Mutex.h
上传用户:market2
上传日期:2018-11-18
资源大小:18786k
文件大小:2k
- /*
- * OpenKore C++ Standard Library
- * Copyright (C) 2006 VCL
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
- #ifndef _OSL_MUTEX_H_
- #define _OSL_MUTEX_H_
- #ifdef WIN32
- #define WIN32_MEAN_AND_LEAN
- #include <windows.h>
- #else
- #include <pthread.h>
- #endif
- namespace OSL {
- /**
- * A mutex object (Mutual Exclusion, also known as critical section on Windows).
- * This is a lock which can be used to ensure that no two
- * threads can access the same resource simultaneously.
- *
- * @class Mutex OSL/Threading/Mutex.h
- * @ingroup Threading
- * @see Atomic, Thread
- */
- class Mutex {
- private:
- #ifdef WIN32
- CRITICAL_SECTION cs;
- #else
- pthread_mutex_t mutex;
- #endif
- public:
- /**
- * Create a new Mutex object. This mutex is not locked.
- */
- Mutex() throw();
- ~Mutex() throw();
- /**
- * Lock this mutex. Do not lock a mutex twice from
- * the same thread, or it'll cause a deadlock.
- */
- void lock() throw();
- /**
- * Try to lock this mutex.
- *
- * @return Whether this mutex was successfully locked.
- * If the mutex is already locked, then false is returned.
- */
- bool tryLock() throw();
- /**
- * Unlock this mutex.
- */
- void unlock() throw();
- };
- }
- #endif /* _OSL_MUTEX_H_ */