82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include <pthread.h>
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const pthread_mutex_t _mutex_initializer = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
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class Mutex
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{
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pthread_mutex_t _lock;
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public:
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Mutex ( )
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{
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// pthread_mutex_init( &_lock, NULL );
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_lock = _mutex_initializer;
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}
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virtual ~Mutex ( )
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{
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pthread_mutex_destroy( &_lock );
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}
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void
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lock ( void )
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{
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pthread_mutex_lock( &_lock );
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}
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void
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unlock ( void )
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{
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pthread_mutex_unlock( &_lock );
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}
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bool
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trylock ( void )
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{
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return pthread_mutex_trylock( &_lock ) == 0;
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}
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};
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class Locker
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{
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Mutex &_lock;
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public:
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Locker ( Mutex & lock ) : _lock( lock )
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{
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_lock.lock();
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}
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~Locker ( )
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{
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_lock.unlock();
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}
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};
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