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// critical_section.hpp --------------------------------------------------------------//
// Copyright 2010 Vicente J. Botet Escriba
// Copyright 2015 Andrey Semashev
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_DETAIL_WINAPI_CRITICAL_SECTION_HPP
#define BOOST_DETAIL_WINAPI_CRITICAL_SECTION_HPP
#include <boost/detail/winapi/basic_types.hpp>
#include <boost/detail/winapi/detail/cast_ptr.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
#if !defined( BOOST_USE_WINDOWS_H )
extern "C" {
#if !defined( BOOST_WINAPI_IS_MINGW )
struct _RTL_CRITICAL_SECTION;
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
InitializeCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
EnterCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
LeaveCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
#if BOOST_USE_WINAPI_VERSION >= 0x0403
BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
InitializeCriticalSectionAndSpinCount(
::_RTL_CRITICAL_SECTION* lpCriticalSection,
boost::detail::winapi::DWORD_ dwSpinCount);
#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
InitializeCriticalSectionEx(
::_RTL_CRITICAL_SECTION* lpCriticalSection,
boost::detail::winapi::DWORD_ dwSpinCount,
boost::detail::winapi::DWORD_ Flags);
#endif
BOOST_SYMBOL_IMPORT boost::detail::winapi::DWORD_ WINAPI
SetCriticalSectionSpinCount(
::_RTL_CRITICAL_SECTION* lpCriticalSection,
boost::detail::winapi::DWORD_ dwSpinCount);
#endif
#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
TryEnterCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
#endif
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
DeleteCriticalSection(::_RTL_CRITICAL_SECTION* lpCriticalSection);
#else // defined( BOOST_WINAPI_IS_MINGW )
// MinGW uses a different name for the structure
struct _CRITICAL_SECTION;
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
InitializeCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
EnterCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
LeaveCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
#if BOOST_USE_WINAPI_VERSION >= 0x0403
BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
InitializeCriticalSectionAndSpinCount(
::_CRITICAL_SECTION* lpCriticalSection,
boost::detail::winapi::DWORD_ dwSpinCount);
#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
InitializeCriticalSectionEx(
::_CRITICAL_SECTION* lpCriticalSection,
boost::detail::winapi::DWORD_ dwSpinCount,
boost::detail::winapi::DWORD_ Flags);
#endif
BOOST_SYMBOL_IMPORT boost::detail::winapi::DWORD_ WINAPI
SetCriticalSectionSpinCount(
::_CRITICAL_SECTION* lpCriticalSection,
boost::detail::winapi::DWORD_ dwSpinCount);
#endif
#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
BOOST_SYMBOL_IMPORT boost::detail::winapi::BOOL_ WINAPI
TryEnterCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
#endif
BOOST_SYMBOL_IMPORT boost::detail::winapi::VOID_ WINAPI
DeleteCriticalSection(::_CRITICAL_SECTION* lpCriticalSection);
#endif // defined( BOOST_WINAPI_IS_MINGW )
}
#endif
namespace boost {
namespace detail {
namespace winapi {
struct _RTL_CRITICAL_SECTION_DEBUG;
#pragma pack(push, 8)
typedef struct BOOST_DETAIL_WINAPI_MAY_ALIAS _RTL_CRITICAL_SECTION {
_RTL_CRITICAL_SECTION_DEBUG* DebugInfo;
LONG_ LockCount;
LONG_ RecursionCount;
HANDLE_ OwningThread;
HANDLE_ LockSemaphore;
ULONG_PTR_ SpinCount;
} CRITICAL_SECTION_, *PCRITICAL_SECTION_;
#pragma pack(pop)
BOOST_FORCEINLINE VOID_ InitializeCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
{
::InitializeCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
}
BOOST_FORCEINLINE VOID_ EnterCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
{
::EnterCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
}
BOOST_FORCEINLINE VOID_ LeaveCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
{
::LeaveCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
}
#if BOOST_USE_WINAPI_VERSION >= 0x0403
BOOST_FORCEINLINE BOOL_ InitializeCriticalSectionAndSpinCount(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount)
{
return ::InitializeCriticalSectionAndSpinCount(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount);
}
// CRITICAL_SECTION_NO_DEBUG_INFO is defined for WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
const DWORD_ CRITICAL_SECTION_NO_DEBUG_INFO_ = 0x01000000;
const DWORD_ CRITICAL_SECTION_FLAG_NO_DEBUG_INFO_ = CRITICAL_SECTION_NO_DEBUG_INFO_;
const DWORD_ CRITICAL_SECTION_FLAG_DYNAMIC_SPIN_ = 0x02000000; // undocumented
const DWORD_ CRITICAL_SECTION_FLAG_STATIC_INIT_ = 0x04000000; // undocumented
#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
BOOST_FORCEINLINE BOOL_ InitializeCriticalSectionEx(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount, DWORD_ Flags)
{
return ::InitializeCriticalSectionEx(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount, Flags);
}
#endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6
BOOST_FORCEINLINE DWORD_ SetCriticalSectionSpinCount(CRITICAL_SECTION_* lpCriticalSection, DWORD_ dwSpinCount)
{
return ::SetCriticalSectionSpinCount(winapi::detail::cast_ptr(lpCriticalSection), dwSpinCount);
}
#endif // BOOST_USE_WINAPI_VERSION >= 0x0403
#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
BOOST_FORCEINLINE BOOL_ TryEnterCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
{
return ::TryEnterCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
}
#endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_NT4
BOOST_FORCEINLINE VOID_ DeleteCriticalSection(CRITICAL_SECTION_* lpCriticalSection)
{
::DeleteCriticalSection(winapi::detail::cast_ptr(lpCriticalSection));
}
}
}
}
#endif // BOOST_DETAIL_WINAPI_CRITICAL_SECTION_HPP
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