |
---|
695 | nResult = Exception.m_hr; |
---|
696 | } |
---|
697 | _ATLCATCHALL() |
---|
698 | { |
---|
699 | //_Z_EXCEPTION(); |
---|
700 | ATLTRACE(atlTraceException, 1, _T("An exception has been caught in thread %d\n"), GetCurrentThreadId()); |
---|
701 | nResult = E_FAIL; |
---|
702 | } |
---|
703 | return nResult; |
---|
704 | } |
---|
705 | static DWORD WINAPI ThreadProc(CThreadT* pThread) throw() |
---|
706 | { |
---|
707 | return pThread->ThreadProc(); |
---|
708 | } |
---|
709 | |
---|
710 | public: |
---|
711 | // CThreadT |
---|
712 | CThreadT() throw() : |
---|
713 | m_pOwner(NULL), |
---|
714 | m_pOwnerThreadProc(NULL), |
---|
715 | m_InitializationEvent(NULL, TRUE, FALSE, NULL), |
---|
716 | m_TerminationEvent(NULL, TRUE, FALSE, NULL), |
---|
717 | m_nThreadIdentifier(0), |
---|
718 | m_nThreadExitCode(0) |
---|
719 | { |
---|
720 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
---|
721 | } |
---|
722 | ~CThreadT() throw() |
---|
723 | { |
---|
724 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
---|
725 | Terminate(); |
---|
726 | } |
---|
727 | const CHandle& GetHandle() const throw() |
---|
728 | { |
---|
729 | return m_ThreadHandle; |
---|
730 | } |
---|
731 | DWORD GetIdentifier() const throw() |
---|
732 | { |
---|
733 | return m_nThreadIdentifier; |
---|
734 | } |
---|
735 | DWORD GetExitCode() const throw() |
---|
736 | { |
---|
737 | // TODO: An option to wait for exit code |
---|
738 | return m_nThreadExitCode; |
---|
739 | } |
---|
740 | VOID Initialize(_Owner* pOwner, OWNERTHREADPROC pOwnerThreadProc, CEvent** ppInitializationEvent) |
---|
741 | { |
---|
742 | ATLASSERT(!m_pOwner && pOwner); |
---|
743 | ATLASSERT(ppInitializationEvent); |
---|
744 | m_pOwner = pOwner; |
---|
745 | m_pOwnerThreadProc = pOwnerThreadProc; |
---|
746 | m_nThreadExitCode = 0; |
---|
747 | ATLASSERT(WaitForSingleObject(m_TerminationEvent, 0) == WAIT_TIMEOUT); |
---|
748 | m_ThreadHandle.Attach(CreateThreadT<CThreadT>(NULL, 0, ThreadProc, this, CREATE_SUSPENDED, &m_nThreadIdentifier)); |
---|
749 | ATLWINCHECK(m_ThreadHandle); |
---|
750 | ATLASSERT(m_nThreadIdentifier); |
---|
751 | ATLTRACE(atlTraceGeneral, 3, _T("Thread %d (0x%x) has been started from thread %d\n"), m_nThreadIdentifier, m_nThreadIdentifier, GetCurrentThreadId()); |
---|
752 | ResumeThread(m_ThreadHandle); |
---|
753 | *ppInitializationEvent = &m_InitializationEvent; |
---|
754 | } |
---|
755 | BOOL Initialize(_Owner* pOwner, OWNERTHREADPROC pOwnerThreadProc) |
---|
756 | { |
---|
757 | CEvent* pInitializationEvent; |
---|
758 | Initialize(pOwner, pOwnerThreadProc, &pInitializationEvent); |
---|
759 | ATLASSERT(pInitializationEvent == &m_InitializationEvent); |
---|
760 | HANDLE phObjects[] = { m_ThreadHandle, m_InitializationEvent }; |
---|
761 | DWORD nWaitResult = WaitForMultipleObjects(_countof(phObjects), phObjects, FALSE, INFINITE); |
---|
762 | ATLASSERT((nWaitResult - WAIT_OBJECT_0) < _countof(phObjects)); |
---|
763 | if(nWaitResult == WAIT_OBJECT_0 + 0) |
---|
764 | { |
---|
765 | ATLVERIFY(GetExitCodeThread(m_ThreadHandle, &m_nThreadExitCode)); |
---|
766 | m_ThreadHandle.Close(); |
---|
767 | SetLastError(m_nThreadExitCode); |
---|
768 | return FALSE; |
---|
769 | } |
---|
770 | return TRUE; |
---|
771 | } |
---|
772 | BOOL Terminate(ULONG nTimeout = INFINITE, BOOL bForceTermination = TRUE) throw() |
---|
773 | { |
---|
774 | if(!m_ThreadHandle) |
---|
775 | return FALSE; |
---|
776 | ATLTRACE(atlTraceGeneral, 3, _T("Thread %d (0x%x) is being terminated from thread %d, nTimeout %d, bForceTermination %d\n"), m_nThreadIdentifier, m_nThreadIdentifier, GetCurrentThreadId(), nTimeout, bForceTermination); |
---|
777 | ATLVERIFY(m_TerminationEvent.Set()); |
---|
778 | if(GetCurrentThreadId() != m_nThreadIdentifier) |
---|
779 | { |
---|
780 | const DWORD nWaitResult = WaitForSingleObject(m_ThreadHandle, nTimeout); |
---|
781 | ATLTRACE(atlTraceGeneral, 4, _T("m_nThreadIdentifier %d, nWaitResult %d\n"), m_nThreadIdentifier, nWaitResult); |
---|
782 | ATLASSERT(nWaitResult == WAIT_OBJECT_0 || nWaitResult == WAIT_TIMEOUT && nTimeout != INFINITE); |
---|
783 | if(nWaitResult != WAIT_OBJECT_0) |
---|
784 | { |
---|
785 | if(!bForceTermination) |
---|
786 | return FALSE; |
---|
787 | ATLTRACE(atlTraceGeneral, 2, _T("Thread %d (0x%x) is being forcefully terminated from thread %d\n"), m_nThreadIdentifier, m_nThreadIdentifier, GetCurrentThreadId()); |
---|
788 | ATLVERIFY(TerminateThread(m_ThreadHandle, (DWORD) E_FAIL)); |
---|
789 | } |
---|
790 | ATLTRACE(atlTraceGeneral, 3, _T("Thread %d (0x%x) has been terminated from thread %d\n"), m_nThreadIdentifier, m_nThreadIdentifier, GetCurrentThreadId()); |
---|
791 | } else |
---|
792 | ATLTRACE(atlTraceGeneral, 3, _T("Thread %d is self-terminated, no need to synchronize\n"), m_nThreadIdentifier); |
---|
793 | m_ThreadHandle.Close(); |
---|
794 | return TRUE; |
---|
795 | } |
---|
796 | VOID AsynchronousTerminate() throw() |
---|
797 | { |
---|
798 | ATLVERIFY(m_TerminationEvent.Set()); |
---|
799 | } |
---|
800 | }; |
---|
801 | |
---|
802 | //////////////////////////////////////////////////////// |
---|
803 | // CTimedEventDaemon |
---|
804 | |
---|
805 | class ATL_NO_VTABLE CTimedEventDaemon : |
---|
806 | public CComObjectRootEx<CComMultiThreadModelNoCS>, |
---|
807 | public IUnknown |
---|
808 | { |
---|
809 | typedef CThreadT<CTimedEventDaemon> CThread; |
---|
810 | typedef VOID (CALLBACK TIMECALLBACK)(UINT_PTR, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR); |
---|
811 | |
---|
812 | public: |
---|
813 | |
---|
814 | BEGIN_COM_MAP(CTimedEventDaemon) |
---|
815 | END_COM_MAP() |
---|
816 | |
---|
817 | public: |
---|
818 | |
---|
819 | //////////////////////////////////////////////////////// |
---|
820 | // CTimedEvent |
---|
821 | |
---|
822 | class CTimedEvent |
---|
823 | { |
---|
824 | public: |
---|
825 | ULONG m_nDelay; |
---|
826 | ULONG m_nResolution; |
---|
827 | TIMECALLBACK* m_pTimeProc; |
---|
828 | DWORD_PTR m_nUser; |
---|
829 | UINT m_nFlags; |
---|
830 | ULONG m_nTime; |
---|
831 | BOOL m_bShot; |
---|
832 | BOOL m_bActive; |
---|
833 | |
---|
834 | public: |
---|
835 | // CTimedEvent |
---|
836 | CTimedEvent() throw() |
---|
837 | { |
---|
838 | } |
---|
839 | CTimedEvent(ULONG nDelay, ULONG nResolution, TIMECALLBACK* pTimeProc, DWORD_PTR nUser, UINT nFlags) throw() : |
---|
840 | m_nDelay(nDelay), |
---|
841 | m_nResolution(nResolution), |
---|
842 | m_pTimeProc(pTimeProc), |
---|
843 | m_nUser(nUser), |
---|
844 | m_nFlags(nFlags), |
---|
845 | m_nTime(GetTickCount()), |
---|
846 | m_bShot(FALSE), |
---|
847 | m_bActive(FALSE) |
---|
848 | { |
---|
849 | } |
---|
850 | }; |
---|
851 | |
---|
852 | //////////////////////////////////////////////////////// |
---|
853 | // CTimedEventList |
---|
854 | |
---|
855 | class CTimedEventList : |
---|
856 | public CAtlList<CTimedEvent> |
---|
857 | { |
---|
858 | public: |
---|
859 | // CTimedEventList |
---|
860 | BOOL IsValidPosition(POSITION Position) const throw() |
---|
861 | { |
---|
862 | for(POSITION CurrentPosition = GetHeadPosition(); CurrentPosition; GetNext(CurrentPosition)) |
---|
863 | if(CurrentPosition == Position) |
---|
864 | return TRUE; |
---|
865 | return FALSE; |
---|
866 | } |
---|
867 | POSITION GetEarliestActivePosition() const throw() |
---|
868 | { |
---|
869 | POSITION BestPosition = NULL; |
---|
870 | for(POSITION Position = GetHeadPosition(); Position; GetNext(Position)) |
---|
871 | { |
---|
872 | const CTimedEvent& Event = GetAt(Position); |
---|
873 | if(!(Event.m_nFlags & TIME_PERIODIC) && Event.m_bShot) |
---|
874 | continue; // Inactive |
---|
875 | if(BestPosition) |
---|
876 | { |
---|
877 | const CTimedEvent& BestEvent = GetAt(BestPosition); |
---|
878 | if((LONG) ((Event.m_nTime + Event.m_nDelay) - (BestEvent.m_nTime + BestEvent.m_nDelay)) >= 0) |
---|
879 | continue; // Later |
---|
880 | } |
---|
881 | BestPosition = Position; |
---|
882 | } |
---|
883 | return BestPosition; |
---|
884 | } |
---|
885 | }; |
---|
886 | |
---|
887 | private: |
---|
888 | static BOOL g_bDefaultTimedEventDaemonTerminated; |
---|
889 | static CTimedEventDaemon* g_pDefaultTimedEventDaemon; |
---|
890 | #if _DEVELOPMENT |
---|
891 | DWORD m_nSignature; |
---|
892 | #endif // _DEVELOPMENT |
---|
893 | mutable CComAutoCriticalSection m_DataCriticalSection; |
---|
894 | CTimedEventList m_TimedEventList; |
---|
895 | CEvent m_ListChangeEvent; |
---|
896 | #if defined(_WINDLL) |
---|
897 | CEvent m_ThreadPreTerminationEvent; |
---|
898 | #endif // defined(_WINDLL) |
---|
899 | CObjectPtr<CThread> m_pThread; |
---|
900 | CEvent m_IdlenessEvent; |
---|
901 | |
---|
902 | static VOID STDMETHODCALLTYPE DestroyDefaultTimedEventDaemon(DWORD_PTR nParameter) throw() |
---|
903 | { |
---|
904 | _ATLTRY |
---|
905 | { |
---|
906 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
907 | { |
---|
908 | _A(_pAtlModule); |
---|
909 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
910 | g_bDefaultTimedEventDaemonTerminated = TRUE; |
---|
911 | if(g_pDefaultTimedEventDaemon) |
---|
912 | { |
---|
913 | #if defined(_DEBUG) || _TRACE |
---|
914 | // NOTE: Add a lock removed by timeSetEvent |
---|
915 | _pAtlModule->Lock(); |
---|
916 | #endif // defined(_DEBUG) || _TRACE |
---|
917 | pTimedEventDaemon.Swap(&g_pDefaultTimedEventDaemon); |
---|
918 | } |
---|
919 | } |
---|
920 | if(pTimedEventDaemon) |
---|
921 | { |
---|
922 | _A(pTimedEventDaemon == (CTimedEventDaemon*) nParameter); |
---|
923 | pTimedEventDaemon->Terminate(); |
---|
924 | } |
---|
925 | } |
---|
926 | _ATLCATCHALL() |
---|
927 | { |
---|
928 | _Z_EXCEPTION(); |
---|
929 | } |
---|
930 | } |
---|
931 | DWORD ThreadProc(CThread* pThread, CEvent& InitializationEvent, CEvent& TerminationEvent) |
---|
932 | { |
---|
933 | CMultiThreadedApartment Apartment; |
---|
934 | CObjectPtr<CTimedEventDaemon> pThisReference = this; |
---|
935 | #if defined(_WINDLL) |
---|
936 | CObjectPtr<CThread> pThreadReference = pThread; |
---|
937 | #endif // defined(_WINDLL) |
---|
938 | _W(InitializationEvent.Set()); |
---|
939 | const HANDLE phObjects[] = { TerminationEvent, m_ListChangeEvent }; |
---|
940 | for(; ; ) |
---|
941 | { |
---|
942 | const DWORD nWaitResult = WaitForMultipleObjects(DIM(phObjects), phObjects, FALSE, INFINITE); |
---|
943 | ATLTRACE(atlTraceSync, 5, _T("nWaitResult 0x%x\n"), nWaitResult); |
---|
944 | _A((nWaitResult - WAIT_OBJECT_0) < DIM(phObjects)); |
---|
945 | if(nWaitResult != WAIT_OBJECT_0 + 1) // m_ListChangeEvent |
---|
946 | break; |
---|
947 | for(; ; ) |
---|
948 | { |
---|
949 | POSITION CurrentPosition = NULL; |
---|
950 | LONG nDelay = INFINITE; |
---|
951 | { |
---|
952 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
953 | CurrentPosition = m_TimedEventList.GetEarliestActivePosition(); |
---|
954 | _W(m_ListChangeEvent.Reset()); |
---|
955 | ATLTRACE(atlTraceCore, 4, _T("%d timed events on the list\n"), m_TimedEventList.GetCount()); |
---|
956 | if(!CurrentPosition) |
---|
957 | { |
---|
958 | ATLTRACE(atlTraceCore, 4, _T("No more active timed events found\n")); |
---|
959 | break; |
---|
960 | } |
---|
961 | const CTimedEvent& CurrentTimedEvent = m_TimedEventList.GetAt(CurrentPosition); |
---|
962 | nDelay = (LONG) (CurrentTimedEvent.m_nTime + CurrentTimedEvent.m_nDelay) - GetTickCount(); |
---|
963 | } |
---|
964 | const DWORD nWaitResult = (nDelay > 0) ? WaitForMultipleObjects(DIM(phObjects), phObjects, FALSE, nDelay) : WAIT_TIMEOUT; |
---|
965 | ATLTRACE(atlTraceSync, 5, _T("nWaitResult 0x%x\n"), nWaitResult); |
---|
966 | _A((nWaitResult - WAIT_OBJECT_0) < DIM(phObjects) || nWaitResult == WAIT_TIMEOUT); |
---|
967 | if(nWaitResult == WAIT_OBJECT_0 + 0) // Termination |
---|
968 | break; |
---|
969 | if(nWaitResult == WAIT_OBJECT_0 + 1) // m_ListChangeEvent |
---|
970 | { |
---|
971 | ATLTRACE(atlTraceCore, 4, _T("Timed event list changed\n")); |
---|
972 | continue; |
---|
973 | } |
---|
974 | TIMECALLBACK* pTimeProc = NULL; |
---|
975 | DWORD_PTR nUser = 0; |
---|
976 | { |
---|
977 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
978 | if(!m_TimedEventList.IsValidPosition(CurrentPosition)) |
---|
979 | continue; |
---|
980 | ATLTRACE(atlTraceCore, 4, _T("Firing an event, CurrentPosition 0x%08X\n"), CurrentPosition); |
---|
981 | CTimedEvent& CurrentTimedEvent = m_TimedEventList.GetAt(CurrentPosition); |
---|
982 | CurrentTimedEvent.m_nTime = GetTickCount(); |
---|
983 | CurrentTimedEvent.m_bShot = TRUE; |
---|
984 | CurrentTimedEvent.m_bActive = TRUE; |
---|
985 | pTimeProc = CurrentTimedEvent.m_pTimeProc; |
---|
986 | nUser = CurrentTimedEvent.m_nUser; |
---|
987 | _W(m_IdlenessEvent.Reset()); |
---|
988 | } |
---|
989 | if(pTimeProc) |
---|
990 | _ATLTRY |
---|
991 | { |
---|
992 | (*pTimeProc)((UINT) (UINT_PTR) CurrentPosition, 0, nUser, 0, 0); |
---|
993 | } |
---|
994 | _ATLCATCHALL() |
---|
995 | { |
---|
996 | _Z_EXCEPTION(); |
---|
997 | } |
---|
998 | _W(m_IdlenessEvent.Set()); |
---|
999 | { |
---|
1000 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1001 | if(m_TimedEventList.IsValidPosition(CurrentPosition)) |
---|
1002 | m_TimedEventList.GetAt(CurrentPosition).m_bActive = FALSE; |
---|
1003 | } |
---|
1004 | } |
---|
1005 | } |
---|
1006 | #if defined(_WINDLL) |
---|
1007 | _W(m_ThreadPreTerminationEvent.Set()); |
---|
1008 | pThreadReference.Release(); |
---|
1009 | #endif // defined(_WINDLL) |
---|
1010 | pThisReference.Release(); |
---|
1011 | return 0; |
---|
1012 | } |
---|
1013 | |
---|
1014 | public: |
---|
1015 | // CTimedEventDaemon |
---|
1016 | static CObjectPtr<CTimedEventDaemon> GetDefaultTimedEventDaemon() throw() |
---|
1017 | { |
---|
1018 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
1019 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
1020 | if(!g_bDefaultTimedEventDaemonTerminated) |
---|
1021 | { |
---|
1022 | if(!g_pDefaultTimedEventDaemon) |
---|
1023 | { |
---|
1024 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
1025 | _ATLTRY |
---|
1026 | { |
---|
1027 | pTimedEventDaemon.Construct()->Initialize(); |
---|
1028 | _pAtlModule->AddTermFunc(DestroyDefaultTimedEventDaemon, (DWORD_PTR) (CTimedEventDaemon*) pTimedEventDaemon); |
---|
1029 | g_pDefaultTimedEventDaemon = pTimedEventDaemon.Detach(); |
---|
1030 | #if defined(_DEBUG) || _TRACE |
---|
1031 | // NOTE: Exclude object's module lock so that it does not affect termination lock count report |
---|
1032 | _pAtlModule->Unlock(); |
---|
1033 | #endif // defined(_DEBUG) || _TRACE |
---|
1034 | } |
---|
1035 | _ATLCATCHALL() |
---|
1036 | { |
---|
1037 | _Z_EXCEPTION(); |
---|
1038 | } |
---|
1039 | } |
---|
1040 | pTimedEventDaemon = g_pDefaultTimedEventDaemon; |
---|
1041 | } |
---|
1042 | return pTimedEventDaemon; |
---|
1043 | } |
---|
1044 | CTimedEventDaemon() throw() : |
---|
1045 | m_ListChangeEvent(TRUE, FALSE), |
---|
1046 | m_IdlenessEvent(TRUE, TRUE) |
---|
1047 | { |
---|
1048 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
---|
1049 | #if _DEVELOPMENT |
---|
1050 | // WARN: CTimedEventDaemon has unresolved problems with late termination, so |
---|
1051 | // we mark used memory block to distinguish in head trace |
---|
1052 | m_nSignature = 0x89674523; |
---|
1053 | #endif // _DEVELOPMENT |
---|
1054 | } |
---|
1055 | ~CTimedEventDaemon() throw() |
---|
1056 | { |
---|
1057 | ATLTRACE(atlTraceRefcount, 4, _T("this 0x%p\n"), this); |
---|
1058 | _A(!m_pThread); |
---|
1059 | } |
---|
1060 | VOID Initialize() |
---|
1061 | { |
---|
1062 | #if defined(_WINDLL) |
---|
1063 | _A(!m_ThreadPreTerminationEvent); |
---|
1064 | __E(m_ThreadPreTerminationEvent.Create(NULL, TRUE, FALSE, NULL)); |
---|
1065 | #endif // defined(_WINDLL) |
---|
1066 | _A(!m_pThread); |
---|
1067 | __E(m_pThread.Construct()->Initialize(this, &CTimedEventDaemon::ThreadProc)); |
---|
1068 | } |
---|
1069 | VOID Terminate() throw() |
---|
1070 | { |
---|
1071 | CObjectPtr<CThread> pThread; |
---|
1072 | { |
---|
1073 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1074 | m_pThread.Swap(pThread); |
---|
1075 | } |
---|
1076 | if(pThread) |
---|
1077 | { |
---|
1078 | #if defined(_WINDLL) |
---|
1079 | _A(m_ThreadPreTerminationEvent); |
---|
1080 | CEvent ThreadPreTerminationEvent; |
---|
1081 | if(DuplicateHandle(GetCurrentProcess(), m_ThreadPreTerminationEvent, GetCurrentProcess(), &ThreadPreTerminationEvent.m_h, 0, FALSE, DUPLICATE_SAME_ACCESS)) |
---|
1082 | { |
---|
1083 | CEvent Thread; |
---|
1084 | _W(DuplicateHandle(GetCurrentProcess(), pThread->GetHandle(), GetCurrentProcess(), &Thread.m_h, 0, FALSE, DUPLICATE_SAME_ACCESS)); |
---|
1085 | pThread->AsynchronousTerminate(); |
---|
1086 | pThread.Release(); |
---|
1087 | const HANDLE phObjects[] = { ThreadPreTerminationEvent, Thread }; |
---|
1088 | const DWORD nWaitResult = WaitForMultipleObjects(DIM(phObjects), phObjects, FALSE, INFINITE); |
---|
1089 | _Z5(atlTraceSync, 5, _T("nWaitResult 0x%x\n"), nWaitResult); |
---|
1090 | _A(nWaitResult - WAIT_OBJECT_0 < DIM(phObjects)); |
---|
1091 | return; |
---|
1092 | } |
---|
1093 | #endif // !defined(_WINDLL) |
---|
1094 | pThread->Terminate(); |
---|
1095 | } |
---|
1096 | } |
---|
1097 | HRESULT SetEvent(ULONG nDelay, ULONG nResolution, TIMECALLBACK* pTimeProc, DWORD_PTR nUser, UINT nFlags, UINT_PTR* pnEvent) throw() |
---|
1098 | { |
---|
1099 | _ATLTRY |
---|
1100 | { |
---|
1101 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1102 | const POSITION Position = m_TimedEventList.AddTail(CTimedEvent(nDelay, nResolution, pTimeProc, nUser, nFlags)); |
---|
1103 | _A(Position); |
---|
1104 | _W(m_ListChangeEvent.Set()); |
---|
1105 | _A(pnEvent); |
---|
1106 | *pnEvent = (UINT_PTR) Position; |
---|
1107 | ATLTRACE(atlTraceCore, 4, _T("An event has been set, Position 0x%08X, nDelay %d, nFlags 0x%x, %d events on the list\n"), Position, nDelay, nFlags, m_TimedEventList.GetCount()); |
---|
1108 | } |
---|
1109 | _ATLCATCH(Exception) |
---|
1110 | { |
---|
1111 | _C(Exception.m_hr); |
---|
1112 | } |
---|
1113 | return S_OK; |
---|
1114 | } |
---|
1115 | HRESULT KillEvent(UINT_PTR nEvent) throw() |
---|
1116 | { |
---|
1117 | BOOL bConcurrentlyActive = FALSE; |
---|
1118 | { |
---|
1119 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1120 | const POSITION Position = (POSITION) nEvent; |
---|
1121 | ATLTRACE(atlTraceCore, 4, _T("An event is being killed, Position 0x%08X\n"), Position); |
---|
1122 | _D(m_TimedEventList.IsValidPosition(Position), E_INVALIDARG); |
---|
1123 | if(m_TimedEventList.GetAt(Position).m_bActive) |
---|
1124 | if(m_pThread && m_pThread->GetIdentifier() != GetCurrentThreadId()) |
---|
1125 | bConcurrentlyActive = TRUE; |
---|
1126 | m_TimedEventList.RemoveAt(Position); |
---|
1127 | _W(m_ListChangeEvent.Set()); |
---|
1128 | ATLTRACE(atlTraceCore, 4, _T("An event has been killed, Position 0x%08X, %d more events on the list\n"), Position, m_TimedEventList.GetCount()); |
---|
1129 | } |
---|
1130 | if(bConcurrentlyActive) |
---|
1131 | { |
---|
1132 | static const DWORD g_nTimeout = 5000; |
---|
1133 | DWORD nWaitResult = WaitForSingleObject(m_IdlenessEvent, g_nTimeout); |
---|
1134 | _A(nWaitResult == WAIT_OBJECT_0 || nWaitResult == WAIT_TIMEOUT); |
---|
1135 | if(nWaitResult != WAIT_OBJECT_0) |
---|
1136 | ATLTRACE(atlTraceGeneral, 2, _T("Worker thread failed to get idle within reasonable time, nWaitResult %d\n"), nWaitResult); |
---|
1137 | } |
---|
1138 | return S_OK; |
---|
1139 | } |
---|
1140 | |
---|
1141 | // Standard API substitution |
---|
1142 | static MMRESULT timeSetEvent(UINT nDelay, UINT nResolution, TIMECALLBACK* pTimeProc, DWORD_PTR nUser, UINT nFlags) throw() |
---|
1143 | { |
---|
1144 | _A(nFlags == (TIME_CALLBACK_FUNCTION | TIME_PERIODIC) || nFlags == (TIME_CALLBACK_FUNCTION | TIME_ONESHOT)); |
---|
1145 | UINT_PTR nEvent = 0; |
---|
1146 | if(_pAtlModule && _pAtlModule->cbSize) |
---|
1147 | { |
---|
1148 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon = GetDefaultTimedEventDaemon(); |
---|
1149 | if(pTimedEventDaemon) |
---|
1150 | _V(pTimedEventDaemon->SetEvent(nDelay, nResolution, pTimeProc, nUser, nFlags, &nEvent)); |
---|
1151 | } |
---|
1152 | return (MMRESULT) nEvent; |
---|
1153 | } |
---|
1154 | static MMRESULT timeKillEvent(UINT uEvent) throw() |
---|
1155 | { |
---|
1156 | MMRESULT nResult = MMSYSERR_INVALPARAM; |
---|
1157 | if(_pAtlModule && _pAtlModule->cbSize) |
---|
1158 | { |
---|
1159 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
1160 | { |
---|
1161 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
1162 | pTimedEventDaemon = g_pDefaultTimedEventDaemon; |
---|
1163 | } |
---|
1164 | if(pTimedEventDaemon) |
---|
1165 | if(SUCCEEDED(pTimedEventDaemon->KillEvent((UINT_PTR) uEvent))) |
---|
1166 | nResult = MMSYSERR_NOERROR; |
---|
1167 | } |
---|
1168 | return nResult; |
---|
1169 | } |
---|
1170 | }; |
---|
1171 | |
---|
1172 | __declspec(selectany) BOOL CTimedEventDaemon::g_bDefaultTimedEventDaemonTerminated = FALSE; |
---|
1173 | __declspec(selectany) CTimedEventDaemon* CTimedEventDaemon::g_pDefaultTimedEventDaemon = NULL; |
---|
1174 | |
---|
1175 | //////////////////////////////////////////////////////////// |
---|
1176 | // CTimedEventT, CSimpleTimedEventT |
---|
1177 | |
---|
1178 | template <typename T, typename _Owner, typename _OwnerPtr = _Owner*, typename _Parameter = INT_PTR> |
---|
1179 | class CTimedEventT |
---|
1180 | { |
---|
1181 | protected: |
---|
1182 | typedef CTimedEventT<T, _Owner, _OwnerPtr, _Parameter> CTimedEvent; |
---|
1183 | typedef VOID (_Owner::*HANDLER)(T*); |
---|
1184 | |
---|
1185 | public: |
---|
1186 | mutable CComAutoCriticalSection m_DataCriticalSection; |
---|
1187 | CObjectPtr<CTimedEventDaemon> m_pTimedEventDaemon; |
---|
1188 | UINT_PTR m_nEvent; |
---|
1189 | _OwnerPtr m_pOwner; |
---|
1190 | _Parameter m_Parameter; |
---|
1191 | HANDLER m_pHandler; |
---|
1192 | CEvent m_IdlenessEvent; |
---|
1193 | |
---|
1194 | VOID TimedEventProc(UINT_PTR nEvent) |
---|
1195 | { |
---|
1196 | _OwnerPtr pOwner = NULL; |
---|
1197 | _Parameter Parameter; |
---|
1198 | HANDLER pHandler; |
---|
1199 | { |
---|
1200 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1201 | if(m_nEvent == nEvent) |
---|
1202 | { |
---|
1203 | pOwner = m_pOwner; |
---|
1204 | Parameter = m_Parameter; |
---|
1205 | pHandler = m_pHandler; |
---|
1206 | _A(pOwner && pHandler); |
---|
1207 | } |
---|
1208 | } |
---|
1209 | if(pOwner) |
---|
1210 | { |
---|
1211 | // NOTE: Since the object may get destroyed insde callback, we duplicate handle required to be set |
---|
1212 | CEvent IdlenessEvent; |
---|
1213 | _W(DuplicateHandle(GetCurrentProcess(), m_IdlenessEvent, GetCurrentProcess(), &IdlenessEvent.m_h, 0, FALSE, DUPLICATE_SAME_ACCESS)); |
---|
1214 | _W(IdlenessEvent.Reset()); |
---|
1215 | (pOwner->*pHandler)(static_cast<T*>(this)); |
---|
1216 | _W(IdlenessEvent.Set()); |
---|
1217 | } |
---|
1218 | } |
---|
1219 | static VOID CALLBACK TimedEventProc(UINT_PTR nEvent, UINT, DWORD_PTR nUser, DWORD_PTR, DWORD_PTR) throw() |
---|
1220 | { |
---|
1221 | _ATLTRY |
---|
1222 | { |
---|
1223 | ((CTimedEventT*) nUser)->TimedEventProc((UINT_PTR) nEvent); |
---|
1224 | } |
---|
1225 | _ATLCATCHALL() |
---|
1226 | { |
---|
1227 | _Z_EXCEPTION(); |
---|
1228 | } |
---|
1229 | } |
---|
1230 | |
---|
1231 | public: |
---|
1232 | // CTimedEventT |
---|
1233 | CTimedEventT() throw() : |
---|
1234 | m_nEvent(0), |
---|
1235 | m_IdlenessEvent(TRUE, TRUE) |
---|
1236 | { |
---|
1237 | #if defined(_DEBUG) |
---|
1238 | m_pOwner = NULL; |
---|
1239 | m_pHandler = NULL; |
---|
1240 | #endif // defined(_DEBUG) |
---|
1241 | } |
---|
1242 | ~CTimedEventT() throw() |
---|
1243 | { |
---|
1244 | Destroy(); |
---|
1245 | static const DWORD g_nTimeout = 5 * 1000; |
---|
1246 | const DWORD nWaitResult = WaitForSingleObject(m_IdlenessEvent, g_nTimeout); |
---|
1247 | ATLTRACE(atlTraceSync, 5, _T("nWaitResult 0x%x\n"), nWaitResult); |
---|
1248 | _A(nWaitResult == WAIT_OBJECT_0 || nWaitResult == WAIT_TIMEOUT); |
---|
1249 | if(nWaitResult != WAIT_OBJECT_0) |
---|
1250 | ATLTRACE(atlTraceGeneral, 2, _T("Worker thread failed to get idle within reasonable time, nWaitResult %d\n"), nWaitResult); |
---|
1251 | } |
---|
1252 | VOID Initialize(CTimedEventDaemon* pTimedEventDaemon) throw() |
---|
1253 | { |
---|
1254 | _A(pTimedEventDaemon); |
---|
1255 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1256 | _A(!m_pTimedEventDaemon || m_pTimedEventDaemon == pTimedEventDaemon); |
---|
1257 | m_pTimedEventDaemon = pTimedEventDaemon; |
---|
1258 | } |
---|
1259 | const _Parameter& GetParameter() const throw() |
---|
1260 | { |
---|
1261 | return m_Parameter; |
---|
1262 | } |
---|
1263 | VOID SetParameter(_Parameter Parameter) throw() |
---|
1264 | { |
---|
1265 | m_Parameter = Parameter; |
---|
1266 | } |
---|
1267 | UINT_PTR GetEvent() const throw() |
---|
1268 | { |
---|
1269 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1270 | return m_nEvent; |
---|
1271 | } |
---|
1272 | BOOL IsActive() const throw() |
---|
1273 | { |
---|
1274 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1275 | return m_nEvent != 0; |
---|
1276 | } |
---|
1277 | VOID Create(_Owner* pOwner, HANDLER pHandler, ULONG nDelay, ULONG nResolution, BOOL bPeriodic) |
---|
1278 | { |
---|
1279 | _A(pOwner && pHandler); |
---|
1280 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
1281 | UINT_PTR nPreviousEvent; |
---|
1282 | { |
---|
1283 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1284 | if(m_pTimedEventDaemon) |
---|
1285 | { |
---|
1286 | pTimedEventDaemon = m_pTimedEventDaemon; |
---|
1287 | nPreviousEvent = m_nEvent; |
---|
1288 | UINT_PTR nEvent; |
---|
1289 | __C(m_pTimedEventDaemon->SetEvent(nDelay, nResolution, TimedEventProc, (DWORD_PTR) this, (bPeriodic ? TIME_PERIODIC : TIME_ONESHOT), &nEvent)); |
---|
1290 | m_nEvent = nEvent; |
---|
1291 | m_pOwner = pOwner; |
---|
1292 | m_pHandler = pHandler; |
---|
1293 | } |
---|
1294 | } |
---|
1295 | if(pTimedEventDaemon && nPreviousEvent) |
---|
1296 | _V(pTimedEventDaemon->KillEvent(nPreviousEvent)); |
---|
1297 | } |
---|
1298 | VOID CreateOneshot(_Owner* pOwner, HANDLER pHandler, ULONG nDelay, ULONG nResolution = 0) |
---|
1299 | { |
---|
1300 | return Create(pOwner, pHandler, nDelay, nResolution, FALSE); |
---|
1301 | } |
---|
1302 | VOID CreatePeriodic(_Owner* pOwner, HANDLER pHandler, ULONG nDelay, ULONG nResolution = 0) |
---|
1303 | { |
---|
1304 | return Create(pOwner, pHandler, nDelay, nResolution, TRUE); |
---|
1305 | } |
---|
1306 | VOID Destroy() throw() |
---|
1307 | { |
---|
1308 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
1309 | UINT_PTR nEvent; |
---|
1310 | { |
---|
1311 | CComCritSecLock<CComAutoCriticalSection> DataLock(m_DataCriticalSection); |
---|
1312 | _A(m_pTimedEventDaemon); |
---|
1313 | pTimedEventDaemon = m_pTimedEventDaemon; |
---|
1314 | nEvent = m_nEvent; |
---|
1315 | m_nEvent = 0; |
---|
1316 | m_pOwner = NULL; |
---|
1317 | m_pHandler = NULL; |
---|
1318 | } |
---|
1319 | if(pTimedEventDaemon && nEvent) |
---|
1320 | _V(pTimedEventDaemon->KillEvent(nEvent)); |
---|
1321 | } |
---|
1322 | }; |
---|
1323 | |
---|
1324 | template <typename _Owner, typename _OwnerPtr = _Owner*, typename _Parameter = INT_PTR> |
---|
1325 | class CSimpleTimedEventT : |
---|
1326 | public CTimedEventT<CSimpleTimedEventT<_Owner, _OwnerPtr, _Parameter>, _Owner, _OwnerPtr, _Parameter> |
---|
1327 | { |
---|
1328 | protected: |
---|
1329 | typedef CSimpleTimedEventT<_Owner, _OwnerPtr, _Parameter> CSimpleTimedEvent; |
---|
1330 | |
---|
1331 | public: |
---|
1332 | // CSimpleTimedEventT |
---|
1333 | CSimpleTimedEventT() throw() |
---|
1334 | { |
---|
1335 | __super::Initialize(CTimedEventDaemon::GetDefaultTimedEventDaemon()); |
---|
1336 | } |
---|
1337 | }; |
---|
1338 | |
---|
1339 | //////////////////////////////////////////////////////////// |
---|
1340 | // CDebugTimeCheck, CDebugTimeCheck |
---|
1341 | |
---|
1342 | #if defined(_M_IX86) && (defined(_DEBUG) || _TRACE) |
---|
1343 | |
---|
1344 | class CDebugTimeCheck |
---|
1345 | { |
---|
1346 | public: |
---|
1347 | |
---|
1348 | //////////////////////////////////////////////////////// |
---|
1349 | // CCheck |
---|
1350 | |
---|
1351 | class ATL_NO_VTABLE CCheck : |
---|
1352 | public CComObjectRootEx<CComMultiThreadModelNoCS>, |
---|
1353 | public IUnknown |
---|
1354 | { |
---|
1355 | typedef CSimpleTimedEventT<CCheck, CObjectPtr<CCheck> > CTimedEvent; |
---|
1356 | |
---|
1357 | public: |
---|
1358 | |
---|
1359 | BEGIN_COM_MAP(CCheck) |
---|
1360 | END_COM_MAP() |
---|
1361 | |
---|
1362 | private: |
---|
1363 | DWORD m_nThreadIdentifier; |
---|
1364 | CString m_sDescription; |
---|
1365 | CInterlockedT<BOOL> m_bTerminated; |
---|
1366 | CTimedEvent m_TimeoutEvent; |
---|
1367 | ULONG m_nEventTimeout; |
---|
1368 | ULONG m_nCheckTimeout; |
---|
1369 | |
---|
1370 | VOID TraceTimeout(CTimedEvent*) |
---|
1371 | { |
---|
1372 | _A(_pAtlModule); |
---|
1373 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
1374 | if(m_bTerminated) |
---|
1375 | return; |
---|
1376 | m_nCheckTimeout += m_nEventTimeout; |
---|
1377 | ATLTRACE(atlTraceGeneral, 2, _T("Timeout %d ms in thread %d, m_sDescription \"%s\"\n"), m_nCheckTimeout, m_nThreadIdentifier, m_sDescription); |
---|
1378 | if(m_nCheckTimeout == 3 * m_nEventTimeout) |
---|
1379 | _ATLTRY |
---|
1380 | { |
---|
1381 | CDebugTraceCallStack::TraceCallStack(m_nThreadIdentifier); |
---|
1382 | // NOTE: An exception would possibly trigger an external debugger event |
---|
1383 | AtlThrow(HRESULT_FROM_WIN32(ERROR_TIMEOUT)); |
---|
1384 | } |
---|
1385 | _ATLCATCHALL() |
---|
1386 | { |
---|
1387 | _Z_EXCEPTION(); |
---|
1388 | } |
---|
1389 | } |
---|
1390 | |
---|
1391 | public: |
---|
1392 | // CCheck |
---|
1393 | CCheck() throw() : |
---|
1394 | m_nThreadIdentifier(0) |
---|
1395 | { |
---|
1396 | ATLTRACE(atlTraceRefcount, 5, _T("this 0x%p\n"), this); |
---|
1397 | } |
---|
1398 | ~CCheck() throw() |
---|
1399 | { |
---|
1400 | ATLTRACE(atlTraceRefcount, 5, _T("this 0x%p\n"), this); |
---|
1401 | _A(!m_TimeoutEvent.IsActive()); |
---|
1402 | } |
---|
1403 | VOID Initialize(const CString& sDescription, ULONG nTimeout) |
---|
1404 | { |
---|
1405 | _A(!m_TimeoutEvent.IsActive()); |
---|
1406 | m_nThreadIdentifier = GetCurrentThreadId(); |
---|
1407 | m_sDescription = sDescription; |
---|
1408 | m_bTerminated = FALSE; |
---|
1409 | m_nEventTimeout = nTimeout; |
---|
1410 | m_nCheckTimeout = 0; |
---|
1411 | m_TimeoutEvent.CreatePeriodic(this, &CDebugTimeCheck::CCheck::TraceTimeout, nTimeout); |
---|
1412 | } |
---|
1413 | VOID Terminate() |
---|
1414 | { |
---|
1415 | m_bTerminated = TRUE; |
---|
1416 | _A(_pAtlModule); |
---|
1417 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
1418 | m_TimeoutEvent.Destroy(); |
---|
1419 | } |
---|
1420 | }; |
---|
1421 | |
---|
1422 | private: |
---|
1423 | CObjectPtr<CCheck> m_pCheck; |
---|
1424 | |
---|
1425 | public: |
---|
1426 | // CDebugTimeCheck |
---|
1427 | static ULONG GetDefaultTimeout() throw() |
---|
1428 | { |
---|
1429 | static const ULONG g_nTimeout = 5000; |
---|
1430 | return g_nTimeout; |
---|
1431 | } |
---|
1432 | CDebugTimeCheck(const CString& sDescription, ULONG nTimeout = GetDefaultTimeout()) |
---|
1433 | { |
---|
1434 | m_pCheck.Construct()->Initialize(sDescription, nTimeout); |
---|
1435 | } |
---|
1436 | CDebugTimeCheck(LPCTSTR pszDescription = NULL, ULONG nTimeout = GetDefaultTimeout()) |
---|
1437 | { |
---|
1438 | m_pCheck.Construct()->Initialize(CString(pszDescription), nTimeout); |
---|
1439 | } |
---|
1440 | ~CDebugTimeCheck() throw() |
---|
1441 | { |
---|
1442 | if(m_pCheck) |
---|
1443 | m_pCheck->Terminate(); |
---|
1444 | } |
---|
1445 | }; |
---|
1446 | |
---|
1447 | #else |
---|
1448 | |
---|
1449 | class CDebugTimeCheck |
---|
1450 | { |
---|
1451 | public: |
---|
1452 | // CDebugTimeCheck |
---|
1453 | CDebugTimeCheck(LPCTSTR = NULL, ULONG = 0) throw() |
---|
1454 | { |
---|
1455 | } |
---|
1456 | }; |
---|
1457 | |
---|
1458 | #endif // defined(_M_IX86) && (defined(_DEBUG) || _TRACE) |
---|
1459 | |
---|
1460 | //////////////////////////////////////////////////////////// |
---|
1461 | // CRoCriticalSections |
---|
1462 | |
---|
1463 | #if defined(_DEBUG) || _TRACE |
---|
1464 | |
---|
1465 | class CRoCriticalSections |
---|
1466 | { |
---|
1467 | private: |
---|
1468 | static CTimedEventDaemon* g_pTimedEventDaemon; |
---|
1469 | |
---|
1470 | static VOID STDMETHODCALLTYPE DestroyTimedEventDaemon(DWORD_PTR nParameter) throw() |
---|
1471 | { |
---|
1472 | _ATLTRY |
---|
1473 | { |
---|
1474 | _A(_pAtlModule); |
---|
1475 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon = g_pTimedEventDaemon; |
---|
1476 | g_pTimedEventDaemon = NULL; |
---|
1477 | _A(pTimedEventDaemon == (CTimedEventDaemon*) nParameter); |
---|
1478 | if(pTimedEventDaemon) |
---|
1479 | { |
---|
1480 | _pAtlModule->Lock(); |
---|
1481 | pTimedEventDaemon->Terminate(); |
---|
1482 | } |
---|
1483 | } |
---|
1484 | _ATLCATCHALL() |
---|
1485 | { |
---|
1486 | _Z_EXCEPTION(); |
---|
1487 | } |
---|
1488 | } |
---|
1489 | |
---|
1490 | public: |
---|
1491 | // CRoCriticalSections |
---|
1492 | static CObjectPtr<CTimedEventDaemon> GetTimedEventDaemon() |
---|
1493 | { |
---|
1494 | _A(_pAtlModule); |
---|
1495 | _A(_pAtlModule->cbSize); |
---|
1496 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
1497 | if(!g_pTimedEventDaemon) |
---|
1498 | { |
---|
1499 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon; |
---|
1500 | pTimedEventDaemon.Construct()->Initialize(); |
---|
1501 | _pAtlModule->Unlock(); |
---|
1502 | _pAtlModule->AddTermFunc(DestroyTimedEventDaemon, (DWORD_PTR) (CTimedEventDaemon*) pTimedEventDaemon); |
---|
1503 | g_pTimedEventDaemon = pTimedEventDaemon.Detach(); |
---|
1504 | } |
---|
1505 | return g_pTimedEventDaemon; |
---|
1506 | } |
---|
1507 | static CObjectPtr<CTimedEventDaemon> GetCurrentTimedEventDaemon() throw() |
---|
1508 | { |
---|
1509 | _A(_pAtlModule); |
---|
1510 | _A(_pAtlModule->cbSize); |
---|
1511 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
1512 | return g_pTimedEventDaemon; |
---|
1513 | } |
---|
1514 | static UINT_PTR SetEvent(UINT nDelay, UINT nResolution, VOID (CALLBACK *pTimeProc)(UINT_PTR, UINT, DWORD_PTR, DWORD_PTR, DWORD_PTR), DWORD_PTR nUser, UINT nFlags) throw() |
---|
1515 | { |
---|
1516 | UINT_PTR nEvent = 0; |
---|
1517 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon = g_pTimedEventDaemon; |
---|
1518 | if(pTimedEventDaemon) |
---|
1519 | _V(pTimedEventDaemon->SetEvent(nDelay, nResolution, pTimeProc, nUser, nFlags, &nEvent)); |
---|
1520 | return nEvent; |
---|
1521 | } |
---|
1522 | static VOID KillEvent(UINT_PTR nEvent) throw() |
---|
1523 | { |
---|
1524 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon = g_pTimedEventDaemon; |
---|
1525 | if(pTimedEventDaemon) |
---|
1526 | _V(pTimedEventDaemon->KillEvent(nEvent)); |
---|
1527 | } |
---|
1528 | }; |
---|
1529 | |
---|
1530 | __declspec(selectany) CTimedEventDaemon* CRoCriticalSections::g_pTimedEventDaemon = NULL; |
---|
1531 | |
---|
1532 | #endif // defined(_DEBUG) || _TRACE |
---|
1533 | |
---|
1534 | //////////////////////////////////////////////////////////// |
---|
1535 | // CRoCriticalSection, CRoCriticalSectionLock |
---|
1536 | |
---|
1537 | #if defined(_M_IX86) && (defined(_DEBUG) || _TRACE) |
---|
1538 | |
---|
1539 | #pragma warning(disable: 4748) // warning C4748: /GS can not protect parameters and local variables from local buffer overrun because optimizations are disabled in function |
---|
1540 | #pragma optimize("", off) |
---|
1541 | |
---|
1542 | class CRoCriticalSection : |
---|
1543 | public CComAutoCriticalSection |
---|
1544 | { |
---|
1545 | public: |
---|
1546 | |
---|
1547 | //////////////////////////////////////////////////////// |
---|
1548 | // CLockContext |
---|
1549 | |
---|
1550 | class CLockContext |
---|
1551 | { |
---|
1552 | public: |
---|
1553 | CRoCriticalSection& m_CriticalSection; |
---|
1554 | DWORD m_nThreadIdentifier; |
---|
1555 | CONTEXT& m_ThreadContext; |
---|
1556 | ULONG m_nTimeout; |
---|
1557 | ULONG m_nTimeoutTime; |
---|
1558 | |
---|
1559 | public: |
---|
1560 | // CLockContext |
---|
1561 | CLockContext(CRoCriticalSection* pCriticalSection, CONTEXT& ThreadContext, ULONG nTimeout) throw() : |
---|
1562 | m_CriticalSection(*pCriticalSection), |
---|
1563 | m_nThreadIdentifier(GetCurrentThreadId()), |
---|
1564 | m_ThreadContext(ThreadContext), |
---|
1565 | m_nTimeout(nTimeout), |
---|
1566 | m_nTimeoutTime(0) |
---|
1567 | { |
---|
1568 | } |
---|
1569 | }; |
---|
1570 | |
---|
1571 | private: |
---|
1572 | static CTlsIndex g_nContextTlsIndex; |
---|
1573 | static CComAutoCriticalSection g_CriticalSection; |
---|
1574 | DWORD m_nLockThreadIdentifier; |
---|
1575 | CONTEXT m_LockThreadContext; |
---|
1576 | |
---|
1577 | VOID LockTimeout(CLockContext& LockContext) |
---|
1578 | { |
---|
1579 | LockContext.m_nTimeoutTime += LockContext.m_nTimeout; |
---|
1580 | CComCritSecLock<CComAutoCriticalSection> GlobalLock(g_CriticalSection); |
---|
1581 | ATLCORETRACE1(atlTraceGeneral, 1, _T("Critical section 0x%08X deadlock suspicion: locked in thread %d, trying to lock in thread %d, timeout %d ms\n"), this, m_nLockThreadIdentifier, LockContext.m_nThreadIdentifier, LockContext.m_nTimeoutTime); |
---|
1582 | const UINT nTimeoutCount = LockContext.m_nTimeoutTime / LockContext.m_nTimeout; |
---|
1583 | if(nTimeoutCount % 64 == 3) |
---|
1584 | { |
---|
1585 | DWORD nLockThreadIdentifier = m_nLockThreadIdentifier; |
---|
1586 | CONTEXT LockedThreadContext = m_LockThreadContext; |
---|
1587 | CONTEXT LockingThreadContext = LockContext.m_ThreadContext; |
---|
1588 | CComCritSecLock<CComAutoCriticalSection> Lock(CDebugSymbols::GetGlobalCriticalSection()); |
---|
1589 | ATLCORETRACE3(LockedThreadContext)(atlTraceGeneral, 2, _T("Thread %d locked the critical section 0x%08X, lock time call stack follows:\n"), nLockThreadIdentifier, this); |
---|
1590 | CDebugTraceCallStack::TraceCallStack(LockedThreadContext, 15, NULL); |
---|
1591 | ATLCORETRACE1(atlTraceGeneral, 2, _T("Thread %d current stack follows:\n"), nLockThreadIdentifier, this); |
---|
1592 | CDebugTraceCallStack::TraceCallStack(nLockThreadIdentifier, 15); |
---|
1593 | ATLCORETRACE3(LockingThreadContext)(atlTraceGeneral, 2, _T("Thread %d is trying to lock the critical section 0x%08X, call stack follows:\n"), LockContext.m_nThreadIdentifier, this); |
---|
1594 | CDebugTraceCallStack::TraceCallStack(LockingThreadContext, 15, NULL); |
---|
1595 | #pragma region MiniDump |
---|
1596 | #if !defined(_WIN64) |
---|
1597 | #if !defined(_DEBUG) && defined(_TRACE) && _TRACE |
---|
1598 | if(nTimeoutCount == 3) |
---|
1599 | { |
---|
1600 | typedef HRESULT (STDAPICALLTYPE *WRITEMINIDUMP)(); |
---|
1601 | WRITEMINIDUMP pWriteMiniDump = (WRITEMINIDUMP) GetProcAddress(_AtlBaseModule.GetModuleInstance(), "WriteMiniDump"); |
---|
1602 | if(pWriteMiniDump) |
---|
1603 | { |
---|
1604 | TCHAR pszRunDllPath[MAX_PATH] = { 0 }; |
---|
1605 | ATLVERIFY(GetSystemDirectory(pszRunDllPath, DIM(pszRunDllPath))); |
---|
1606 | Combine(pszRunDllPath, pszRunDllPath, _T("rundll32.exe")); |
---|
1607 | TCHAR pszModuleName[MAX_PATH] = { 0 }; |
---|
1608 | ATLVERIFY(GetModuleFileName(_AtlBaseModule.GetModuleInstance(), pszModuleName, DIM(pszModuleName))); |
---|
1609 | CRoArrayT<CString> Array; |
---|
1610 | _W(Array.Add(AtlFormatString(_T("%d"), GetCurrentProcessId())) >= 0); |
---|
1611 | TCHAR pszProcessModulePath[MAX_PATH] = { 0 }, pszModulePath[MAX_PATH] = { 0 }; |
---|
1612 | _W(GetModuleFileName(NULL, pszProcessModulePath, DIM(pszProcessModulePath))); |
---|
1613 | _W(GetModuleFileName(_AtlBaseModule.GetModuleInstance(), pszModulePath, DIM(pszModulePath))); |
---|
1614 | _W(Array.Add(pszProcessModulePath) >= 0); |
---|
1615 | _W(Array.Add(pszModulePath) >= 0); |
---|
1616 | _W(Array.Add(_T("Deadlock")) >= 0); |
---|
1617 | STARTUPINFO StartupInformation; |
---|
1618 | ZeroMemory(&StartupInformation, sizeof StartupInformation); |
---|
1619 | StartupInformation.cb = sizeof StartupInformation; |
---|
1620 | PROCESS_INFORMATION ProcessInformation; |
---|
1621 | if(CreateProcess(NULL, const_cast<LPTSTR>((LPCTSTR) AtlFormatString(_T("\"%s\" \"%s\",WriteMiniDump %s"), pszRunDllPath, pszModuleName, _StringHelper::GetCommaSeparatedValue(Array))), NULL, NULL, FALSE, 0, NULL, NULL, &StartupInformation, &ProcessInformation)) |
---|
1622 | { |
---|
1623 | reinterpret_cast<CHandle&>(ProcessInformation.hProcess).Close(); |
---|
1624 | reinterpret_cast<CHandle&>(ProcessInformation.hThread).Close(); |
---|
1625 | } else |
---|
1626 | ATLCORETRACE3(LockedThreadContext)(atlTraceGeneral, 2, _T("Failed to CreateProcess: 0x%08X\n"), nLockThreadIdentifier, AtlHresultFromLastError()); |
---|
1627 | } |
---|
1628 | } |
---|
1629 | #endif // !defined(_DEBUG) && defined(_TRACE) && _TRACE |
---|
1630 | #endif // defined(_WIN64) |
---|
1631 | #pragma endregion |
---|
1632 | #if defined(_DEBUG) |
---|
1633 | _CrtDbgBreak(); // Break into debugger to investigate the issue |
---|
1634 | #endif // defined(_DEBUG) |
---|
1635 | } |
---|
1636 | } |
---|
1637 | static VOID CALLBACK LockTimeout(UINT_PTR nEvent, UINT, DWORD_PTR nParameter, DWORD_PTR, DWORD_PTR) throw() |
---|
1638 | { |
---|
1639 | CLockContext* pLockContext = (CLockContext*) nParameter; |
---|
1640 | _A(pLockContext); |
---|
1641 | _ATLTRY |
---|
1642 | { |
---|
1643 | pLockContext->m_CriticalSection.LockTimeout(*pLockContext); |
---|
1644 | } |
---|
1645 | _ATLCATCHALL() |
---|
1646 | { |
---|
1647 | _Z_EXCEPTION(); |
---|
1648 | } |
---|
1649 | } |
---|
1650 | CRoCriticalSection(const CRoCriticalSection&); |
---|
1651 | CRoCriticalSection& operator = (const CRoCriticalSection&); |
---|
1652 | |
---|
1653 | public: |
---|
1654 | // CRoCriticalSection |
---|
1655 | CRoCriticalSection() throw() |
---|
1656 | { |
---|
1657 | m_nLockThreadIdentifier = 0; |
---|
1658 | ZeroMemory(&m_LockThreadContext, sizeof m_LockThreadContext); |
---|
1659 | } |
---|
1660 | ~CRoCriticalSection() throw() |
---|
1661 | { |
---|
1662 | _A(m_sec.LockCount < 0); |
---|
1663 | } |
---|
1664 | HRESULT Lock() throw() |
---|
1665 | { |
---|
1666 | _ATLTRY |
---|
1667 | { |
---|
1668 | CONTEXT ThreadContext = { CONTEXT_FULL }; |
---|
1669 | if(!GetCurrentThreadContext(&ThreadContext)) |
---|
1670 | ThreadContext.ContextFlags = 0; |
---|
1671 | CObjectPtr<CTimedEventDaemon> pTimedEventDaemon = CRoCriticalSections::GetTimedEventDaemon(); |
---|
1672 | static const ULONG g_nTimeout = 5 * 1000; // 5 seconds |
---|
1673 | CLockContext LockContext(this, ThreadContext, g_nTimeout); |
---|
1674 | UINT_PTR nEvent; |
---|
1675 | __C(pTimedEventDaemon->SetEvent(g_nTimeout, 0, LockTimeout, (DWORD_PTR) &LockContext, TIME_PERIODIC, &nEvent)); |
---|
1676 | if(!VerifyCriticalSectionLocked(*this)) |
---|
1677 | { |
---|
1678 | // for(SIZE_T nInnerIndex = 0; nInnerIndex < m_Section.m_InnerCriticalSectionArray.GetCount(); nInnerIndex++) |
---|
1679 | // __A(m_Section.m_InnerCriticalSectionArray[nInnerIndex]->VerifyNotLocked()); |
---|
1680 | } |
---|
1681 | __C(__super::Lock()); |
---|
1682 | __C(pTimedEventDaemon->KillEvent(nEvent)); |
---|
1683 | const CInterlockedT<LONG>& nRecursionCount = reinterpret_cast<CInterlockedT<LONG>&>(m_sec.RecursionCount); |
---|
1684 | if(nRecursionCount == (LONG) 1) // First lock |
---|
1685 | { |
---|
1686 | // NOTE: Stack walk out to step out of this function and lock helper class method |
---|
1687 | // Number of required step out steps depends on compiler settings and |
---|
1688 | // is 3 for debug builds to step out of this function, lock helper Lock and constructor |
---|
1689 | // and is 1 for release builds with inline any suitable option |
---|
1690 | CDebugSymbols::GlobalStackWalk(NULL, ThreadContext); |
---|
1691 | #if defined(_DEBUG) |
---|
1692 | CDebugSymbols::GlobalStackWalk(NULL, ThreadContext); |
---|
1693 | CDebugSymbols::GlobalStackWalk(NULL, ThreadContext); |
---|
1694 | #endif // defined(_DEBUG) |
---|
1695 | CComCritSecLock<CComAutoCriticalSection> GlobalLock(g_CriticalSection); |
---|
1696 | m_nLockThreadIdentifier = GetCurrentThreadId(); |
---|
1697 | m_LockThreadContext = ThreadContext; |
---|
1698 | } |
---|
1699 | if(LockContext.m_nTimeoutTime) |
---|
1700 | ATLCORETRACE1(atlTraceGeneral, 2, _T("Critical section 0x%08X deadlock suspicion: entered in thread %d after timeout %d ms\n"), this, GetCurrentThreadId(), LockContext.m_nTimeoutTime); |
---|
1701 | } |
---|
1702 | _ATLCATCH(Exception) |
---|
1703 | { |
---|
1704 | _Z_ATLEXCEPTION(Exception); |
---|
1705 | return Exception; |
---|
1706 | } |
---|
1707 | return S_OK; |
---|
1708 | } |
---|
1709 | HRESULT Unlock() throw() |
---|
1710 | { |
---|
1711 | { |
---|
1712 | CComCritSecLock<CComAutoCriticalSection> GlobalLock(g_CriticalSection); |
---|
1713 | _A(VerifyCriticalSectionLocked(*this)); |
---|
1714 | const CInterlockedT<LONG>& nRecursionCount = reinterpret_cast<CInterlockedT<LONG>&>(m_sec.RecursionCount); |
---|
1715 | if(nRecursionCount == (LONG) 1) // Last lock |
---|
1716 | { |
---|
1717 | m_nLockThreadIdentifier = 0; |
---|
1718 | ZeroMemory(&m_LockThreadContext, sizeof m_LockThreadContext); |
---|
1719 | } |
---|
1720 | } |
---|
1721 | return __super::Unlock(); |
---|
1722 | } |
---|
1723 | VOID AddInnerCriticalSection(CRoCriticalSection& Section) |
---|
1724 | { |
---|
1725 | // TODO: CRoCriticalSection::AddInnerCriticalSection |
---|
1726 | } |
---|
1727 | }; |
---|
1728 | |
---|
1729 | __declspec(selectany) CComAutoCriticalSection CRoCriticalSection::g_CriticalSection; |
---|
1730 | |
---|
1731 | #if !defined(_WIN64) && defined(_WINDLL) |
---|
1732 | #if !defined(_DEBUG) && defined(_TRACE) && _TRACE |
---|
1733 | |
---|
1734 | #define AVAILABILITY_INTERNALWRITEMINIDUMP |
---|
1735 | |
---|
1736 | //#pragma comment(linker, "/EXPORT:WriteMiniDump=_WriteMiniDump@16,PRIVATE") |
---|
1737 | |
---|
1738 | //extern "C" // __declspec(dllexport) |
---|
1739 | ATLINLINE HRESULT STDMETHODCALLTYPE InternalWriteMiniDump(HWND hParentWindow, HINSTANCE hInstance, LPSTR pszCommandLine, INT nShowCommand) throw() |
---|
1740 | { |
---|
1741 | _ATLTRY |
---|
1742 | { |
---|
1743 | hParentWindow; hInstance; nShowCommand; |
---|
1744 | //MessageBox(GetActiveWindow(), AtlFormatString(_T("pszCommandLine \"%hs\""), pszCommandLine), _T("Debug"), MB_ICONWARNING | MB_OK); |
---|
1745 | CRoArrayT<CString> Array; |
---|
1746 | _StringHelper::GetCommaSeparatedItems(CA2CT(pszCommandLine), Array); |
---|
1747 | __D(Array.GetCount() >= 4, E_UNNAMED); |
---|
1748 | INT nProcessIdentifier; |
---|
1749 | __D(StrToIntEx(Array[0], STIF_SUPPORT_HEX, &nProcessIdentifier), E_UNNAMED); |
---|
1750 | CHandle Process; |
---|
1751 | Process.Attach(OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, nProcessIdentifier)); |
---|
1752 | __E(Process); |
---|
1753 | TCHAR pszDirectory[MAX_PATH] = { 0 }; |
---|
1754 | if(GetOsVersion() >= 0x00060000) |
---|
1755 | { |
---|
1756 | _W(SHGetSpecialFolderPath(NULL, pszDirectory, CSIDL_COMMON_APPDATA, TRUE)); |
---|
1757 | } else |
---|
1758 | { |
---|
1759 | _W(GetWindowsDirectory(pszDirectory, _countof(pszDirectory))); |
---|
1760 | _W(PathStripToRoot(pszDirectory)); |
---|
1761 | } |
---|
1762 | CPath sPath; |
---|
1763 | sPath.Combine(pszDirectory, AtlFormatString(_T("%s-%d-%s-%s-%d.dmp"), |
---|
1764 | FindFileName(Array[1]), // Process Host Module Path |
---|
1765 | nProcessIdentifier, |
---|
1766 | FindFileName(Array[2]), // Module Path |
---|
1767 | FindFileName(Array[3]), // Comment |
---|
1768 | GetCurrentProcessId(), |
---|
1769 | 0)); |
---|
1770 | CAtlFile File; |
---|
1771 | __C(File.Create(sPath, GENERIC_WRITE, FILE_SHARE_READ, CREATE_ALWAYS)); |
---|
1772 | MINIDUMP_TYPE Type = MiniDumpNormal; |
---|
1773 | #if defined(REGISTRY_ROOT) |
---|
1774 | DWORD nType = (DWORD) Type; |
---|
1775 | if(_RegKeyHelper::QueryIntegerValueEx(HKEY_CURRENT_USER, REGISTRY_ROOT _T("\\Debug"), _T("MiniDump Type"), nType) || |
---|
1776 | _RegKeyHelper::QueryIntegerValueEx(HKEY_LOCAL_MACHINE, REGISTRY_ROOT _T("\\Debug"), _T("MiniDump Type"), nType)) |
---|
1777 | Type = (MINIDUMP_TYPE) nType; |
---|
1778 | #endif // defined(REGISTRY_ROOT) |
---|
1779 | __E(MiniDumpWriteDump(Process, nProcessIdentifier, File, Type, NULL, NULL, NULL)); |
---|
1780 | } |
---|
1781 | _ATLCATCH(Exception) |
---|
1782 | { |
---|
1783 | _C(Exception); |
---|
1784 | } |
---|
1785 | return S_OK; |
---|
1786 | } |
---|
1787 | |
---|
1788 | #endif // !defined(_DEBUG) && defined(_TRACE) && _TRACE |
---|
1789 | #endif // !defined(_WIN64) && defined(_WINDLL) |
---|
1790 | |
---|
1791 | template <typename _CriticalSection> |
---|
1792 | inline DWORD WINAPI DeadlockCriticalSectionThreadProcT(VOID* pvParameter) throw() |
---|
1793 | { |
---|
1794 | _CriticalSection& CriticalSection = *(reinterpret_cast<_CriticalSection*>(pvParameter)); |
---|
1795 | CComCritSecLock<_CriticalSection> Lock(CriticalSection); |
---|
1796 | _A(FALSE); |
---|
1797 | return 0; |
---|
1798 | } |
---|
1799 | |
---|
1800 | template <typename _CriticalSection> |
---|
1801 | inline VOID DeadlockCriticalSectionT(_CriticalSection& CriticalSection) throw() |
---|
1802 | { |
---|
1803 | CComCritSecLock<_CriticalSection> Lock(CriticalSection); |
---|
1804 | DWORD nThreadIdentifier = 0; |
---|
1805 | CHandle ThreadHandle(CreateThreadT<_CriticalSection>(NULL, 0, DeadlockCriticalSectionThreadProcT<_CriticalSection>, &CriticalSection, 0, &nThreadIdentifier)); |
---|
1806 | ATLTRACE(atlTraceGeneral, 1, _T("Deadlocked in threads %d and %d (spawned)\n"), GetCurrentThreadId(), nThreadIdentifier); |
---|
1807 | WaitForSingleObject(ThreadHandle, INFINITE); |
---|
1808 | _A(FALSE); |
---|
1809 | } |
---|
1810 | |
---|
1811 | #pragma optimize("", on) |
---|
1812 | #pragma warning(default: 4748) |
---|
1813 | |
---|
1814 | #else |
---|
1815 | |
---|
1816 | typedef CComAutoCriticalSection CRoCriticalSection; |
---|
1817 | |
---|
1818 | #endif // defined(_M_IX86) && (defined(_DEBUG) || _TRACE) |
---|
1819 | |
---|
1820 | typedef CComAutoCriticalSection CRoLightCriticalSection; |
---|
1821 | |
---|
1822 | #if TRUE |
---|
1823 | |
---|
1824 | template <typename _CriticalSection> |
---|
1825 | class CRoCriticalSectionLockT |
---|
1826 | { |
---|
1827 | private: |
---|
1828 | _CriticalSection& m_CriticalSection; |
---|
1829 | BOOL m_bLocked; |
---|
1830 | |
---|
1831 | CRoCriticalSectionLockT(const CRoCriticalSectionLockT&) throw(); |
---|
1832 | CRoCriticalSectionLockT& operator = (const CRoCriticalSectionLockT&) throw(); |
---|
1833 | |
---|
1834 | public: |
---|
1835 | // CRoCriticalSectionLockT |
---|
1836 | CRoCriticalSectionLockT(_CriticalSection& CriticalSection, BOOL bInitialLock = TRUE) throw() : |
---|
1837 | m_CriticalSection(CriticalSection), |
---|
1838 | m_bLocked(FALSE) |
---|
1839 | { |
---|
1840 | if(bInitialLock) |
---|
1841 | Lock(); |
---|
1842 | } |
---|
1843 | ~CRoCriticalSectionLockT() throw() |
---|
1844 | { |
---|
1845 | if(m_bLocked) |
---|
1846 | Unlock(); |
---|
1847 | } |
---|
1848 | VOID Lock() throw() |
---|
1849 | { |
---|
1850 | _A(!m_bLocked); |
---|
1851 | _V(m_CriticalSection.Lock()); |
---|
1852 | m_bLocked = TRUE; |
---|
1853 | } |
---|
1854 | #if _WIN32_WINNT >= 0x0400 |
---|
1855 | BOOL TryLock() throw() |
---|
1856 | { |
---|
1857 | _A(!m_bLocked); |
---|
1858 | // SUGG: Take advantage of m_CriticalSection's TryLock if available |
---|
1859 | _A(sizeof m_CriticalSection >= sizeof (CRITICAL_SECTION)); |
---|
1860 | CRITICAL_SECTION* pInternalCriticalSection = reinterpret_cast<CRITICAL_SECTION*>(&m_CriticalSection); |
---|
1861 | if(!TryEnterCriticalSection(pInternalCriticalSection)) |
---|
1862 | return FALSE; |
---|
1863 | m_bLocked = TRUE; |
---|
1864 | return TRUE; |
---|
1865 | } |
---|
1866 | #endif // _WIN32_WINNT >= 0x0400 |
---|
1867 | VOID Unlock() throw() |
---|
1868 | { |
---|
1869 | ATLASSUME(m_bLocked); |
---|
1870 | m_CriticalSection.Unlock(); |
---|
1871 | m_bLocked = FALSE; |
---|
1872 | } |
---|
1873 | }; |
---|
1874 | |
---|
1875 | typedef CRoCriticalSectionLockT<CRoCriticalSection> CRoCriticalSectionLock; |
---|
1876 | |
---|
1877 | #else |
---|
1878 | |
---|
1879 | typedef CComCritSecLock<CRoCriticalSection> CRoCriticalSectionLock; |
---|
1880 | |
---|
1881 | #endif |
---|
1882 | |
---|
1883 | typedef CComCritSecLock<CRoLightCriticalSection> CRoLightCriticalSectionLock; |
---|
1884 | |
---|
1885 | ///////////////////////////////////////////////////////////////////////////// |
---|
1886 | // CComCritSecUnlock |
---|
1887 | |
---|
1888 | template <typename _CriticalSection> |
---|
1889 | class CComCritSecUnlock |
---|
1890 | { |
---|
1891 | private: |
---|
1892 | _CriticalSection& m_CriticalSection; |
---|
1893 | BOOL m_bUnlocked; |
---|
1894 | |
---|
1895 | CComCritSecUnlock(const CComCritSecUnlock&) throw(); |
---|
1896 | CComCritSecUnlock& operator = (const CComCritSecUnlock&) throw(); |
---|
1897 | |
---|
1898 | public: |
---|
1899 | // CComCritSecUnlock |
---|
1900 | CComCritSecUnlock(_CriticalSection& CriticalSection, BOOL bInitialUnlock = TRUE) throw() : |
---|
1901 | m_CriticalSection(CriticalSection), |
---|
1902 | m_bUnlocked(FALSE) |
---|
1903 | { |
---|
1904 | if(bInitialUnlock) |
---|
1905 | Unlock(); |
---|
1906 | } |
---|
1907 | ~CComCritSecUnlock() throw() |
---|
1908 | { |
---|
1909 | if(m_bUnlocked) |
---|
1910 | Lock(); |
---|
1911 | } |
---|
1912 | VOID Unlock() throw() |
---|
1913 | { |
---|
1914 | _A(!m_bUnlocked); |
---|
1915 | _V(m_CriticalSection.Unlock()); |
---|
1916 | m_bUnlocked = TRUE; |
---|
1917 | } |
---|
1918 | VOID Lock() throw() |
---|
1919 | { |
---|
1920 | _A(m_bUnlocked); |
---|
1921 | m_CriticalSection.Lock(); |
---|
1922 | m_bUnlocked = FALSE; |
---|
1923 | } |
---|
1924 | #if _WIN32_WINNT >= 0x0400 |
---|
1925 | BOOL TryLock() throw() |
---|
1926 | { |
---|
1927 | _A(m_bUnlocked); |
---|
1928 | // SUGG: Take advantage of m_CriticalSection's TryLock if available |
---|
1929 | _A(sizeof m_CriticalSection == sizeof (CRITICAL_SECTION)); |
---|
1930 | CRITICAL_SECTION* pInternalCriticalSection = reinterpret_cast<CRITICAL_SECTION*>(&m_CriticalSection); |
---|
1931 | if(!TryEnterCriticalSection(pInternalCriticalSection)) |
---|
1932 | return FALSE; |
---|
1933 | m_bUnlocked = FALSE; |
---|
1934 | return TRUE; |
---|
1935 | } |
---|
1936 | #endif // _WIN32_WINNT >= 0x0400 |
---|
1937 | }; |
---|
1938 | |
---|
1939 | typedef CComCritSecUnlock<CRoCriticalSection> CRoCriticalSectionUnlock; |
---|
1940 | |
---|
1941 | // TODO: Condition Variables and One-Time Initialization |
---|
1942 | |
---|
1943 | //////////////////////////////////////////////////////////// |
---|
1944 | // CApiComReleaseReaderWriterLock |
---|
1945 | // |
---|
1946 | // NOTE: Requires Windows Vista or Windows Server 2008 |
---|
1947 | |
---|
1948 | class CApiComReleaseReaderWriterLock |
---|
1949 | { |
---|
1950 | protected: |
---|
1951 | SRWLOCK m_Lock; |
---|
1952 | |
---|
1953 | public: |
---|
1954 | // CApiComReleaseReaderWriterLock |
---|
1955 | CApiComReleaseReaderWriterLock() throw() |
---|
1956 | { |
---|
1957 | memset(&m_Lock, 0, sizeof m_Lock); |
---|
1958 | } |
---|
1959 | ~CApiComReleaseReaderWriterLock() throw() |
---|
1960 | { |
---|
1961 | } |
---|
1962 | VOID Initialize() throw() |
---|
1963 | { |
---|
1964 | InitializeSRWLock(&m_Lock); |
---|
1965 | } |
---|
1966 | VOID Terminate() throw() |
---|
1967 | { |
---|
1968 | } |
---|
1969 | BOOL VerifyAcquiredExclusive() const throw() |
---|
1970 | { |
---|
1971 | return TRUE; // No way to verify |
---|
1972 | } |
---|
1973 | VOID AcquireExclusive() throw() |
---|
1974 | { |
---|
1975 | AcquireSRWLockExclusive(&m_Lock); |
---|
1976 | } |
---|
1977 | #if _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
1978 | BOOLEAN TryAcquireExclusive() throw() |
---|
1979 | { |
---|
1980 | return TryAcquireSRWLockExclusive(&m_Lock); |
---|
1981 | } |
---|
1982 | #endif // _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
1983 | VOID ReleaseExclusive() throw() |
---|
1984 | { |
---|
1985 | ReleaseSRWLockExclusive(&m_Lock); |
---|
1986 | } |
---|
1987 | BOOL VerifyAcquiredShared() const throw() |
---|
1988 | { |
---|
1989 | return TRUE; // No way to verify |
---|
1990 | } |
---|
1991 | VOID AcquireShared() throw() |
---|
1992 | { |
---|
1993 | AcquireSRWLockShared(&m_Lock); |
---|
1994 | } |
---|
1995 | #if _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
1996 | BOOLEAN TryAcquireShared() throw() |
---|
1997 | { |
---|
1998 | return TryAcquireSRWLockShared(&m_Lock); |
---|
1999 | } |
---|
2000 | #endif // _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2001 | VOID ReleaseShared() throw() |
---|
2002 | { |
---|
2003 | ReleaseSRWLockShared(&m_Lock); |
---|
2004 | } |
---|
2005 | }; |
---|
2006 | |
---|
2007 | //////////////////////////////////////////////////////////// |
---|
2008 | // CNativeComReleaseReaderWriterLock |
---|
2009 | |
---|
2010 | template <UINT t_nDefaultSpinCount = 1> |
---|
2011 | class CNativeComReleaseReaderWriterLockT |
---|
2012 | { |
---|
2013 | protected: |
---|
2014 | CInterlockedLong m_nLock; |
---|
2015 | |
---|
2016 | public: |
---|
2017 | // CNativeComReleaseReaderWriterLockT |
---|
2018 | CNativeComReleaseReaderWriterLockT() throw() : |
---|
2019 | m_nLock(0) |
---|
2020 | { |
---|
2021 | } |
---|
2022 | ~CNativeComReleaseReaderWriterLockT() throw() |
---|
2023 | { |
---|
2024 | } |
---|
2025 | VOID Initialize() throw() |
---|
2026 | { |
---|
2027 | m_nLock = 0; |
---|
2028 | } |
---|
2029 | VOID Terminate() throw() |
---|
2030 | { |
---|
2031 | } |
---|
2032 | BOOL VerifyAcquiredExclusive() const throw() |
---|
2033 | { |
---|
2034 | return TRUE; // No way to reliably verify |
---|
2035 | } |
---|
2036 | VOID AcquireExclusiveNoSpin() throw() |
---|
2037 | { |
---|
2038 | for(; ; ) |
---|
2039 | { |
---|
2040 | if(m_nLock.ExchangeAdd(-0x10000) == 0) |
---|
2041 | break; |
---|
2042 | m_nLock.ExchangeAdd(+0x10000); |
---|
2043 | SwitchToThread(); |
---|
2044 | } |
---|
2045 | } |
---|
2046 | VOID AcquireExclusiveSpin(UINT nSpinCount) throw() |
---|
2047 | { |
---|
2048 | for(UINT nSpinIndex = 0; ; nSpinIndex++) |
---|
2049 | { |
---|
2050 | if(m_nLock.ExchangeAdd(-0x10000) == 0) |
---|
2051 | break; |
---|
2052 | m_nLock.ExchangeAdd(+0x10000); |
---|
2053 | if(nSpinIndex < nSpinCount) |
---|
2054 | continue; |
---|
2055 | SwitchToThread(); |
---|
2056 | nSpinIndex = 0; |
---|
2057 | } |
---|
2058 | } |
---|
2059 | VOID AcquireExclusive() throw() |
---|
2060 | { |
---|
2061 | (t_nDefaultSpinCount > 0) ? AcquireExclusiveSpin(t_nDefaultSpinCount) : AcquireExclusiveNoSpin(); |
---|
2062 | } |
---|
2063 | BOOLEAN TryAcquireExclusive() throw() |
---|
2064 | { |
---|
2065 | if(m_nLock.ExchangeAdd(-0x10000) == 0) |
---|
2066 | return TRUE; |
---|
2067 | m_nLock.ExchangeAdd(+0x10000); |
---|
2068 | return FALSE; |
---|
2069 | } |
---|
2070 | VOID ReleaseExclusive() throw() |
---|
2071 | { |
---|
2072 | _A(m_nLock < -0x10000 / 2); |
---|
2073 | m_nLock.ExchangeAdd(+0x10000); |
---|
2074 | } |
---|
2075 | BOOL VerifyAcquiredShared() const throw() |
---|
2076 | { |
---|
2077 | return TRUE; // No way to reliably verify |
---|
2078 | } |
---|
2079 | VOID AcquireSharedNoSpin() throw() |
---|
2080 | { |
---|
2081 | for(; ; ) |
---|
2082 | { |
---|
2083 | if(m_nLock.Increment() > 0) |
---|
2084 | break; |
---|
2085 | m_nLock.Decrement(); |
---|
2086 | SwitchToThread(); |
---|
2087 | } |
---|
2088 | } |
---|
2089 | VOID AcquireSharedSpin(UINT nSpinCount) throw() |
---|
2090 | { |
---|
2091 | for(UINT nSpinIndex = 0; ; nSpinIndex++) |
---|
2092 | { |
---|
2093 | if(m_nLock.Increment() > 0) |
---|
2094 | break; |
---|
2095 | m_nLock.Decrement(); |
---|
2096 | if(nSpinIndex < nSpinCount) |
---|
2097 | continue; |
---|
2098 | SwitchToThread(); |
---|
2099 | nSpinIndex = 0; |
---|
2100 | } |
---|
2101 | } |
---|
2102 | VOID AcquireShared() throw() |
---|
2103 | { |
---|
2104 | (t_nDefaultSpinCount > 0) ? AcquireSharedSpin(t_nDefaultSpinCount) : AcquireSharedNoSpin(); |
---|
2105 | } |
---|
2106 | BOOLEAN TryAcquireShared() throw() |
---|
2107 | { |
---|
2108 | if(m_nLock.Increment() > 0) |
---|
2109 | return TRUE; |
---|
2110 | m_nLock.Decrement(); |
---|
2111 | return FALSE; |
---|
2112 | } |
---|
2113 | VOID ReleaseShared() throw() |
---|
2114 | { |
---|
2115 | m_nLock.Decrement(); |
---|
2116 | } |
---|
2117 | }; |
---|
2118 | |
---|
2119 | typedef CNativeComReleaseReaderWriterLockT<> CNativeComReleaseReaderWriterLock; |
---|
2120 | |
---|
2121 | //////////////////////////////////////////////////////////// |
---|
2122 | // CComReleaseReaderWriterLock, CComDebugReaderWriterLock, CRoReaderWriterLock |
---|
2123 | |
---|
2124 | //typedef CApiComReleaseReaderWriterLock CComReleaseReaderWriterLock; |
---|
2125 | typedef CNativeComReleaseReaderWriterLock CComReleaseReaderWriterLock; |
---|
2126 | |
---|
2127 | #if defined(_DEBUG) |
---|
2128 | |
---|
2129 | class CComDebugReaderWriterLock : |
---|
2130 | private CComReleaseReaderWriterLock |
---|
2131 | { |
---|
2132 | private: |
---|
2133 | |
---|
2134 | //////////////////////////////////////////////////////// |
---|
2135 | // CAcquirement |
---|
2136 | |
---|
2137 | class CAcquirement |
---|
2138 | { |
---|
2139 | public: |
---|
2140 | DWORD m_nThreadIdentifier; |
---|
2141 | BOOL m_bExclusive; |
---|
2142 | |
---|
2143 | public: |
---|
2144 | // CAcquirement |
---|
2145 | static BOOL IsEqualThreadIdentifier(const CAcquirement& Acquirement, DWORD nThreadIdentifier) throw() |
---|
2146 | { |
---|
2147 | return Acquirement.m_nThreadIdentifier == nThreadIdentifier; |
---|
2148 | } |
---|
2149 | CAcquirement() throw() |
---|
2150 | { |
---|
2151 | } |
---|
2152 | CAcquirement(DWORD nThreadIdentifier, BOOL bExclusive) throw() : |
---|
2153 | m_nThreadIdentifier(nThreadIdentifier), |
---|
2154 | m_bExclusive(bExclusive) |
---|
2155 | { |
---|
2156 | } |
---|
2157 | }; |
---|
2158 | |
---|
2159 | //////////////////////////////////////////////////////// |
---|
2160 | // CAcquirementList |
---|
2161 | |
---|
2162 | class CAcquirementList : |
---|
2163 | private CRoListT<CAcquirement> |
---|
2164 | { |
---|
2165 | private: |
---|
2166 | mutable CComReleaseReaderWriterLock m_DataReaderWriterLock; |
---|
2167 | |
---|
2168 | public: |
---|
2169 | // CAcquirementList |
---|
2170 | BOOL IsEmpty() const throw() |
---|
2171 | { |
---|
2172 | m_DataReaderWriterLock.AcquireShared(); |
---|
2173 | const BOOL bResult = __super::IsEmpty(); |
---|
2174 | m_DataReaderWriterLock.ReleaseShared(); |
---|
2175 | return bResult; |
---|
2176 | } |
---|
2177 | BOOL Find(DWORD nThreadIdentifier = GetCurrentThreadId()) const throw() |
---|
2178 | { |
---|
2179 | POSITION Position = NULL; |
---|
2180 | m_DataReaderWriterLock.AcquireShared(); |
---|
2181 | __super::FindFirstThatT(&CAcquirement::IsEqualThreadIdentifier, nThreadIdentifier, &Position); |
---|
2182 | m_DataReaderWriterLock.ReleaseShared(); |
---|
2183 | return Position != NULL; |
---|
2184 | } |
---|
2185 | BOOL Find(BOOL& bExclusive, DWORD nThreadIdentifier = GetCurrentThreadId()) const throw() |
---|
2186 | { |
---|
2187 | POSITION Position = NULL; |
---|
2188 | m_DataReaderWriterLock.AcquireShared(); |
---|
2189 | __super::FindFirstThatT(&CAcquirement::IsEqualThreadIdentifier, nThreadIdentifier, &Position); |
---|
2190 | if(Position) |
---|
2191 | bExclusive = GetAt(Position).m_bExclusive; |
---|
2192 | m_DataReaderWriterLock.ReleaseShared(); |
---|
2193 | return Position != NULL; |
---|
2194 | } |
---|
2195 | VOID Add(BOOL bExclusive, DWORD nThreadIdentifier = GetCurrentThreadId()) throw() |
---|
2196 | { |
---|
2197 | m_DataReaderWriterLock.AcquireExclusive(); |
---|
2198 | __super::AddTail(CAcquirement(nThreadIdentifier, bExclusive)); |
---|
2199 | m_DataReaderWriterLock.ReleaseExclusive(); |
---|
2200 | } |
---|
2201 | BOOL RemoveLast(DWORD nThreadIdentifier = GetCurrentThreadId()) throw() |
---|
2202 | { |
---|
2203 | POSITION Position; |
---|
2204 | m_DataReaderWriterLock.AcquireExclusive(); |
---|
2205 | if(__super::FindLastThatT(&CAcquirement::IsEqualThreadIdentifier, nThreadIdentifier, &Position)) |
---|
2206 | __super::RemoveAt(Position); |
---|
2207 | m_DataReaderWriterLock.ReleaseExclusive(); |
---|
2208 | return Position != NULL; |
---|
2209 | } |
---|
2210 | }; |
---|
2211 | |
---|
2212 | protected: |
---|
2213 | CAcquirementList m_AcquirementList; |
---|
2214 | |
---|
2215 | public: |
---|
2216 | // CComDebugReaderWriterLock |
---|
2217 | CComDebugReaderWriterLock() throw() |
---|
2218 | { |
---|
2219 | } |
---|
2220 | ~CComDebugReaderWriterLock() throw() |
---|
2221 | { |
---|
2222 | } |
---|
2223 | VOID Initialize() throw() |
---|
2224 | { |
---|
2225 | __super::Initialize(); |
---|
2226 | _A(m_AcquirementList.IsEmpty()); |
---|
2227 | } |
---|
2228 | VOID Terminate() throw() |
---|
2229 | { |
---|
2230 | _A(m_AcquirementList.IsEmpty()); |
---|
2231 | } |
---|
2232 | BOOL VerifyAcquiredExclusive() const throw() |
---|
2233 | { |
---|
2234 | BOOL bExclusive; |
---|
2235 | if(!m_AcquirementList.Find(bExclusive)) |
---|
2236 | return FALSE; |
---|
2237 | return bExclusive; |
---|
2238 | } |
---|
2239 | VOID AcquireExclusive() throw() |
---|
2240 | { |
---|
2241 | _A(!m_AcquirementList.Find()); |
---|
2242 | __super::AcquireExclusive(); |
---|
2243 | m_AcquirementList.Add(TRUE); |
---|
2244 | } |
---|
2245 | BOOLEAN TryAcquireExclusive() throw() |
---|
2246 | { |
---|
2247 | _A(!m_AcquirementList.Find()); |
---|
2248 | if(!__super::TryAcquireExclusive()) |
---|
2249 | return FALSE; |
---|
2250 | m_AcquirementList.Add(TRUE); |
---|
2251 | return TRUE; |
---|
2252 | } |
---|
2253 | VOID ReleaseExclusive() throw() |
---|
2254 | { |
---|
2255 | _W(m_AcquirementList.RemoveLast()); |
---|
2256 | __super::ReleaseExclusive(); |
---|
2257 | _A(!m_AcquirementList.Find()); |
---|
2258 | } |
---|
2259 | BOOL VerifyAcquiredShared() const throw() |
---|
2260 | { |
---|
2261 | BOOL bExclusive; |
---|
2262 | if(!m_AcquirementList.Find(bExclusive)) |
---|
2263 | return FALSE; |
---|
2264 | return !bExclusive; |
---|
2265 | } |
---|
2266 | VOID AcquireShared() throw() |
---|
2267 | { |
---|
2268 | _A(!m_AcquirementList.Find()); |
---|
2269 | __super::AcquireShared(); |
---|
2270 | m_AcquirementList.Add(FALSE); |
---|
2271 | } |
---|
2272 | BOOLEAN TryAcquireShared() throw() |
---|
2273 | { |
---|
2274 | _A(!m_AcquirementList.Find()); |
---|
2275 | if(!__super::TryAcquireShared()) |
---|
2276 | return FALSE; |
---|
2277 | m_AcquirementList.Add(FALSE); |
---|
2278 | return TRUE; |
---|
2279 | } |
---|
2280 | VOID ReleaseShared() throw() |
---|
2281 | { |
---|
2282 | _W(m_AcquirementList.RemoveLast()); |
---|
2283 | __super::ReleaseShared(); |
---|
2284 | _A(!m_AcquirementList.Find()); |
---|
2285 | } |
---|
2286 | }; |
---|
2287 | |
---|
2288 | #endif // defined(_DEBUG) |
---|
2289 | |
---|
2290 | #if defined(_DEBUG) |
---|
2291 | typedef CComDebugReaderWriterLock CComReaderWriterLock; |
---|
2292 | #else |
---|
2293 | typedef CComReleaseReaderWriterLock CComReaderWriterLock; |
---|
2294 | #endif // defined(_DEBUG) |
---|
2295 | |
---|
2296 | class CComAutoReaderWriterLock : |
---|
2297 | public CComReaderWriterLock |
---|
2298 | { |
---|
2299 | private: |
---|
2300 | VOID Initialize(); |
---|
2301 | VOID Terminate(); |
---|
2302 | |
---|
2303 | public: |
---|
2304 | // CComAutoReaderWriterLock |
---|
2305 | CComAutoReaderWriterLock() throw() |
---|
2306 | { |
---|
2307 | __super::Initialize(); |
---|
2308 | } |
---|
2309 | ~CComAutoReaderWriterLock() throw() |
---|
2310 | { |
---|
2311 | __super::Terminate(); |
---|
2312 | } |
---|
2313 | }; |
---|
2314 | |
---|
2315 | // SUGG: Merge classes to have shared lock/unlock classes with traits/bases to lock shared/exclusive |
---|
2316 | |
---|
2317 | template <typename _ReaderWriterLock> |
---|
2318 | class CComReaderWriterLockExclusiveLockT |
---|
2319 | { |
---|
2320 | private: |
---|
2321 | _ReaderWriterLock& m_Lock; |
---|
2322 | BOOL m_bLocked; |
---|
2323 | |
---|
2324 | CComReaderWriterLockExclusiveLockT(const CComReaderWriterLockExclusiveLockT&) throw(); |
---|
2325 | CComReaderWriterLockExclusiveLockT& operator = (const CComReaderWriterLockExclusiveLockT&) throw(); |
---|
2326 | |
---|
2327 | public: |
---|
2328 | // CComReaderWriterLockExclusiveLockT |
---|
2329 | CComReaderWriterLockExclusiveLockT(_ReaderWriterLock& ReaderWriterLock, BOOL bInitialLock = TRUE) throw() : |
---|
2330 | m_Lock(ReaderWriterLock), |
---|
2331 | m_bLocked(FALSE) |
---|
2332 | { |
---|
2333 | if(bInitialLock) |
---|
2334 | Lock(); |
---|
2335 | } |
---|
2336 | ~CComReaderWriterLockExclusiveLockT() throw() |
---|
2337 | { |
---|
2338 | if(m_bLocked) |
---|
2339 | Unlock(); |
---|
2340 | } |
---|
2341 | VOID Lock() throw() |
---|
2342 | { |
---|
2343 | _A(!m_bLocked); |
---|
2344 | m_Lock.AcquireExclusive(); |
---|
2345 | m_bLocked = TRUE; |
---|
2346 | } |
---|
2347 | //#if _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2348 | BOOL TryLock() throw() |
---|
2349 | { |
---|
2350 | _A(!m_bLocked); |
---|
2351 | if(!m_Lock.TryAcquireExclusive()) |
---|
2352 | return FALSE; |
---|
2353 | m_bLocked = TRUE; |
---|
2354 | return TRUE; |
---|
2355 | } |
---|
2356 | //#endif // _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2357 | VOID Unlock() throw() |
---|
2358 | { |
---|
2359 | ATLASSUME(m_bLocked); |
---|
2360 | m_Lock.ReleaseExclusive(); |
---|
2361 | m_bLocked = FALSE; |
---|
2362 | } |
---|
2363 | }; |
---|
2364 | |
---|
2365 | template <typename _ReaderWriterLock> |
---|
2366 | class CComReaderWriterLockExclusiveUnlockT |
---|
2367 | { |
---|
2368 | private: |
---|
2369 | _ReaderWriterLock& m_Lock; |
---|
2370 | BOOL m_bUnlocked; |
---|
2371 | |
---|
2372 | CComReaderWriterLockExclusiveUnlockT(const CComReaderWriterLockExclusiveUnlockT&) throw(); |
---|
2373 | CComReaderWriterLockExclusiveUnlockT& operator = (const CComReaderWriterLockExclusiveUnlockT&) throw(); |
---|
2374 | |
---|
2375 | public: |
---|
2376 | // CComReaderWriterLockExclusiveUnlockT |
---|
2377 | CComReaderWriterLockExclusiveUnlockT(_ReaderWriterLock& ReaderWriterLock, BOOL bInitialUnlock = TRUE) throw() : |
---|
2378 | m_Lock(ReaderWriterLock), |
---|
2379 | m_bUnlocked(FALSE) |
---|
2380 | { |
---|
2381 | if(bInitialUnlock) |
---|
2382 | Unlock(); |
---|
2383 | } |
---|
2384 | ~CComReaderWriterLockExclusiveUnlockT() throw() |
---|
2385 | { |
---|
2386 | if(m_bUnlocked) |
---|
2387 | Lock(); |
---|
2388 | } |
---|
2389 | VOID Unlock() throw() |
---|
2390 | { |
---|
2391 | _A(!m_bUnlocked); |
---|
2392 | m_Lock.ReleaseExclusive(); |
---|
2393 | m_bUnlocked = TRUE; |
---|
2394 | } |
---|
2395 | VOID Lock() throw() |
---|
2396 | { |
---|
2397 | ATLASSUME(m_bUnlocked); |
---|
2398 | m_Lock.AcquireExclusive(); |
---|
2399 | m_bUnlocked = FALSE; |
---|
2400 | } |
---|
2401 | //#if _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2402 | BOOL TryLock() throw() |
---|
2403 | { |
---|
2404 | _A(!m_bLocked); |
---|
2405 | if(!m_Lock.TryAcquireExclusive()) |
---|
2406 | return FALSE; |
---|
2407 | m_bLocked = TRUE; |
---|
2408 | return TRUE; |
---|
2409 | } |
---|
2410 | //#endif // _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2411 | }; |
---|
2412 | |
---|
2413 | template <typename _ReaderWriterLock> |
---|
2414 | class CComReaderWriterLockSharedLockT |
---|
2415 | { |
---|
2416 | private: |
---|
2417 | _ReaderWriterLock& m_Lock; |
---|
2418 | BOOL m_bLocked; |
---|
2419 | |
---|
2420 | CComReaderWriterLockSharedLockT(const CComReaderWriterLockSharedLockT&) throw(); |
---|
2421 | CComReaderWriterLockSharedLockT& operator = (const CComReaderWriterLockSharedLockT&) throw(); |
---|
2422 | |
---|
2423 | public: |
---|
2424 | // CComReaderWriterLockSharedLockT |
---|
2425 | CComReaderWriterLockSharedLockT(_ReaderWriterLock& ReaderWriterLock, BOOL bInitialLock = TRUE) throw() : |
---|
2426 | m_Lock(ReaderWriterLock), |
---|
2427 | m_bLocked(FALSE) |
---|
2428 | { |
---|
2429 | if(bInitialLock) |
---|
2430 | Lock(); |
---|
2431 | } |
---|
2432 | ~CComReaderWriterLockSharedLockT() throw() |
---|
2433 | { |
---|
2434 | if(m_bLocked) |
---|
2435 | Unlock(); |
---|
2436 | } |
---|
2437 | VOID Lock() throw() |
---|
2438 | { |
---|
2439 | _A(!m_bLocked); |
---|
2440 | m_Lock.AcquireShared(); |
---|
2441 | m_bLocked = TRUE; |
---|
2442 | } |
---|
2443 | //#if _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2444 | BOOL TryLock() throw() |
---|
2445 | { |
---|
2446 | _A(!m_bLocked); |
---|
2447 | if(!m_Lock.TryAcquireShared()) |
---|
2448 | return FALSE; |
---|
2449 | m_bLocked = TRUE; |
---|
2450 | return TRUE; |
---|
2451 | } |
---|
2452 | //#endif // _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2453 | VOID Unlock() throw() |
---|
2454 | { |
---|
2455 | ATLASSUME(m_bLocked); |
---|
2456 | m_Lock.ReleaseShared(); |
---|
2457 | m_bLocked = FALSE; |
---|
2458 | } |
---|
2459 | }; |
---|
2460 | |
---|
2461 | template <typename _ReaderWriterLock> |
---|
2462 | class CComReaderWriterLockSharedUnlockT |
---|
2463 | { |
---|
2464 | private: |
---|
2465 | _ReaderWriterLock& m_Lock; |
---|
2466 | BOOL m_bUnlocked; |
---|
2467 | |
---|
2468 | CComReaderWriterLockSharedUnlockT(const CComReaderWriterLockSharedUnlockT&) throw(); |
---|
2469 | CComReaderWriterLockSharedUnlockT& operator = (const CComReaderWriterLockSharedUnlockT&) throw(); |
---|
2470 | |
---|
2471 | public: |
---|
2472 | // CComReaderWriterLockSharedUnlockT |
---|
2473 | CComReaderWriterLockSharedUnlockT(_ReaderWriterLock& ReaderWriterLock, BOOL bInitialUnlock = TRUE) throw() : |
---|
2474 | m_Lock(ReaderWriterLock), |
---|
2475 | m_bUnlocked(FALSE) |
---|
2476 | { |
---|
2477 | if(bInitialUnlock) |
---|
2478 | Unlock(); |
---|
2479 | } |
---|
2480 | ~CComReaderWriterLockSharedUnlockT() throw() |
---|
2481 | { |
---|
2482 | if(m_bUnlocked) |
---|
2483 | Lock(); |
---|
2484 | } |
---|
2485 | VOID Unlock() throw() |
---|
2486 | { |
---|
2487 | _A(!m_bUnlocked); |
---|
2488 | m_Lock.ReleaseShared(); |
---|
2489 | m_bUnlocked = TRUE; |
---|
2490 | } |
---|
2491 | VOID Lock() throw() |
---|
2492 | { |
---|
2493 | ATLASSUME(m_bUnlocked); |
---|
2494 | m_Lock.AcquireShared(); |
---|
2495 | m_bUnlocked = FALSE; |
---|
2496 | } |
---|
2497 | //#if _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2498 | BOOL TryLock() throw() |
---|
2499 | { |
---|
2500 | _A(!m_bLocked); |
---|
2501 | if(!m_Lock.TryAcquireShared()) |
---|
2502 | return FALSE; |
---|
2503 | m_bLocked = TRUE; |
---|
2504 | return TRUE; |
---|
2505 | } |
---|
2506 | //#endif // _WIN32_WINNT >= _WIN32_WINNT_WIN7 |
---|
2507 | }; |
---|
2508 | |
---|
2509 | // TODO: Deadlock-aware Debug/Trace versions |
---|
2510 | |
---|
2511 | //#if !defined(SRWLOCK_THROUGH_CRITICALSECTION) |
---|
2512 | //#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600 |
---|
2513 | //#define SRWLOCK_THROUGH_CRITICALSECTION |
---|
2514 | //#endif |
---|
2515 | //#endif |
---|
2516 | |
---|
2517 | #if defined(SRWLOCK_THROUGH_CRITICALSECTION) |
---|
2518 | typedef CRoCriticalSection CRoReaderWriterLock; |
---|
2519 | typedef CRoCriticalSectionLock CRoReaderWriterLockExclusiveLock; |
---|
2520 | typedef CRoCriticalSectionUnlock CRoReaderWriterLockExclusiveUnlock; |
---|
2521 | typedef CRoCriticalSectionLock CRoReaderWriterLockSharedLock; |
---|
2522 | typedef CRoCriticalSectionUnlock CRoReaderWriterLockSharedUnlock; |
---|
2523 | #else |
---|
2524 | typedef CComAutoReaderWriterLock CRoReaderWriterLock; |
---|
2525 | typedef CComReaderWriterLockExclusiveLockT<CRoReaderWriterLock> CRoReaderWriterLockExclusiveLock; |
---|
2526 | typedef CComReaderWriterLockExclusiveUnlockT<CRoReaderWriterLock> CRoReaderWriterLockExclusiveUnlock; |
---|
2527 | typedef CComReaderWriterLockSharedLockT<CRoReaderWriterLock> CRoReaderWriterLockSharedLock; |
---|
2528 | typedef CComReaderWriterLockSharedUnlockT<CRoReaderWriterLock> CRoReaderWriterLockSharedUnlock; |
---|
2529 | #endif |
---|
2530 | |
---|
2531 | //////////////////////////////////////////////////////////// |
---|
2532 | // CLocalObjectMap |
---|
2533 | |
---|
2534 | class CLocalObjectMap |
---|
2535 | { |
---|
2536 | private: |
---|
2537 | _ATL_OBJMAP_ENTRY* m_pObjectMap; |
---|
2538 | BOOL m_bRegistered; |
---|
2539 | |
---|
2540 | public: |
---|
2541 | // CLocalObjectMap |
---|
2542 | CLocalObjectMap(_ATL_OBJMAP_ENTRY* pObjectMap) throw() : |
---|
2543 | m_pObjectMap(pObjectMap), |
---|
2544 | m_bRegistered(FALSE) |
---|
2545 | { |
---|
2546 | _A(m_pObjectMap); |
---|
2547 | } |
---|
2548 | CLocalObjectMap(_ATL_OBJMAP_ENTRY* pObjectMap, BOOL bRegister) : |
---|
2549 | m_pObjectMap(pObjectMap), |
---|
2550 | m_bRegistered(FALSE) |
---|
2551 | { |
---|
2552 | if(bRegister) |
---|
2553 | Register(); |
---|
2554 | _A(m_bRegistered == bRegister); |
---|
2555 | } |
---|
2556 | ~CLocalObjectMap() throw() |
---|
2557 | { |
---|
2558 | if(m_bRegistered) |
---|
2559 | _ATLTRY |
---|
2560 | { |
---|
2561 | Revoke(); |
---|
2562 | } |
---|
2563 | _ATLCATCHALL() |
---|
2564 | { |
---|
2565 | _Z_EXCEPTION(); |
---|
2566 | } |
---|
2567 | } |
---|
2568 | VOID Register() |
---|
2569 | { |
---|
2570 | _A(!m_bRegistered); |
---|
2571 | SIZE_T nIndex = 0; |
---|
2572 | _ATLTRY |
---|
2573 | { |
---|
2574 | for(; m_pObjectMap[nIndex].pclsid; nIndex++) |
---|
2575 | __C(m_pObjectMap[nIndex].RegisterClassObject(CLSCTX_INPROC_SERVER, REGCLS_MULTIPLEUSE)); |
---|
2576 | } |
---|
2577 | _ATLCATCHALL() |
---|
2578 | { |
---|
2579 | for(nIndex--; nIndex + 1 > 0; nIndex--) |
---|
2580 | _V(m_pObjectMap[nIndex].RevokeClassObject()); |
---|
2581 | _ATLRETHROW; |
---|
2582 | } |
---|
2583 | m_bRegistered = TRUE; |
---|
2584 | } |
---|
2585 | VOID Revoke() |
---|
2586 | { |
---|
2587 | _A(m_bRegistered); |
---|
2588 | for(SIZE_T nIndex = 0; m_pObjectMap[nIndex].pclsid; nIndex++) |
---|
2589 | __C(m_pObjectMap[nIndex].RevokeClassObject()); |
---|
2590 | m_bRegistered = FALSE; |
---|
2591 | } |
---|
2592 | }; |
---|
2593 | |
---|
2594 | //////////////////////////////////////////////////////////// |
---|
2595 | // CInProcessServerLibrary |
---|
2596 | |
---|
2597 | class CInProcessServerLibrary |
---|
2598 | { |
---|
2599 | private: |
---|
2600 | HMODULE m_hModule; |
---|
2601 | |
---|
2602 | public: |
---|
2603 | // CInProcessServerLibrary |
---|
2604 | CInProcessServerLibrary() throw() : |
---|
2605 | m_hModule(NULL) |
---|
2606 | { |
---|
2607 | } |
---|
2608 | CInProcessServerLibrary(HMODULE hModule) throw() : |
---|
2609 | m_hModule(NULL) |
---|
2610 | { |
---|
2611 | Initialize(hModule); |
---|
2612 | } |
---|
2613 | CInProcessServerLibrary(LPCTSTR pszPath) : |
---|
2614 | m_hModule(NULL) |
---|
2615 | { |
---|
2616 | Initialize(pszPath); |
---|
2617 | } |
---|
2618 | ~CInProcessServerLibrary() throw() |
---|
2619 | { |
---|
2620 | Terminate(); |
---|
2621 | } |
---|
2622 | VOID Initialize(HMODULE hModule) throw() |
---|
2623 | { |
---|
2624 | Terminate(); |
---|
2625 | m_hModule = hModule; |
---|
2626 | } |
---|
2627 | static CPath PathFromModuleDirectoryAndName(LPCTSTR pszName, HMODULE hModule = _AtlBaseModule.GetModuleInstance()) |
---|
2628 | { |
---|
2629 | TCHAR pszDirectory[MAX_PATH] = { 0 }; |
---|
2630 | _W(GetModuleFileName(hModule, pszDirectory, DIM(pszDirectory))); |
---|
2631 | _W(ATLPath::RemoveFileSpec(pszDirectory)); |
---|
2632 | CPath sPath; |
---|
2633 | sPath.Combine(pszDirectory, pszName); |
---|
2634 | return sPath; |
---|
2635 | } |
---|
2636 | VOID Initialize(LPCTSTR pszPath) |
---|
2637 | { |
---|
2638 | Terminate(); |
---|
2639 | m_hModule = LoadLibrary(pszPath); |
---|
2640 | __E(m_hModule); |
---|
2641 | } |
---|
2642 | BOOL TryInitialize(LPCTSTR pszPath) throw() |
---|
2643 | { |
---|
2644 | const HMODULE hModule = LoadLibrary(pszPath); |
---|
2645 | if(!hModule) |
---|
2646 | return FALSE; |
---|
2647 | Terminate(); |
---|
2648 | m_hModule = hModule; |
---|
2649 | return TRUE; |
---|
2650 | } |
---|
2651 | VOID Terminate() |
---|
2652 | { |
---|
2653 | if(m_hModule) |
---|
2654 | { |
---|
2655 | FreeLibrary(m_hModule); |
---|
2656 | m_hModule = NULL; |
---|
2657 | } |
---|
2658 | } |
---|
2659 | HMODULE GetModule() const throw() |
---|
2660 | { |
---|
2661 | return m_hModule; |
---|
2662 | } |
---|
2663 | operator HMODULE () const throw() |
---|
2664 | { |
---|
2665 | return GetModule(); |
---|
2666 | } |
---|
2667 | template <typename IObject> |
---|
2668 | HRESULT CreateInstance(CComPtr<IObject>& pObject, const CLSID& ClassIdentifier, IUnknown* pOuterUnknown = NULL) |
---|
2669 | { |
---|
2670 | if(!m_hModule) |
---|
2671 | return HRESULT_FROM_WIN32(ERROR_MOD_NOT_FOUND); |
---|
2672 | typedef HRESULT (STDMETHODCALLTYPE *DLLGETCLASSOBJECT)(__in REFCLSID ClassIdentifier, __in REFIID InterfaceIdentifier, __out VOID** ppvObject); |
---|
2673 | const DLLGETCLASSOBJECT pDllGetClassObject = (DLLGETCLASSOBJECT) GetProcAddress(m_hModule, "DllGetClassObject"); |
---|
2674 | if(!pDllGetClassObject) |
---|
2675 | return AtlHresultFromLastError(); |
---|
2676 | CComPtr<IClassFactory> pClassFactory; |
---|
2677 | _C((pDllGetClassObject)(ClassIdentifier, __uuidof(IClassFactory), (VOID**) &pClassFactory)); |
---|
2678 | _A(pClassFactory); |
---|
2679 | _C(pClassFactory->CreateInstance(pOuterUnknown, __uuidof(IObject), (VOID**) &pObject)); |
---|
2680 | return S_OK; |
---|
2681 | } |
---|
2682 | }; |
---|
2683 | |
---|
2684 | //////////////////////////////////////////////////////////// |
---|
2685 | // CPrivateDispatchTypeInfoT |
---|
2686 | |
---|
2687 | template <typename T, typename IObject> |
---|
2688 | class ATL_NO_VTABLE CPrivateDispatchTypeInfoT |
---|
2689 | { |
---|
2690 | protected: |
---|
2691 | typedef CPrivateDispatchTypeInfoT<T, IObject> CPrivateDispatchTypeInfo; |
---|
2692 | |
---|
2693 | public: |
---|
2694 | |
---|
2695 | //////////////////////////////////////////////////////// |
---|
2696 | // CObjectDispatch |
---|
2697 | |
---|
2698 | class ATL_NO_VTABLE CObjectDispatch : |
---|
2699 | public IDispatchImpl<IObject> |
---|
2700 | { |
---|
2701 | public: |
---|
2702 | // CObjectDispatch |
---|
2703 | typename IDispatchImpl<IObject>::_tihclass& GetTypeInfoHolder() throw() |
---|
2704 | { |
---|
2705 | return _tih; |
---|
2706 | } |
---|
2707 | }; |
---|
2708 | |
---|
2709 | protected: |
---|
2710 | mutable CRoCriticalSection m_TypeCriticalSection; |
---|
2711 | CComPtr<ITypeLib> m_pTypeLib; |
---|
2712 | |
---|
2713 | public: |
---|
2714 | // CPrivateDispatchTypeInfoT |
---|
2715 | VOID LoadTypeInfo(INT nResourceIdentifier = 0) |
---|
2716 | { |
---|
2717 | TCHAR pszPath[MAX_PATH] = { 0 }; |
---|
2718 | _W(GetModuleFileName(_AtlBaseModule.GetModuleInstance(), pszPath, DIM(pszPath))); |
---|
2719 | if(nResourceIdentifier) |
---|
2720 | { |
---|
2721 | const SIZE_T nPathLength = _tcslen(pszPath); |
---|
2722 | _stprintf_s(pszPath + nPathLength, DIM(pszPath) - nPathLength, _T("\\%d"), nResourceIdentifier); |
---|
2723 | } |
---|
2724 | // SUGG: Put type library pointer on global collection for reuse |
---|
2725 | CRoCriticalSectionLock TypeLock(m_TypeCriticalSection); |
---|
2726 | CComPtr<ITypeLib> pTypeLib; |
---|
2727 | if(!m_pTypeLib) |
---|
2728 | { |
---|
2729 | __C(LoadTypeLib(CT2OLE(pszPath), &pTypeLib)); |
---|
2730 | m_pTypeLib = pTypeLib; |
---|
2731 | } else |
---|
2732 | pTypeLib = m_pTypeLib; |
---|
2733 | CComPtr<ITypeInfo> pTypeInfo; |
---|
2734 | __C(pTypeLib->GetTypeInfoOfGuid(__uuidof(IObject), &pTypeInfo)); |
---|
2735 | _A(pTypeInfo); |
---|
2736 | IDispatchImpl<IObject>* pDispath = static_cast<IDispatchImpl<IObject>*>(static_cast<T*>(this)); |
---|
2737 | CComTypeInfoHolder& TypeInfoHolder = static_cast<CObjectDispatch*>(pDispath)->GetTypeInfoHolder(); |
---|
2738 | TypeInfoHolder.m_pInfo = pTypeInfo; |
---|
2739 | TypeInfoHolder.LoadNameCache(pTypeInfo); |
---|
2740 | } |
---|
2741 | }; |
---|
2742 | |
---|
2743 | //////////////////////////////////////////////////////////// |
---|
2744 | // CSupportErrorInfoBase |
---|
2745 | |
---|
2746 | INT_PTR AtlMessageBoxEx(HWND hParentWindow, ATL::_U_STRINGorID Text, ATL::_U_STRINGorID Caption, UINT nType) throw(); |
---|
2747 | |
---|
2748 | class CSupportErrorInfoBase |
---|
2749 | { |
---|
2750 | public: |
---|
2751 | |
---|
2752 | //////////////////////////////////////////////////////// |
---|
2753 | // CErrorContext |
---|
2754 | |
---|
2755 | class CErrorContext |
---|
2756 | { |
---|
2757 | public: |
---|
2758 | CErrorContext* m_pPrevious; |
---|
2759 | |
---|
2760 | public: |
---|
2761 | // CErrorContext |
---|
2762 | CErrorContext() : |
---|
2763 | m_pPrevious(NULL) |
---|
2764 | { |
---|
2765 | } |
---|
2766 | virtual CString GetText() = 0; |
---|
2767 | }; |
---|
2768 | |
---|
2769 | //////////////////////////////////////////////////////// |
---|
2770 | // CLocalErrorInfo |
---|
2771 | // |
---|
2772 | // NOTE: Local COM method context to hold pending error information |
---|
2773 | |
---|
2774 | class CLocalErrorInfo |
---|
2775 | { |
---|
2776 | private: |
---|
2777 | static CRoListT<CLocalErrorInfo*>* g_pList; |
---|
2778 | DWORD m_nThreadIdentifier; |
---|
2779 | HRESULT m_nResult; |
---|
2780 | CErrorContext* m_pContext; |
---|
2781 | CComPtr<IErrorInfo> m_pErrorInfo; |
---|
2782 | |
---|
2783 | public: |
---|
2784 | // CLocalErrorInfo |
---|
2785 | static CLocalErrorInfo* GetCurrent() |
---|
2786 | { |
---|
2787 | const DWORD nThreadIdentifier = GetCurrentThreadId(); |
---|
2788 | _A(_pAtlModule); |
---|
2789 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
2790 | if(g_pList) |
---|
2791 | { |
---|
2792 | for(POSITION Position = g_pList->GetTailPosition(); Position; g_pList->GetPrev(Position)) |
---|
2793 | { |
---|
2794 | CLocalErrorInfo* pLocalErrorInfo = g_pList->GetAt(Position); |
---|
2795 | _A(pLocalErrorInfo); |
---|
2796 | if(pLocalErrorInfo->m_nThreadIdentifier == nThreadIdentifier) |
---|
2797 | return pLocalErrorInfo; |
---|
2798 | } |
---|
2799 | } |
---|
2800 | return NULL; |
---|
2801 | } |
---|
2802 | static CString GetCurrentDescription() |
---|
2803 | { |
---|
2804 | CString sDescription; |
---|
2805 | CLocalErrorInfo* pLocalErrorInfo = GetCurrent(); |
---|
2806 | if(pLocalErrorInfo) |
---|
2807 | GetErrorDescription(pLocalErrorInfo->m_pErrorInfo, sDescription); |
---|
2808 | return sDescription; |
---|
2809 | } |
---|
2810 | CLocalErrorInfo() : |
---|
2811 | m_nThreadIdentifier(GetCurrentThreadId()), |
---|
2812 | m_nResult(S_OK), |
---|
2813 | m_pContext(NULL) |
---|
2814 | { |
---|
2815 | _ATLTRY |
---|
2816 | { |
---|
2817 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
2818 | if(!g_pList) |
---|
2819 | g_pList = new CRoListT<CLocalErrorInfo*>(); |
---|
2820 | _W(g_pList->AddTail(this)); |
---|
2821 | } |
---|
2822 | _ATLCATCHALL() |
---|
2823 | { |
---|
2824 | _Z_EXCEPTION(); |
---|
2825 | } |
---|
2826 | _V(SetErrorInfo(0, NULL)); |
---|
2827 | } |
---|
2828 | ~CLocalErrorInfo() |
---|
2829 | { |
---|
2830 | CComCritSecLock<CComCriticalSection> Lock(_pAtlModule->m_csStaticDataInitAndTypeInfo); |
---|
2831 | if(g_pList) |
---|
2832 | { |
---|
2833 | const POSITION Position = g_pList->Find(this); |
---|
2834 | if(Position) |
---|
2835 | g_pList->RemoveAt(Position); |
---|
2836 | if(g_pList->IsEmpty()) |
---|
2837 | { |
---|
2838 | delete g_pList; |
---|
2839 | g_pList = NULL; |
---|
2840 | } |
---|
2841 | } |
---|
2842 | } |
---|
2843 | VOID Initialize(HRESULT nResult) |
---|
2844 | { |
---|
2845 | m_nResult = nResult; |
---|
2846 | m_pErrorInfo.Release(); |
---|
2847 | _V(GetErrorInfo(0, &m_pErrorInfo)); |
---|
2848 | } |
---|
2849 | HRESULT GetResult() const |
---|
2850 | { |
---|
2851 | return m_nResult; |
---|
2852 | } |
---|
2853 | CErrorContext* GetContext() |
---|
2854 | { |
---|
2855 | return m_pContext; |
---|
2856 | } |
---|
2857 | VOID AddContext(CErrorContext* pContext) |
---|
2858 | { |
---|
2859 | _A(pContext); |
---|
2860 | _A(!pContext->m_pPrevious); |
---|
2861 | pContext->m_pPrevious = m_pContext; |
---|
2862 | m_pContext = pContext; |
---|
2863 | } |
---|
2864 | VOID RemoveContext(CErrorContext* pContext) |
---|
2865 | { |
---|
2866 | _A(pContext); |
---|
2867 | _A(m_pContext == pContext); |
---|
2868 | m_pContext = pContext->m_pPrevious; |
---|
2869 | } |
---|
2870 | BOOL UpdateErrorInfo() |
---|
2871 | { |
---|
2872 | if(m_pErrorInfo) |
---|
2873 | { |
---|
2874 | _V(SetErrorInfo(0, m_pErrorInfo)); |
---|
2875 | return TRUE; |
---|
2876 | } |
---|
2877 | return FALSE; |
---|
2878 | } |
---|
2879 | BOOL UpdateErrorInfo(HRESULT nResult) |
---|
2880 | { |
---|
2881 | if(nResult == m_nResult && m_pErrorInfo) |
---|
2882 | { |
---|
2883 | _V(SetErrorInfo(0, m_pErrorInfo)); |
---|
2884 | return TRUE; |
---|
2885 | } |
---|
2886 | return FALSE; |
---|
2887 | } |
---|
2888 | }; |
---|
2889 | |
---|
2890 | //////////////////////////////////////////////////////// |
---|
2891 | // CTextErrorContext |
---|
2892 | |
---|
2893 | class CTextErrorContext : |
---|
2894 | public CErrorContext |
---|
2895 | { |
---|
2896 | private: |
---|
2897 | CLocalErrorInfo* m_pLocalErrorInfo; |
---|
2898 | CString m_sText; |
---|
2899 | #if _TRACE |
---|
2900 | BOOL m_bDestructorTrace; |
---|
2901 | #endif // _TRACE |
---|
2902 | |
---|
2903 | VOID SetLocalErrorInfo() |
---|
2904 | { |
---|
2905 | m_pLocalErrorInfo = CLocalErrorInfo::GetCurrent(); |
---|
2906 | if(m_pLocalErrorInfo) |
---|
2907 | m_pLocalErrorInfo->AddContext(this); |
---|
2908 | } |
---|
2909 | |
---|
2910 | public: |
---|
2911 | // CTextErrorContext |
---|
2912 | CTextErrorContext(BOOL bDestructorTrace = FALSE) |
---|
2913 | { |
---|
2914 | bDestructorTrace; |
---|
2915 | #if _TRACE |
---|
2916 | m_bDestructorTrace = bDestructorTrace; |
---|
2917 | #endif // _TRACE |
---|
2918 | SetLocalErrorInfo(); |
---|
2919 | } |
---|
2920 | CTextErrorContext(const CString& sText, BOOL bDestructorTrace = FALSE) |
---|
2921 | { |
---|
2922 | bDestructorTrace; |
---|
2923 | m_sText = sText; |
---|
2924 | #if _TRACE |
---|
2925 | m_bDestructorTrace = bDestructorTrace; |
---|
2926 | #endif // _TRACE |
---|
2927 | SetLocalErrorInfo(); |
---|
2928 | } |
---|
2929 | CTextErrorContext(const CString& sText, BOOL bDestructorTrace, LPCTSTR pszConstructorTraceText) |
---|
2930 | { |
---|
2931 | bDestructorTrace; pszConstructorTraceText; |
---|
2932 | m_sText = sText; |
---|
2933 | #if _TRACE |
---|
2934 | m_bDestructorTrace = bDestructorTrace; |
---|
2935 | const BOOL bConstructorTrace = pszConstructorTraceText != NULL; |
---|
2936 | if(bConstructorTrace) |
---|
2937 | _Z3(atlTraceException, 3, _T("Entering Context, %s, %s, 0x%p\n"), m_sText, CString(pszConstructorTraceText), this); |
---|
2938 | #endif // _TRACE |
---|
2939 | SetLocalErrorInfo(); |
---|
2940 | } |
---|
2941 | ~CTextErrorContext() |
---|
2942 | { |
---|
2943 | #if _TRACE |
---|
2944 | if(m_bDestructorTrace && !m_sText.IsEmpty()) |
---|
2945 | _Z2(atlTraceException, 2, _T("Leaving Context, %s, 0x%p\n"), m_sText, this); |
---|
2946 | #endif // _TRACE |
---|
2947 | Terminate(); |
---|
2948 | } |
---|
2949 | VOID Terminate() |
---|
2950 | { |
---|
2951 | if(m_pLocalErrorInfo) |
---|
2952 | { |
---|
2953 | m_pLocalErrorInfo->RemoveContext(this); |
---|
2954 | m_pLocalErrorInfo = NULL; |
---|
2955 | } |
---|
2956 | } |
---|
2957 | VOID SetText(const CString& sText) |
---|
2958 | { |
---|
2959 | m_sText = sText; |
---|
2960 | } |
---|
2961 | VOID SetDestructorTrace(BOOL bDestructorTrace) |
---|
2962 | { |
---|
2963 | #if _TRACE |
---|
2964 | m_bDestructorTrace = bDestructorTrace; |
---|
2965 | #endif // _TRACE |
---|
2966 | } |
---|
2967 | |
---|
2968 | // CErrorContext |
---|
2969 | CString GetText() |
---|
2970 | { |
---|
2971 | return m_sText; |
---|
2972 | } |
---|
2973 | }; |
---|
2974 | |
---|
2975 | //////////////////////////////////////////////////////// |
---|
2976 | // CErrorT, CReportErrorTraits, CError |
---|
2977 | // |
---|
2978 | // NOTE: Custom HRESULT producing class to additionally to communicate to current CLocalErrorInfo instance, if available |
---|
2979 | |
---|
2980 | template <typename T, typename CReportErrorTraits> |
---|
2981 | class CErrorT |
---|
2982 | { |
---|
2983 | private: |
---|
2984 | CLocalErrorInfo* m_pLocalErrorInfo; |
---|
2985 | HRESULT m_nResult; |
---|
2986 | CString m_sMessage; |
---|
2987 | |
---|
2988 | VOID AppendContextText(CString& sText) const |
---|
2989 | { |
---|
2990 | if(!m_pLocalErrorInfo) |
---|
2991 | return; |
---|
2992 | CErrorContext* pContext = m_pLocalErrorInfo->GetContext(); |
---|
2993 | if(!pContext) |
---|
2994 | return; |
---|
2995 | CRoArrayT<CString> Array; |
---|
2996 | for(; pContext; pContext = pContext->m_pPrevious) |
---|
2997 | { |
---|
2998 | const CString sText = pContext->GetText(); |
---|
2999 | if(!sText.IsEmpty()) |
---|
3000 | Array.InsertAt(0, sText); |
---|
3001 | } |
---|
3002 | if(Array.IsEmpty()) |
---|
3003 | return; |
---|
3004 | const CString sContextText = _StringHelper::Join(Array, _T("; ")); |
---|
3005 | if(!sText.IsEmpty()) |
---|
3006 | sText += AtlFormatString(_T(" [%s]"), sContextText); |
---|
3007 | else |
---|
3008 | sText = sContextText; |
---|
3009 | } |
---|
3010 | |
---|
3011 | public: |
---|
3012 | // CErrorT |
---|
3013 | static LPCTSTR GetGenericFormat() |
---|
3014 | { |
---|
3015 | return _T("Error 0x%08X"); |
---|
3016 | } |
---|
3017 | static CString FormatResult(HRESULT nResult, LPCTSTR pszGenericFormat = NULL) |
---|
3018 | { |
---|
3019 | CString sMessage = AtlFormatSystemMessage(nResult); |
---|
3020 | sMessage.TrimRight(_T("\t\n\r .")); |
---|
3021 | if(sMessage.IsEmpty() && pszGenericFormat) |
---|
3022 | sMessage = AtlFormatString(pszGenericFormat, nResult); |
---|
3023 | return sMessage; |
---|
3024 | } |
---|
3025 | static HRESULT SetErrorMessage(HRESULT nResult, LPCTSTR pszMessage) |
---|
3026 | { |
---|
3027 | CString sMessage; |
---|
3028 | if(!pszMessage || !_tcslen(pszMessage)) |
---|
3029 | { |
---|
3030 | sMessage = T::FormatResult(nResult, GetGenericFormat()); |
---|
3031 | pszMessage = sMessage; |
---|
3032 | } |
---|
3033 | return CReportErrorTraits::ReportError(nResult, pszMessage); |
---|
3034 | } |
---|
3035 | static inline VOID Throw(HRESULT nResult, LPCTSTR pszMessage = NULL, INT nLine = 0) |
---|
3036 | { |
---|
3037 | CString sText; |
---|
3038 | if(pszMessage) |
---|
3039 | sText = pszMessage; |
---|
3040 | CString sResultMessage = T::FormatResult(nResult, T::GetGenericFormat()); |
---|
3041 | if(!sResultMessage.IsEmpty() && !sText.IsEmpty()) |
---|
3042 | sText += _T(": "); |
---|
3043 | sText += sResultMessage; |
---|
3044 | if(nLine) |
---|
3045 | sText += AtlFormatString(_T(" #%d"), nLine); |
---|
3046 | AtlThrow(T(nResult, sText)); |
---|
3047 | } |
---|
3048 | static inline VOID ThrowFailed(HRESULT nResult, LPCTSTR pszMessage = NULL, INT nLine = 0) |
---|
3049 | { |
---|
3050 | if(SUCCEEDED(nResult)) |
---|
3051 | return; |
---|
3052 | CString sMessage; |
---|
3053 | if(!pszMessage && GetErrorDescription(sMessage)) |
---|
3054 | AtlThrow(T(nResult, sMessage)); |
---|
3055 | Throw(nResult, pszMessage, nLine); |
---|
3056 | } |
---|
3057 | static inline VOID ThrowFalse(BOOL bValue, LPCTSTR pszMessage = NULL, HRESULT nResult = E_UNNAMED, INT nLine = 0) |
---|
3058 | { |
---|
3059 | if(bValue) |
---|
3060 | return; |
---|
3061 | CString sMessage; |
---|
3062 | if(!pszMessage && GetErrorDescription(sMessage)) |
---|
3063 | AtlThrow(T(nResult, sMessage)); |
---|
3064 | Throw(nResult, pszMessage, nLine); |
---|
3065 | } |
---|
3066 | static inline VOID ThrowFalse(const VOID* pvValue, LPCTSTR pszMessage = NULL, HRESULT nResult = E_UNNAMED, INT nLine = 0) |
---|
3067 | { |
---|
3068 | if(pvValue) |
---|
3069 | return; |
---|
3070 | CString sMessage; |
---|
3071 | if(!pszMessage && GetErrorDescription(sMessage)) |
---|
3072 | AtlThrow(T(nResult, sMessage)); |
---|
3073 | Throw(nResult, pszMessage, nLine); |
---|
3074 | } |
---|
3075 | CErrorT(HRESULT nResult, LPCTSTR pszMessage = NULL) : |
---|
3076 | m_pLocalErrorInfo(CLocalErrorInfo::GetCurrent()), |
---|
3077 | m_nResult(nResult), |
---|
3078 | m_sMessage(pszMessage) |
---|
3079 | { |
---|
3080 | } |
---|
3081 | CErrorT(CLocalErrorInfo& LocalErrorInfo, HRESULT nResult, LPCTSTR pszMessage = NULL) : |
---|
3082 | m_pLocalErrorInfo(&LocalErrorInfo), |
---|
3083 | m_nResult(nResult), |
---|
3084 | m_sMessage(pszMessage) |
---|
3085 | { |
---|
3086 | } |
---|
3087 | HRESULT GetResult() const |
---|
3088 | { |
---|
3089 | return m_nResult; |
---|
3090 | } |
---|
3091 | operator HRESULT () const |
---|
3092 | { |
---|
3093 | const T* pT = static_cast<const T*>(this); |
---|
3094 | HRESULT nResult; |
---|
3095 | if(m_pLocalErrorInfo) |
---|
3096 | { |
---|
3097 | CString sMessage = m_sMessage; |
---|
3098 | AppendContextText(sMessage); |
---|
3099 | nResult = pT->SetErrorMessage(m_nResult, sMessage); |
---|
3100 | m_pLocalErrorInfo->Initialize(nResult); |
---|
3101 | } else |
---|
3102 | nResult = pT->SetErrorMessage(m_nResult, m_sMessage); |
---|
3103 | return nResult; |
---|
3104 | } |
---|
3105 | static CString Concatenate(SIZE_T nCount, LPCTSTR pszSeparator, LPCTSTR pszFirstMessage, ...) |
---|
3106 | { |
---|
3107 | _A(nCount > 0 && pszSeparator); |
---|
3108 | CString sMessage = pszFirstMessage; |
---|
3109 | va_list Arguments; |
---|
3110 | va_start(Arguments, pszFirstMessage); |
---|
3111 | for(SIZE_T nIndex = 1; nIndex < nCount; nIndex++) |
---|
3112 | { |
---|
3113 | LPCTSTR pszNextMessage = va_arg(Arguments, LPCTSTR); |
---|
3114 | if(!pszNextMessage || !*pszNextMessage) |
---|
3115 | continue; |
---|
3116 | if(!sMessage.IsEmpty()) |
---|
3117 | sMessage.Append(pszSeparator); |
---|
3118 | sMessage.Append(pszNextMessage); |
---|
3119 | } |
---|
3120 | va_end(Arguments); |
---|
3121 | return sMessage; |
---|
3122 | } |
---|
3123 | static INT_PTR MessageBox(HWND hParentWindow, const CLocalErrorInfo& ErrorInfo, _U_STRINGorID Caption, UINT nType = MB_ICONERROR | MB_OK) |
---|
3124 | { |
---|
3125 | CString sMessage; |
---|
3126 | const CString sGenericMessage = AtlFormatString(T::GetGenericFormat(), ErrorInfo.GetResult()); |
---|
3127 | CString sDescription = ErrorInfo.GetCurrentDescription(); |
---|
3128 | BOOL bAppendResult = TRUE; |
---|
3129 | if(sDescription.IsEmpty()) |
---|
3130 | { |
---|
3131 | sMessage = T::FormatResult(ErrorInfo.GetResult()); |
---|
3132 | if(sMessage.IsEmpty()) |
---|
3133 | { |
---|
3134 | sMessage = sGenericMessage; |
---|
3135 | bAppendResult = FALSE; |
---|
3136 | } |
---|
3137 | } else |
---|
3138 | { |
---|
3139 | sMessage = sDescription; |
---|
3140 | if(sMessage.Compare(sGenericMessage) == 0) |
---|
3141 | bAppendResult = FALSE; |
---|
3142 | } |
---|
3143 | if(bAppendResult) |
---|
3144 | sMessage.AppendFormat(_T(" (0x%08X)"), ErrorInfo.GetResult()); |
---|
3145 | return AtlMessageBoxEx(hParentWindow, (LPCTSTR) sMessage, Caption, nType); |
---|
3146 | } |
---|
3147 | }; |
---|
3148 | |
---|
3149 | class CReportErrorTraits |
---|
3150 | { |
---|
3151 | public: |
---|
3152 | // CReportErrorTraits |
---|
3153 | static HRESULT ReportError(HRESULT nResult, LPCTSTR pszMessage) |
---|
3154 | { |
---|
3155 | _A(pszMessage); |
---|
3156 | return AtlReportError(CLSID_NULL, pszMessage, 0, NULL, IID_NULL, nResult); |
---|
3157 | } |
---|
3158 | }; |
---|
3159 | |
---|
3160 | class CError : |
---|
3161 | public CErrorT<CError, CReportErrorTraits> |
---|
3162 | { |
---|
3163 | public: |
---|
3164 | // CError |
---|
3165 | CError(HRESULT nResult, LPCTSTR pszMessage = NULL) : |
---|
3166 | CErrorT<CError, CReportErrorTraits>(nResult, pszMessage) |
---|
3167 | { |
---|
3168 | } |
---|
3169 | }; |
---|
3170 | |
---|
3171 | //////////////////////////////////////////////////////// |
---|
3172 | // CExceptionErrorInfo |
---|
3173 | // |
---|
3174 | // NOTE: Converts exception into HRESULT existing from COM method, updating error information |
---|
3175 | |
---|
3176 | class CExceptionErrorInfo |
---|
3177 | { |
---|
3178 | protected: |
---|
3179 | HRESULT m_nResult; |
---|
3180 | |
---|
3181 | public: |
---|
3182 | // CExceptionErrorInfo |
---|
3183 | CExceptionErrorInfo() |
---|
3184 | { |
---|
3185 | } |
---|
3186 | CExceptionErrorInfo(HRESULT nResult, CLocalErrorInfo& LocalErrorInfo) |
---|
3187 | { |
---|
3188 | Initialize(nResult, LocalErrorInfo); |
---|
3189 | } |
---|
3190 | VOID Initialize(HRESULT nResult, CLocalErrorInfo& LocalErrorInfo) |
---|
3191 | { |
---|
3192 | LocalErrorInfo.UpdateErrorInfo(nResult); |
---|
3193 | m_nResult = nResult; |
---|
3194 | } |
---|
3195 | operator HRESULT () const |
---|
3196 | { |
---|
3197 | return m_nResult; |
---|
3198 | } |
---|
3199 | }; |
---|
3200 | |
---|
3201 | public: |
---|
3202 | // CSupportErrorInfoBase |
---|
3203 | static BOOL GetErrorInformation(CComPtr<IErrorInfo>& pErrorInfo) |
---|
3204 | { |
---|
3205 | _A(!pErrorInfo); |
---|
3206 | GetErrorInfo(0, &pErrorInfo); |
---|
3207 | return pErrorInfo != NULL; |
---|
3208 | } |
---|
3209 | static BOOL GetErrorDescription(IErrorInfo* pErrorInfo, CString& sDescription) |
---|
3210 | { |
---|
3211 | if(!pErrorInfo) |
---|
3212 | return FALSE; |
---|
3213 | CComBSTR sDescriptionW; |
---|
3214 | pErrorInfo->GetDescription(&sDescriptionW); |
---|
3215 | sDescription = CString(sDescriptionW); |
---|
3216 | return !sDescription.IsEmpty(); |
---|
3217 | } |
---|
3218 | static BOOL GetErrorDescription(CString& sMessage) |
---|
3219 | { |
---|
3220 | CComPtr<IErrorInfo> pErrorInfo; |
---|
3221 | if(!GetErrorInformation(pErrorInfo)) |
---|
3222 | return FALSE; |
---|
3223 | return GetErrorDescription(pErrorInfo, sMessage); |
---|
3224 | } |
---|
3225 | }; |
---|
3226 | |
---|
3227 | //////////////////////////////////////////////////////////// |
---|
3228 | // CSimpleSupportErrorInfoT |
---|
3229 | |
---|
3230 | template <typename T, typename _Interface> |
---|
3231 | class ATL_NO_VTABLE CSimpleSupportErrorInfoT : |
---|
3232 | public ISupportErrorInfoImpl<&__uuidof(_Interface)>, |
---|
3233 | public CSupportErrorInfoBase |
---|
3234 | { |
---|
3235 | protected: |
---|
3236 | typedef CSimpleSupportErrorInfoT<T, _Interface> CSimpleSupportErrorInfo; |
---|
3237 | |
---|
3238 | public: |
---|
3239 | |
---|
3240 | //////////////////////////////////////////////////////// |
---|
3241 | // CSupportErrorInfoReportErrorTraits, CErrorT, CError |
---|
3242 | |
---|
3243 | class CSupportErrorInfoReportErrorTraits |
---|
3244 | { |
---|
3245 | public: |
---|
3246 | // CSupportErrorInfoReportErrorTraits |
---|
3247 | static HRESULT ReportError(HRESULT nResult, LPCTSTR pszMessage) |
---|
3248 | { |
---|
3249 | _A(pszMessage); |
---|
3250 | return AtlReportError(T::GetObjectCLSID(), pszMessage, 0, NULL, __uuidof(_Interface), nResult); |
---|
3251 | } |
---|
3252 | }; |
---|
3253 | |
---|
3254 | template <typename T> |
---|
3255 | class CErrorT : |
---|
3256 | public CSupportErrorInfoBase::CErrorT<T, CSupportErrorInfoReportErrorTraits> |
---|
3257 | { |
---|
3258 | public: |
---|
3259 | // CErrorT |
---|
3260 | CErrorT(HRESULT nResult, LPCTSTR pszMessage = NULL) : |
---|
3261 | CSupportErrorInfoBase::CErrorT<T, CSupportErrorInfoReportErrorTraits>(nResult, pszMessage) |
---|
3262 | { |
---|
3263 | } |
---|
3264 | CErrorT(CLocalErrorInfo& LocalErrorInfo, HRESULT nResult, LPCTSTR pszMessage = NULL) : |
---|
3265 | CSupportErrorInfoBase::CErrorT<T, CSupportErrorInfoReportErrorTraits>(LocalErrorInfo, nResult, pszMessage) |
---|
3266 | { |
---|
3267 | } |
---|
3268 | }; |
---|
3269 | |
---|
3270 | class CError : |
---|
3271 | public CErrorT<CError> |
---|
3272 | { |
---|
3273 | public: |
---|
3274 | // CError |
---|
3275 | CError(HRESULT nResult, LPCTSTR pszMessage = NULL) : |
---|
3276 | CErrorT<CError>(nResult, pszMessage) |
---|
3277 | { |
---|
3278 | } |
---|
3279 | }; |
---|
3280 | |
---|
3281 | public: |
---|
3282 | // CSimpleSupportErrorInfoT |
---|
3283 | //static HRESULT SetErrorInfo(HRESULT nResult, LPCTSTR pszMessage) |
---|
3284 | //{ |
---|
3285 | // return CSupportErrorInfoReportErrorTraits::ReportError(nResult, pszMessage); |
---|
3286 | //} |
---|
3287 | }; |
---|
3288 | |
---|
3289 | __declspec(selectany) CRoListT<CSupportErrorInfoBase::CLocalErrorInfo*>* CSupportErrorInfoBase::CLocalErrorInfo::g_pList = NULL; |
---|
3290 | |
---|
3291 | //template <typename T, typename _Interface> |
---|
3292 | //__declspec(selectany) CRoListT<typename CSimpleSupportErrorInfoT<T, _Interface>::CLocalErrorInfo*>* CSimpleSupportErrorInfoT<T, _Interface>::CLocalErrorInfo::g_pList = NULL; |
---|
3293 | |
---|
3294 | //////////////////////////////////////////////////////////// |
---|
3295 | // CMsAccurateFileTime |
---|
3296 | |
---|
3297 | class CMsAccurateFileTime |
---|
3298 | { |
---|
3299 | private: |
---|
3300 | |
---|
3301 | public: |
---|
3302 | // CMsAccurateFileTime |
---|
3303 | static ULONGLONG IntegerFromFileTime(const FILETIME& FileTime) throw() |
---|
3304 | { |
---|
3305 | return ((ULONGLONG) FileTime.dwHighDateTime << 32) + FileTime.dwLowDateTime; |
---|
3306 | } |
---|
3307 | static ULONGLONG GetTime() throw() |
---|
3308 | { |
---|
3309 | FILETIME AnchorFileTime; |
---|
3310 | GetSystemTimeAsFileTime(&AnchorFileTime); |
---|
3311 | return IntegerFromFileTime(AnchorFileTime); |
---|
3312 | } |
---|
3313 | }; |
---|
3314 | |
---|
3315 | //////////////////////////////////////////////////////////// |
---|
3316 | // CUsAccurateFileTime |
---|
3317 | |
---|
3318 | class CUsAccurateFileTime |
---|
3319 | { |
---|
3320 | private: |
---|
3321 | static const ULONGLONG g_nFileTimeFrequency = 1000 * 10000; // 100 ns units |
---|
3322 | static CUsAccurateFileTime g_Instance; |
---|
3323 | mutable CRoReaderWriterLock m_DataReaderWriterLock; |
---|
3324 | ULONGLONG m_nCurrentFrequency; |
---|
3325 | ULONGLONG m_nAnchorCounter; |
---|
3326 | ULONGLONG m_nAnchorFileTime; |
---|
3327 | |
---|
3328 | static ULONGLONG IntegerFromFileTime(const FILETIME& FileTime) throw() |
---|
3329 | { |
---|
3330 | return CMsAccurateFileTime::IntegerFromFileTime(FileTime); |
---|
3331 | } |
---|
3332 | ULONGLONG InternalGetTime() throw() |
---|
3333 | { |
---|
3334 | static const ULONGLONG g_nSynchronizationInterval = 20 * 60; // 20 minutes |
---|
3335 | const ULONGLONG nCounter = GetBaseCounter(); |
---|
3336 | ULONGLONG nRelativeCounter; |
---|
3337 | ULONGLONG nUnsynchronizedFileTime; |
---|
3338 | { |
---|
3339 | CRoReaderWriterLockSharedLock DataLock(m_DataReaderWriterLock); |
---|
3340 | nRelativeCounter = nCounter - m_nAnchorCounter; |
---|
3341 | nUnsynchronizedFileTime = m_nAnchorFileTime + (nRelativeCounter * g_nFileTimeFrequency) / m_nCurrentFrequency; |
---|
3342 | if(nRelativeCounter < g_nSynchronizationInterval * m_nFrequency) |
---|
3343 | return nUnsynchronizedFileTime; |
---|
3344 | } |
---|
3345 | FILETIME FileTime; |
---|
3346 | GetSystemTimeAsFileTime(&FileTime); |
---|
3347 | const ULONGLONG nFileTime = IntegerFromFileTime(FileTime); |
---|
3348 | CRoReaderWriterLockExclusiveLock DataLock(m_DataReaderWriterLock); |
---|
3349 | ULONGLONG nFrequency = (g_nFileTimeFrequency * nRelativeCounter) / (nFileTime - m_nAnchorFileTime); |
---|
3350 | #pragma region Warn if currency frequency goes into unexpected range |
---|
3351 | const UINT nRelativeFrequency = (UINT) ((nFrequency * 128) / m_nFrequency); |
---|
3352 | if(nRelativeFrequency < (128 - 12) || nRelativeFrequency > (128 + 12)) |
---|
3353 | { |
---|
3354 | _Z2(atlTraceGeneral, 2, _T("Current frequency is out of reasonable range, m_nFrequency %I64d, m_nCurrentFrequency %I64d, nFrequency %I64d, nRelativeFrequency %d\n"), m_nFrequency, m_nCurrentFrequency, nFrequency, nRelativeFrequency); |
---|
3355 | if(nFrequency < (128 - 16) * m_nFrequency / 128) |
---|
3356 | nFrequency = (128 - 16) * m_nFrequency / 128; |
---|
3357 | else if(nFrequency > (128 + 16) * m_nFrequency / 128) |
---|
3358 | nFrequency = (128 + 16) * m_nFrequency / 128; |
---|
3359 | } |
---|
3360 | #pragma endregion |
---|
3361 | m_nAnchorCounter = nCounter; |
---|
3362 | m_nAnchorFileTime = nUnsynchronizedFileTime; |
---|
3363 | m_nCurrentFrequency = nFrequency; |
---|
3364 | return nUnsynchronizedFileTime; |
---|
3365 | } |
---|
3366 | |
---|
3367 | public: |
---|
3368 | const ULONGLONG m_nFrequency; |
---|
3369 | |
---|
3370 | public: |
---|
3371 | // CUsAccurateFileTime |
---|
3372 | static ULONGLONG GetBaseFrequency() throw() |
---|
3373 | { |
---|
3374 | LARGE_INTEGER Frequency; |
---|
3375 | _W(QueryPerformanceFrequency(&Frequency)); |
---|
3376 | return (ULONGLONG) Frequency.QuadPart; |
---|
3377 | } |
---|
3378 | static ULONGLONG GetBaseCounter() throw() |
---|
3379 | { |
---|
3380 | LARGE_INTEGER Counter; |
---|
3381 | _W(QueryPerformanceCounter(&Counter)); |
---|
3382 | return (ULONGLONG) Counter.QuadPart; |
---|
3383 | } |
---|
3384 | static ULONGLONG GetTime() throw() |
---|
3385 | { |
---|
3386 | return g_Instance.InternalGetTime(); |
---|
3387 | } |
---|
3388 | CUsAccurateFileTime() throw() : |
---|
3389 | m_nFrequency(GetBaseFrequency()) |
---|
3390 | { |
---|
3391 | _A(m_nFrequency > 0); |
---|
3392 | m_nCurrentFrequency = m_nFrequency; |
---|
3393 | m_nAnchorCounter = GetBaseCounter(); |
---|
3394 | FILETIME AnchorFileTime; |
---|
3395 | GetSystemTimeAsFileTime(&AnchorFileTime); |
---|
3396 | m_nAnchorFileTime = IntegerFromFileTime(AnchorFileTime); |
---|
3397 | } |
---|
3398 | }; |
---|
3399 | |
---|
3400 | __declspec(selectany) CUsAccurateFileTime CUsAccurateFileTime::g_Instance; |
---|
3401 | |
---|