71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// Filename: mutexPosixImpl.h
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// Created by: drose (10Feb06)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef MUTEXPOSIXIMPL_H
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#define MUTEXPOSIXIMPL_H
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#include "dtoolbase.h"
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#include "selectThreadImpl.h"
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#ifdef HAVE_POSIX_THREADS
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#include <pthread.h>
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#include <errno.h>
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#include <assert.h>
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////////////////////////////////////////////////////////////////////
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// Class : MutexPosixImpl
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// Description : Uses Posix threads to implement a mutex.
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////////////////////////////////////////////////////////////////////
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class EXPCL_DTOOL MutexPosixImpl {
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public:
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INLINE MutexPosixImpl();
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INLINE ~MutexPosixImpl();
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INLINE void acquire();
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INLINE bool try_acquire();
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INLINE void release();
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INLINE pthread_mutex_t *get_posix_lock();
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private:
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pthread_mutex_t _lock;
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friend class ConditionVarPosixImpl;
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};
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////////////////////////////////////////////////////////////////////
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// Class : ReMutexPosixImpl
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// Description : Uses Posix threads to implement a reentrant mutex.
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////////////////////////////////////////////////////////////////////
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class EXPCL_DTOOL ReMutexPosixImpl {
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public:
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INLINE ReMutexPosixImpl();
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INLINE ~ReMutexPosixImpl();
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INLINE void acquire();
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INLINE bool try_acquire();
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INLINE void release();
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INLINE pthread_mutex_t *get_posix_lock();
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private:
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pthread_mutex_t _lock;
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};
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#include "mutexPosixImpl.I"
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#endif // HAVE_POSIX_THREADS
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#endif
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