122 lines
3.7 KiB
C
122 lines
3.7 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "system.h"
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#include <osl/mutex.h>
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#include <osl/diagnose.h>
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/*
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Implementation notes:
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The void* hidden by oslMutex points to a WIN32
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CRITICAL_SECTION structure.
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*/
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/*****************************************************************************/
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/* osl_createMutex */
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/*****************************************************************************/
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oslMutex SAL_CALL osl_createMutex(void)
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{
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CRITICAL_SECTION *pMutexImpl;
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pMutexImpl = calloc(sizeof(CRITICAL_SECTION), 1);
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OSL_ASSERT(pMutexImpl); /* alloc successful? */
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InitializeCriticalSection(pMutexImpl);
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return (oslMutex)pMutexImpl;
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}
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/*****************************************************************************/
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/* osl_destroyMutex */
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/*****************************************************************************/
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void SAL_CALL osl_destroyMutex(oslMutex Mutex)
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{
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CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
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if (pMutexImpl)
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{
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DeleteCriticalSection(pMutexImpl);
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free(pMutexImpl);
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}
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}
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/*****************************************************************************/
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/* osl_acquireMutex */
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/*****************************************************************************/
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sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex)
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{
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CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
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OSL_ASSERT(Mutex);
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EnterCriticalSection(pMutexImpl);
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return sal_True;
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}
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/*****************************************************************************/
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/* osl_tryToAcquireMutex */
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/*****************************************************************************/
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sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex)
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{
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CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
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OSL_ASSERT(Mutex);
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return (sal_Bool)(TryEnterCriticalSection(pMutexImpl) != FALSE);
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}
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/*****************************************************************************/
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/* osl_releaseMutex */
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/*****************************************************************************/
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sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex)
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{
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CRITICAL_SECTION *pMutexImpl = (CRITICAL_SECTION *)Mutex;
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OSL_ASSERT(Mutex);
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LeaveCriticalSection(pMutexImpl);
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return sal_True;
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}
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/*****************************************************************************/
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/* osl_getGlobalMutex */
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/*****************************************************************************/
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/* initialized in dllentry.c */
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oslMutex g_Mutex;
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oslMutex * SAL_CALL osl_getGlobalMutex(void)
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{
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return &g_Mutex;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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