critical_section.hpp 8.0 KB

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  1. /*
  2. * Copyright 2010 Vicente J. Botet Escriba
  3. * Copyright 2015 Andrey Semashev
  4. *
  5. * Distributed under the Boost Software License, Version 1.0.
  6. * See http://www.boost.org/LICENSE_1_0.txt
  7. */
  8. #ifndef BOOST_WINAPI_CRITICAL_SECTION_HPP_INCLUDED_
  9. #define BOOST_WINAPI_CRITICAL_SECTION_HPP_INCLUDED_
  10. #include <boost/winapi/basic_types.hpp>
  11. #include <boost/winapi/detail/cast_ptr.hpp>
  12. #include <boost/winapi/detail/header.hpp>
  13. #ifdef BOOST_HAS_PRAGMA_ONCE
  14. #pragma once
  15. #endif
  16. #if !defined(BOOST_USE_WINDOWS_H)
  17. extern "C" {
  18. #if !defined(BOOST_WINAPI_IS_MINGW)
  19. // Windows CE uses a different name for the structure
  20. #if defined(_WIN32_WCE)
  21. struct CRITICAL_SECTION;
  22. namespace boost {
  23. namespace winapi {
  24. namespace detail {
  25. typedef ::CRITICAL_SECTION winsdk_critical_section;
  26. }
  27. }
  28. }
  29. #else
  30. struct _RTL_CRITICAL_SECTION;
  31. namespace boost {
  32. namespace winapi {
  33. namespace detail {
  34. typedef ::_RTL_CRITICAL_SECTION winsdk_critical_section;
  35. }
  36. }
  37. }
  38. #endif
  39. #else // !defined(BOOST_WINAPI_IS_MINGW)
  40. // MinGW uses a different name for the structure
  41. struct _CRITICAL_SECTION;
  42. namespace boost {
  43. namespace winapi {
  44. namespace detail {
  45. typedef ::_CRITICAL_SECTION winapi_critical_section;
  46. }
  47. }
  48. }
  49. #endif // !defined(BOOST_WINAPI_IS_MINGW)
  50. #if !defined(BOOST_WINAPI_IS_MINGW)
  51. #if BOOST_WINAPI_PARTITION_APP_SYSTEM
  52. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  53. InitializeCriticalSection(boost::winapi::detail::winsdk_critical_section* lpCriticalSection);
  54. #endif
  55. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  56. EnterCriticalSection(boost::winapi::detail::winsdk_critical_section* lpCriticalSection);
  57. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  58. LeaveCriticalSection(boost::winapi::detail::winsdk_critical_section* lpCriticalSection);
  59. #if BOOST_USE_WINAPI_VERSION >= 0x0403
  60. #if BOOST_WINAPI_PARTITION_APP_SYSTEM
  61. BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  62. InitializeCriticalSectionAndSpinCount(
  63. boost::winapi::detail::winsdk_critical_section* lpCriticalSection,
  64. boost::winapi::DWORD_ dwSpinCount);
  65. BOOST_WINAPI_IMPORT boost::winapi::DWORD_ BOOST_WINAPI_WINAPI_CC
  66. SetCriticalSectionSpinCount(
  67. boost::winapi::detail::winsdk_critical_section* lpCriticalSection,
  68. boost::winapi::DWORD_ dwSpinCount);
  69. #endif
  70. #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  71. BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  72. InitializeCriticalSectionEx(
  73. boost::winapi::detail::winsdk_critical_section* lpCriticalSection,
  74. boost::winapi::DWORD_ dwSpinCount,
  75. boost::winapi::DWORD_ Flags);
  76. #endif
  77. #endif
  78. #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
  79. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  80. TryEnterCriticalSection(boost::winapi::detail::winsdk_critical_section* lpCriticalSection);
  81. #endif
  82. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  83. DeleteCriticalSection(boost::winapi::detail::winsdk_critical_section* lpCriticalSection);
  84. #else // !defined(BOOST_WINAPI_IS_MINGW)
  85. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  86. InitializeCriticalSection(boost::winapi::detail::winapi_critical_section* lpCriticalSection);
  87. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  88. EnterCriticalSection(boost::winapi::detail::winapi_critical_section* lpCriticalSection);
  89. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  90. LeaveCriticalSection(boost::winapi::detail::winapi_critical_section* lpCriticalSection);
  91. #if BOOST_USE_WINAPI_VERSION >= 0x0403
  92. BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  93. InitializeCriticalSectionAndSpinCount(
  94. boost::winapi::detail::winapi_critical_section* lpCriticalSection,
  95. boost::winapi::DWORD_ dwSpinCount);
  96. BOOST_WINAPI_IMPORT boost::winapi::DWORD_ BOOST_WINAPI_WINAPI_CC
  97. SetCriticalSectionSpinCount(
  98. boost::winapi::detail::winapi_critical_section* lpCriticalSection,
  99. boost::winapi::DWORD_ dwSpinCount);
  100. #endif
  101. #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
  102. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  103. TryEnterCriticalSection(boost::winapi::detail::winapi_critical_section* lpCriticalSection);
  104. #endif
  105. BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
  106. DeleteCriticalSection(boost::winapi::detail::winapi_critical_section* lpCriticalSection);
  107. #endif // !defined(BOOST_WINAPI_IS_MINGW)
  108. } // extern "C"
  109. #endif // !defined(BOOST_USE_WINDOWS_H)
  110. #if defined(BOOST_WINAPI_IS_MINGW) && BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  111. // MinGW is missing declaration for InitializeCriticalSectionEx in Windows SDK headers
  112. extern "C" {
  113. BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  114. InitializeCriticalSectionEx(
  115. _CRITICAL_SECTION* lpCriticalSection,
  116. boost::winapi::DWORD_ dwSpinCount,
  117. boost::winapi::DWORD_ Flags);
  118. } // extern "C"
  119. #endif // defined(BOOST_WINAPI_IS_MINGW) && BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  120. namespace boost {
  121. namespace winapi {
  122. #pragma pack(push, 8)
  123. #if !defined(_WIN32_WCE)
  124. struct _RTL_CRITICAL_SECTION_DEBUG;
  125. typedef struct BOOST_MAY_ALIAS _RTL_CRITICAL_SECTION {
  126. _RTL_CRITICAL_SECTION_DEBUG* DebugInfo;
  127. LONG_ LockCount;
  128. LONG_ RecursionCount;
  129. HANDLE_ OwningThread;
  130. HANDLE_ LockSemaphore;
  131. ULONG_PTR_ SpinCount;
  132. } CRITICAL_SECTION_, *PCRITICAL_SECTION_;
  133. #else
  134. // Windows CE has different layout
  135. typedef struct BOOST_MAY_ALIAS CRITICAL_SECTION {
  136. unsigned int LockCount;
  137. HANDLE OwnerThread;
  138. HANDLE hCrit;
  139. DWORD needtrap;
  140. DWORD dwContentions;
  141. } CRITICAL_SECTION_, *LPCRITICAL_SECTION_;
  142. #endif
  143. #pragma pack(pop)
  144. #if BOOST_WINAPI_PARTITION_APP_SYSTEM
  145. BOOST_FORCEINLINE VOID_ InitializeCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
  146. {
  147. ::InitializeCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
  148. }
  149. #endif
  150. BOOST_FORCEINLINE VOID_ EnterCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
  151. {
  152. ::EnterCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
  153. }
  154. BOOST_FORCEINLINE VOID_ LeaveCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
  155. {
  156. ::LeaveCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
  157. }
  158. #if BOOST_USE_WINAPI_VERSION >= 0x0403
  159. #if BOOST_WINAPI_PARTITION_APP_SYSTEM
  160. BOOST_FORCEINLINE BOOL_ InitializeCriticalSectionAndSpinCount(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount)
  161. {
  162. return ::InitializeCriticalSectionAndSpinCount(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount);
  163. }
  164. BOOST_FORCEINLINE DWORD_ SetCriticalSectionSpinCount(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount)
  165. {
  166. return ::SetCriticalSectionSpinCount(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount);
  167. }
  168. #endif
  169. // CRITICAL_SECTION_NO_DEBUG_INFO is defined for WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
  170. BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_NO_DEBUG_INFO_ = 0x01000000;
  171. BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_FLAG_NO_DEBUG_INFO_ = CRITICAL_SECTION_NO_DEBUG_INFO_;
  172. BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_FLAG_DYNAMIC_SPIN_ = 0x02000000; // undocumented
  173. BOOST_CONSTEXPR_OR_CONST DWORD_ CRITICAL_SECTION_FLAG_STATIC_INIT_ = 0x04000000; // undocumented
  174. #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  175. BOOST_FORCEINLINE BOOL_ InitializeCriticalSectionEx(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount, DWORD_ Flags)
  176. {
  177. return ::InitializeCriticalSectionEx(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount, Flags);
  178. }
  179. #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  180. #endif // BOOST_USE_WINAPI_VERSION >= 0x0403
  181. #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
  182. BOOST_FORCEINLINE BOOL_ TryEnterCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
  183. {
  184. return ::TryEnterCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
  185. }
  186. #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
  187. BOOST_FORCEINLINE VOID_ DeleteCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
  188. {
  189. ::DeleteCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
  190. }
  191. }
  192. }
  193. #include <boost/winapi/detail/footer.hpp>
  194. #endif // BOOST_WINAPI_CRITICAL_SECTION_HPP_INCLUDED_