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