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

   1 //  srw_lock.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_SRW_LOCK_HPP
  11 #define BOOST_DETAIL_WINAPI_SRW_LOCK_HPP
  12
  13 #include <boost/detail/winapi/config.hpp>
  14
  15 #ifdef BOOST_HAS_PRAGMA_ONCE
  16 #pragma once
  17 #endif
  18
  19 #if BOOST_USE_WINAPI_VERSION < BOOST_WINAPI_VERSION_WIN6 \
  20     || (defined(_MSC_VER) && _MSC_VER < 1600)
  21 // Windows SDK 6.0A, which is used by MSVC 9, does not have TryAcquireSRWLock* neither in headers nor in .lib files,
  22 // although the functions are present in later SDKs since Windows API version 6.
  23 #define BOOST_WINAPI_NO_TRY_ACQUIRE_SRWLOCK
  24 #endif
  25
  26 #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
  27
  28 #include <boost/detail/winapi/basic_types.hpp>
  29
  30 #if !defined( BOOST_USE_WINDOWS_H )
  31 extern "C" {
  32 struct _RTL_SRWLOCK;
  33
  34 BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
  35 InitializeSRWLock(::_RTL_SRWLOCK* SRWLock);
  36
  37 BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
  38 ReleaseSRWLockExclusive(::_RTL_SRWLOCK* SRWLock);
  39
  40 BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
  41 ReleaseSRWLockShared(::_RTL_SRWLOCK* SRWLock);
  42
  43 BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
  44 AcquireSRWLockExclusive(::_RTL_SRWLOCK* SRWLock);
  45
  46 BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
  47 AcquireSRWLockShared(::_RTL_SRWLOCK* SRWLock);
  48
  49 #if !defined( BOOST_WINAPI_NO_TRY_ACQUIRE_SRWLOCK )
  50 BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOLEAN_ WINAPI
  51 TryAcquireSRWLockExclusive(::_RTL_SRWLOCK* SRWLock);
  52
  53 BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOLEAN_ WINAPI
  54 TryAcquireSRWLockShared(::_RTL_SRWLOCK* SRWLock);
  55 #endif
  56 }
  57 #endif
  58
  59 namespace boost {
  60 namespace detail {
  61 namespace winapi {
  62
  63 typedef struct BOOST_DETAIL_WINAPI_MAY_ALIAS _RTL_SRWLOCK {
  64     PVOID_ Ptr;
  65 } SRWLOCK_, *PSRWLOCK_;
  66
  67 #if defined( BOOST_USE_WINDOWS_H )
  68 #define BOOST_DETAIL_WINAPI_SRWLOCK_INIT SRWLOCK_INIT
  69 #else
  70 #define BOOST_DETAIL_WINAPI_SRWLOCK_INIT {0}
  71 #endif
  72
  73 BOOST_FORCEINLINE VOID_ InitializeSRWLock(PSRWLOCK_ SRWLock)
  74 {
  75     ::InitializeSRWLock(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
  76 }
  77
  78 BOOST_FORCEINLINE VOID_ ReleaseSRWLockExclusive(PSRWLOCK_ SRWLock)
  79 {
  80     ::ReleaseSRWLockExclusive(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
  81 }
  82
  83 BOOST_FORCEINLINE VOID_ ReleaseSRWLockShared(PSRWLOCK_ SRWLock)
  84 {
  85     ::ReleaseSRWLockShared(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
  86 }
  87
  88 BOOST_FORCEINLINE VOID_ AcquireSRWLockExclusive(PSRWLOCK_ SRWLock)
  89 {
  90     ::AcquireSRWLockExclusive(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
  91 }
  92
  93 BOOST_FORCEINLINE VOID_ AcquireSRWLockShared(PSRWLOCK_ SRWLock)
  94 {
  95     ::AcquireSRWLockShared(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
  96 }
  97
  98 #if !defined( BOOST_WINAPI_NO_TRY_ACQUIRE_SRWLOCK )
  99 BOOST_FORCEINLINE BOOLEAN_ TryAcquireSRWLockExclusive(PSRWLOCK_ SRWLock)
 100 {
 101     return ::TryAcquireSRWLockExclusive(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
 102 }
 103
 104 BOOST_FORCEINLINE BOOLEAN_ TryAcquireSRWLockShared(PSRWLOCK_ SRWLock)
 105 {
 106     return ::TryAcquireSRWLockShared(reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock));
 107 }
 108 #endif
 109
 110 }
 111 }
 112 }
 113
 114 #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
 115
 116 #endif // BOOST_DETAIL_WINAPI_SRW_LOCK_HPP