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*
* 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
*
* Unless required by applicable law or agreed to in writing,
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#ifndef _OSL_MUTEX_H_
#define _OSL_MUTEX_H_
#include <sal/types.h>
#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(void);
#ifdef __cplusplus
}
#endif
#endif /* _OSL_MUTEX_H_ */