ceph/src/boost/boost/winapi/critical_section.hpp

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