| /************************************************************** |
| * |
| * 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, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #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_ */ |