diff options
Diffstat (limited to 'src/xine-utils/xine_mutex.c')
-rw-r--r-- | src/xine-utils/xine_mutex.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/xine-utils/xine_mutex.c b/src/xine-utils/xine_mutex.c new file mode 100644 index 000000000..7ec965bc5 --- /dev/null +++ b/src/xine-utils/xine_mutex.c @@ -0,0 +1,80 @@ +/* + * 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 1.1 2002/03/21 21:30:51 guenter 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); +} + + + |