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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#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.
*/
/*****************************************************************************/
/* osl_createMutex */
/*****************************************************************************/
oslMutex SAL_CALL osl_createMutex(void)
{
CRITICAL_SECTION *pMutexImpl;
pMutexImpl = calloc(sizeof(CRITICAL_SECTION), 1);
OSL_ASSERT(pMutexImpl); /* alloc successful? */
InitializeCriticalSection(pMutexImpl);
return (oslMutex)pMutexImpl;
}
/*****************************************************************************/
/* osl_destroyMutex */
/*****************************************************************************/
void SAL_CALL osl_destroyMutex(oslMutex Mutex)
{
CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
if (pMutexImpl)
{
DeleteCriticalSection(pMutexImpl);
free(pMutexImpl);
}
}
/*****************************************************************************/
/* osl_acquireMutex */
/*****************************************************************************/
sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex)
{
CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
OSL_ASSERT(Mutex);
EnterCriticalSection(pMutexImpl);
return sal_True;
}
/*****************************************************************************/
/* osl_tryToAcquireMutex */
/*****************************************************************************/
sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex)
{
CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
OSL_ASSERT(Mutex);
return (sal_Bool)(TryEnterCriticalSection(pMutexImpl) != FALSE);
}
/*****************************************************************************/
/* osl_releaseMutex */
/*****************************************************************************/
sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex)
{
CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
OSL_ASSERT(Mutex);
LeaveCriticalSection(pMutexImpl);
return sal_True;
}
/*****************************************************************************/
/* osl_getGlobalMutex */
/*****************************************************************************/
/* initialized in dllentry.c */
oslMutex g_Mutex;
oslMutex * SAL_CALL osl_getGlobalMutex(void)
{
return &g_Mutex;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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