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/*************************************************************************
*
* $RCSfile: mutex.h,v $
*
* $Revision: 1.6 $
*
* last change: $Author: hr $ $Date: 2003-03-26 16:45:37 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _OSL_MUTEX_H_
#define _OSL_MUTEX_H_
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
struct _oslMutexImpl;
typedef struct _oslMutexImpl * oslMutex;
/** Create a thread-local mutex.
@return 0 if the mutex could not be created, otherwise a handle to the mutex.
*/
oslMutex SAL_CALL osl_createMutex(void);
/** Release the OS-structures and free mutex data-structure.
@param Mutex the mutex-handle
*/
void SAL_CALL osl_destroyMutex(oslMutex Mutex);
/** Acquire the mutex, block if already acquired by another thread.
@param Mutex handle to a created mutex.
@return False if system-call fails.
*/
sal_Bool SAL_CALL osl_acquireMutex(oslMutex Mutex);
/** Try to acquire the mutex without blocking.
@param Mutex handle to a created mutex.
@return False if it could not be acquired.
*/
sal_Bool SAL_CALL osl_tryToAcquireMutex(oslMutex Mutex);
/** Release the mutex.
@param Mutex handle to a created mutex.
@return False if system-call fails.
*/
sal_Bool SAL_CALL osl_releaseMutex(oslMutex Mutex);
/** Returns a unique and global mutex.
@return the global mutex.
*/
oslMutex * SAL_CALL osl_getGlobalMutex();
#ifdef __cplusplus
}
#endif
#endif /* _OSL_MUTEX_H_ */
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