/*
	2004.02.01
		first released source code for IOMP
*/
/* 
 * Copyright (C) 2000-2002 the xine project
 * 
 * This file is part of xine, a free video player.
 * 
 * xine 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.
 * 
 * xine 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
 *
 * $Id: xine_mutex.c,v 1.2 2003/11/25 04:26:12 georgedon Exp $
 *
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <pthread.h>
#include "xineutils.h"

#define DBG_MUTEX

int xine_mutex_init (xine_mutex_t *mutex, const pthread_mutexattr_t *mutexattr,
		     char *id) {

#ifdef DBG_MUTEX
  strcpy (mutex->id, id);
#endif

  return pthread_mutex_init (&mutex->mutex, mutexattr);
}
  
int xine_mutex_lock (xine_mutex_t *mutex, char *who) {

#ifndef DBG_MUTEX

  return pthread_mutex_lock (&mutex->mutex);

#else

  if (pthread_mutex_trylock (&mutex->mutex)) {
    printf ("xine_mutex: BLOCK when %s tried to lock mutex %s because it is locked by %s. continue trying...)\n", 
	    who, mutex->id, mutex->locked_by);

    pthread_mutex_lock (&mutex->mutex);
  }

  printf ("xine_mutex: %s has now locked mutex %s\n", 
	  who, mutex->id);
  mutex->locked_by = who;

  return 1;

#endif
}

int xine_mutex_unlock  (xine_mutex_t *mutex, char *who) {

  printf ("xine_mutex: mutex %s unlocked by %s\n",
	  mutex->id, who);
  return pthread_mutex_unlock (&mutex->mutex);
}

int xine_mutex_destroy (xine_mutex_t *mutex) {
  return pthread_mutex_destroy (&mutex->mutex);
}