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/*
* Copyright (C) 2000-2009 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <pthread.h>
#include <xine/xineutils.h>
/*
#define DBG_MUTEX
*/
int xine_mutex_init (xine_mutex_t *mutex, const pthread_mutexattr_t *mutexattr,
const char *id) {
#ifdef DBG_MUTEX
strncpy (mutex->id, id, sizeof (mutex->id));
mutex->id[sizeof (mutex->id) - 1] = 0;
#endif
return pthread_mutex_init (&mutex->mutex, mutexattr);
}
int xine_mutex_lock (xine_mutex_t *mutex, const 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, const 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);
}
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