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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <errno.h>
#include "common/common.h"
#include "config.h"
#include "threads.h"
#include "timer.h"
#if HAVE_BSD_THREAD_NAME
#include <pthread_np.h>
#endif
int mp_ptwrap_check(const char *file, int line, int res)
{
if (res && res != ETIMEDOUT) {
fprintf(stderr, "%s:%d: internal error: pthread result %d (%s)\n",
file, line, res, mp_strerror(res));
abort();
}
return res;
}
int mp_ptwrap_mutex_init(const char *file, int line, pthread_mutex_t *m,
const pthread_mutexattr_t *attr)
{
pthread_mutexattr_t m_attr;
if (!attr) {
attr = &m_attr;
pthread_mutexattr_init(&m_attr);
// Force normal mutexes to error checking.
pthread_mutexattr_settype(&m_attr, PTHREAD_MUTEX_ERRORCHECK);
}
int res = mp_ptwrap_check(file, line, (pthread_mutex_init)(m, attr));
if (attr == &m_attr)
pthread_mutexattr_destroy(&m_attr);
return res;
}
int mp_ptwrap_mutex_trylock(const char *file, int line, pthread_mutex_t *m)
{
int res = (pthread_mutex_trylock)(m);
if (res != EBUSY)
mp_ptwrap_check(file, line, res);
return res;
}
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