ceph/src/boost/boost/winapi/semaphore.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_SEMAPHORE_HPP_INCLUDED_
  10 #define BOOST_WINAPI_SEMAPHORE_HPP_INCLUDED_
  11
  12 #include <boost/winapi/basic_types.hpp>
  13 #include <boost/winapi/detail/header.hpp>
  14
  15 #ifdef BOOST_HAS_PRAGMA_ONCE
  16 #pragma once
  17 #endif
  18
  19 #if !defined( BOOST_USE_WINDOWS_H )
  20 extern "C" {
  21
  22 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
  23 #if !defined( BOOST_NO_ANSI_APIS )
  24
  25 BOOST_WINAPI_IMPORT boost::winapi::HANDLE_ BOOST_WINAPI_WINAPI_CC
  26 CreateSemaphoreA(
  27     ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
  28     boost::winapi::LONG_ lInitialCount,
  29     boost::winapi::LONG_ lMaximumCount,
  30     boost::winapi::LPCSTR_ lpName);
  31
  32 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  33 BOOST_WINAPI_IMPORT boost::winapi::HANDLE_ BOOST_WINAPI_WINAPI_CC
  34 CreateSemaphoreExA(
  35     ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
  36     boost::winapi::LONG_ lInitialCount,
  37     boost::winapi::LONG_ lMaximumCount,
  38     boost::winapi::LPCSTR_ lpName,
  39     boost::winapi::DWORD_ dwFlags,
  40     boost::winapi::DWORD_ dwDesiredAccess);
  41 #endif
  42
  43 #endif // !defined( BOOST_NO_ANSI_APIS )
  44
  45 BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::HANDLE_ BOOST_WINAPI_WINAPI_CC
  46 CreateSemaphoreW(
  47     ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
  48     boost::winapi::LONG_ lInitialCount,
  49     boost::winapi::LONG_ lMaximumCount,
  50     boost::winapi::LPCWSTR_ lpName);
  51
  52 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  53 BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::HANDLE_ BOOST_WINAPI_WINAPI_CC
  54 CreateSemaphoreExW(
  55     ::_SECURITY_ATTRIBUTES* lpSemaphoreAttributes,
  56     boost::winapi::LONG_ lInitialCount,
  57     boost::winapi::LONG_ lMaximumCount,
  58     boost::winapi::LPCWSTR_ lpName,
  59     boost::winapi::DWORD_ dwFlags,
  60     boost::winapi::DWORD_ dwDesiredAccess);
  61 #endif
  62
  63 BOOST_WINAPI_IMPORT_EXCEPT_WM boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
  64 ReleaseSemaphore(
  65     boost::winapi::HANDLE_ hSemaphore,
  66     boost::winapi::LONG_ lReleaseCount,
  67     boost::winapi::LPLONG_ lpPreviousCount);
  68
  69 #endif // BOOST_WINAPI_PARTITION_APP_SYSTEM
  70
  71 #if BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
  72
  73 #if !defined( BOOST_NO_ANSI_APIS )
  74 BOOST_WINAPI_IMPORT boost::winapi::HANDLE_ BOOST_WINAPI_WINAPI_CC
  75 OpenSemaphoreA(
  76     boost::winapi::DWORD_ dwDesiredAccess,
  77     boost::winapi::BOOL_ bInheritHandle,
  78     boost::winapi::LPCSTR_ lpName);
  79 #endif // !defined( BOOST_NO_ANSI_APIS )
  80
  81 BOOST_WINAPI_IMPORT boost::winapi::HANDLE_ BOOST_WINAPI_WINAPI_CC
  82 OpenSemaphoreW(
  83     boost::winapi::DWORD_ dwDesiredAccess,
  84     boost::winapi::BOOL_ bInheritHandle,
  85     boost::winapi::LPCWSTR_ lpName);
  86
  87 #endif // BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
  88
  89 } // extern "C"
  90 #endif // !defined( BOOST_USE_WINDOWS_H )
  91
  92 namespace boost {
  93 namespace winapi {
  94
  95 #if BOOST_WINAPI_PARTITION_APP_SYSTEM
  96
  97 using ::ReleaseSemaphore;
  98
  99 #if defined( BOOST_USE_WINDOWS_H )
 100
 101 BOOST_CONSTEXPR_OR_CONST DWORD_ SEMAPHORE_ALL_ACCESS_ = SEMAPHORE_ALL_ACCESS;
 102 BOOST_CONSTEXPR_OR_CONST DWORD_ SEMAPHORE_MODIFY_STATE_ = SEMAPHORE_MODIFY_STATE;
 103
 104 #else // defined( BOOST_USE_WINDOWS_H )
 105
 106 BOOST_CONSTEXPR_OR_CONST DWORD_ SEMAPHORE_ALL_ACCESS_ = 0x001F0003;
 107 BOOST_CONSTEXPR_OR_CONST DWORD_ SEMAPHORE_MODIFY_STATE_ = 0x00000002;
 108
 109 #endif // defined( BOOST_USE_WINDOWS_H )
 110
 111 // Undocumented and not present in Windows SDK. Enables NtQuerySemaphore.
 112 // http://undocumented.ntinternals.net/index.html?page=UserMode%2FUndocumented%20Functions%2FNT%20Objects%2FEvent%2FNtQueryEvent.html
 113 BOOST_CONSTEXPR_OR_CONST DWORD_ SEMAPHORE_QUERY_STATE_ = 0x00000001;
 114
 115 BOOST_CONSTEXPR_OR_CONST DWORD_ semaphore_all_access = SEMAPHORE_ALL_ACCESS_;
 116 BOOST_CONSTEXPR_OR_CONST DWORD_ semaphore_modify_state = SEMAPHORE_MODIFY_STATE_;
 117
 118
 119 #if !defined( BOOST_NO_ANSI_APIS )
 120 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreA(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCSTR_ lpName)
 121 {
 122     return ::CreateSemaphoreA(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName);
 123 }
 124
 125 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
 126 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreExA(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCSTR_ lpName, DWORD_ dwFlags, DWORD_ dwDesiredAccess)
 127 {
 128     return ::CreateSemaphoreExA(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName, dwFlags, dwDesiredAccess);
 129 }
 130 #endif
 131 #endif // !defined( BOOST_NO_ANSI_APIS )
 132
 133 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreW(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCWSTR_ lpName)
 134 {
 135     return ::CreateSemaphoreW(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName);
 136 }
 137
 138 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
 139 BOOST_FORCEINLINE HANDLE_ CreateSemaphoreExW(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCWSTR_ lpName, DWORD_ dwFlags, DWORD_ dwDesiredAccess)
 140 {
 141     return ::CreateSemaphoreExW(reinterpret_cast< ::_SECURITY_ATTRIBUTES* >(lpSemaphoreAttributes), lInitialCount, lMaximumCount, lpName, dwFlags, dwDesiredAccess);
 142 }
 143 #endif
 144
 145 #if !defined( BOOST_NO_ANSI_APIS )
 146 BOOST_FORCEINLINE HANDLE_ create_semaphore(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCSTR_ lpName)
 147 {
 148     return winapi::CreateSemaphoreA(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
 149 }
 150 #endif
 151
 152 BOOST_FORCEINLINE HANDLE_ create_semaphore(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount, LPCWSTR_ lpName)
 153 {
 154     return winapi::CreateSemaphoreW(lpSemaphoreAttributes, lInitialCount, lMaximumCount, lpName);
 155 }
 156
 157 BOOST_FORCEINLINE HANDLE_ create_anonymous_semaphore(SECURITY_ATTRIBUTES_* lpSemaphoreAttributes, LONG_ lInitialCount, LONG_ lMaximumCount)
 158 {
 159     return winapi::CreateSemaphoreW(lpSemaphoreAttributes, lInitialCount, lMaximumCount, 0);
 160 }
 161
 162 #endif // BOOST_WINAPI_PARTITION_APP_SYSTEM
 163
 164 #if BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
 165
 166 #if !defined( BOOST_NO_ANSI_APIS )
 167 using ::OpenSemaphoreA;
 168
 169 BOOST_FORCEINLINE HANDLE_ open_semaphore(DWORD_ dwDesiredAccess, BOOL_ bInheritHandle, LPCSTR_ lpName)
 170 {
 171     return ::OpenSemaphoreA(dwDesiredAccess, bInheritHandle, lpName);
 172 }
 173 #endif // !defined( BOOST_NO_ANSI_APIS )
 174
 175 using ::OpenSemaphoreW;
 176
 177 BOOST_FORCEINLINE HANDLE_ open_semaphore(DWORD_ dwDesiredAccess, BOOL_ bInheritHandle, LPCWSTR_ lpName)
 178 {
 179     return ::OpenSemaphoreW(dwDesiredAccess, bInheritHandle, lpName);
 180 }
 181
 182 #endif // BOOST_WINAPI_PARTITION_DESKTOP_SYSTEM
 183
 184 }
 185 }
 186
 187 #include <boost/winapi/detail/footer.hpp>
 188
 189 #endif // BOOST_WINAPI_SEMAPHORE_HPP_INCLUDED_