put_first.c 1.15 KB
/**
 * \file
 *
 * \author	Georg Hopp
 *
 * \copyright
 * Copyright © 2014 Georg Hopp
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <pthread.h>

#include "trbase.h"
#include "tr/queue.h"

void
TR_queuePutFirst(TR_Queue this, void * msg)
{
	TR_Queue current_first = this->first;

	pthread_mutex_lock(&(this->lock));

	this->first = this->next = TR_new(TR_Queue);
	this->first->next = current_first;
	this->first->msg  = msg;
	this->last        = this->last ? this->last : this->first;
	this->nmsg++;

	pthread_mutex_unlock(&(this->lock));
}

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