ceph/src/boost/libs/winapi/include/boost/detail/winapi/critical_section.hpp

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