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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* threadsafe_queue_fifo.h
*
* Tue Sep 27 14:01:10 CEST 2005
* Copyright 2005 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MIaV 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "config.h"
#ifndef __MIAV_THREADSAFE_QUEUE_FIFO_H__
#define __MIAV_THREADSAFE_QUEUE_FIFO_H__
#include "threadsafe_queue.h"
#include <queue>
template <typename T>
class ThreadSafeQueueFIFO: public ThreadSafeQueue<T> {
public:
ThreadSafeQueueFIFO() {}
~ThreadSafeQueueFIFO() {}
void push(T t) {
// Lock mutex
pthread_mutex_lock( &mutex );
queue.push(t);
pthread_mutex_unlock( &mutex );
// Unlock mutex
sem_post(&semaphore);
}
T pop() {
sem_wait(&semaphore);
T t;
// Lock mutex
pthread_mutex_lock( &mutex );
t = queue.front();
queue.pop();
pthread_mutex_unlock( &mutex );
// Unlock mutex
return t;
}
int size() {
int sz;
// Lock mutex
pthread_mutex_lock( &mutex );
sz = queue.size();
pthread_mutex_unlock( &mutex );
// Unlock mutex
return sz;
}
private:
std::queue<T> queue;
};
#endif/*__MIAV_THREADSAFE_QUEUE_FIFO_H__*/
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