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Filename : condition_variable.hpp
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/*
 * 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_WINAPI_CONDITION_VARIABLE_HPP_INCLUDED_
#define BOOST_WINAPI_CONDITION_VARIABLE_HPP_INCLUDED_

#include <boost/winapi/config.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

#if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6

#include <boost/winapi/basic_types.hpp>
#include <boost/winapi/detail/header.hpp>

#if !defined( BOOST_USE_WINDOWS_H )
extern "C" {
struct _RTL_CONDITION_VARIABLE;
struct _RTL_CRITICAL_SECTION;
struct _RTL_SRWLOCK;

BOOST_WINAPI_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
InitializeConditionVariable(::_RTL_CONDITION_VARIABLE* ConditionVariable);

BOOST_WINAPI_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
WakeConditionVariable(::_RTL_CONDITION_VARIABLE* ConditionVariable);

BOOST_WINAPI_IMPORT boost::winapi::VOID_ BOOST_WINAPI_WINAPI_CC
WakeAllConditionVariable(::_RTL_CONDITION_VARIABLE* ConditionVariable);

BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
SleepConditionVariableCS(
    ::_RTL_CONDITION_VARIABLE* ConditionVariable,
    ::_RTL_CRITICAL_SECTION* CriticalSection,
    boost::winapi::DWORD_ dwMilliseconds);

BOOST_WINAPI_IMPORT boost::winapi::BOOL_ BOOST_WINAPI_WINAPI_CC
SleepConditionVariableSRW(
    ::_RTL_CONDITION_VARIABLE* ConditionVariable,
    ::_RTL_SRWLOCK* SRWLock,
    boost::winapi::DWORD_ dwMilliseconds,
    boost::winapi::ULONG_ Flags);
}
#endif

namespace boost {
namespace winapi {

typedef struct BOOST_MAY_ALIAS _RTL_CONDITION_VARIABLE {
    PVOID_ Ptr;
} CONDITION_VARIABLE_, *PCONDITION_VARIABLE_;

#if defined( BOOST_USE_WINDOWS_H )
#define BOOST_WINAPI_CONDITION_VARIABLE_INIT CONDITION_VARIABLE_INIT
#else
#define BOOST_WINAPI_CONDITION_VARIABLE_INIT {0}
#endif

struct _RTL_CRITICAL_SECTION;
struct _RTL_SRWLOCK;

BOOST_FORCEINLINE VOID_ InitializeConditionVariable(PCONDITION_VARIABLE_ ConditionVariable)
{
    ::InitializeConditionVariable(reinterpret_cast< ::_RTL_CONDITION_VARIABLE* >(ConditionVariable));
}

BOOST_FORCEINLINE VOID_ WakeConditionVariable(PCONDITION_VARIABLE_ ConditionVariable)
{
    ::WakeConditionVariable(reinterpret_cast< ::_RTL_CONDITION_VARIABLE* >(ConditionVariable));
}

BOOST_FORCEINLINE VOID_ WakeAllConditionVariable(PCONDITION_VARIABLE_ ConditionVariable)
{
    ::WakeAllConditionVariable(reinterpret_cast< ::_RTL_CONDITION_VARIABLE* >(ConditionVariable));
}

BOOST_FORCEINLINE BOOL_ SleepConditionVariableCS(
    PCONDITION_VARIABLE_ ConditionVariable,
    _RTL_CRITICAL_SECTION* CriticalSection,
    DWORD_ dwMilliseconds)
{
    return ::SleepConditionVariableCS(
        reinterpret_cast< ::_RTL_CONDITION_VARIABLE* >(ConditionVariable),
        reinterpret_cast< ::_RTL_CRITICAL_SECTION* >(CriticalSection),
        dwMilliseconds);
}

BOOST_FORCEINLINE BOOL_ SleepConditionVariableSRW(
    PCONDITION_VARIABLE_ ConditionVariable,
    _RTL_SRWLOCK* SRWLock,
    DWORD_ dwMilliseconds,
    ULONG_ Flags)
{
    return ::SleepConditionVariableSRW(
        reinterpret_cast< ::_RTL_CONDITION_VARIABLE* >(ConditionVariable),
        reinterpret_cast< ::_RTL_SRWLOCK* >(SRWLock),
        dwMilliseconds,
        Flags);
}

#if defined( BOOST_USE_WINDOWS_H )
BOOST_CONSTEXPR_OR_CONST ULONG_ CONDITION_VARIABLE_LOCKMODE_SHARED_ = CONDITION_VARIABLE_LOCKMODE_SHARED;
#else // defined( BOOST_USE_WINDOWS_H )
BOOST_CONSTEXPR_OR_CONST ULONG_ CONDITION_VARIABLE_LOCKMODE_SHARED_ = 0x00000001;
#endif // defined( BOOST_USE_WINDOWS_H )

BOOST_CONSTEXPR_OR_CONST ULONG_ condition_variable_lockmode_shared = CONDITION_VARIABLE_LOCKMODE_SHARED_;

}
}

#include <boost/winapi/detail/footer.hpp>

#endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN6

#endif // BOOST_WINAPI_CONDITION_VARIABLE_HPP_INCLUDED_