/*

 * 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;

}