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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include "system.h"
#include <osl/mutex.h>
#include <osl/diagnose.h>
/*
Implementation notes:
The void* hidden by oslMutex points to a WIN32
CRITICAL_SECTION structure.
*/
oslMutex SAL_CALL osl_createMutex(void)
{
CRITICAL_SECTION* pMutexImpl;
pMutexImpl = static_cast<CRITICAL_SECTION*>(calloc(sizeof(CRITICAL_SECTION), 1));
OSL_ASSERT(pMutexImpl); /* alloc successful? */
InitializeCriticalSection(pMutexImpl);
return reinterpret_cast<oslMutex>(pMutexImpl);
}
void SAL_CALL osl_destroyMutex(oslMutex Mutex)
{
CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
if (pMutexImpl)
{
DeleteCriticalSection(pMutexImpl);
free(pMutexImpl);
}
}
sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex)
{
CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
OSL_ASSERT(Mutex);
EnterCriticalSection(pMutexImpl);
return true;
}
sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex)
{
CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
OSL_ASSERT(Mutex);
return TryEnterCriticalSection(pMutexImpl) != FALSE;
}
sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex)
{
CRITICAL_SECTION* pMutexImpl = reinterpret_cast<CRITICAL_SECTION*>(Mutex);
OSL_ASSERT(Mutex);
LeaveCriticalSection(pMutexImpl);
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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