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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* @author Peter Boros
* @date 2004/09/07
* @version $Id$
* @file mutex.cpp
* @brief Mutex.
*
*/
#include <pthread.h>
#include <sched.h>
#include <cassert>
#include "mutex.h"
namespace fsa {
// {{{ class Mutex::Impl
struct Mutex::Impl
{
pthread_mutex_t _mutex; /**< lock */
};
// }}}
Mutex::Mutex(void) : _impl(new Impl)
{
int rc;
rc = pthread_mutex_init(&(_impl->_mutex),NULL);
assert(rc == 0);
}
Mutex::~Mutex(void)
{
pthread_mutex_destroy(&(_impl->_mutex));
delete _impl;
}
bool Mutex::tryLock (void)
{
return pthread_mutex_trylock(&(_impl->_mutex)) == 0;
}
bool Mutex::lock (void)
{
return pthread_mutex_lock(&(_impl->_mutex)) == 0;
}
bool Mutex::unlock (void)
{
return pthread_mutex_unlock(&(_impl->_mutex)) == 0;
}
} // namespace fsa
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