OpenCL GPU miner
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/*
* libusb synchronization using POSIX Threads
*
* Copyright (C) 2011 Vitali Lovich <vlovich@aliph.com>
* Copyright (C) 2011 Peter Stuge <peter@stuge.se>
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef _XOPEN_SOURCE
# if _XOPEN_SOURCE < 500
# undef _XOPEN_SOURCE
# define _XOPEN_SOURCE 500
# endif
#else
#define _XOPEN_SOURCE 500
#endif /* _XOPEN_SOURCE */
#include "threads_posix.h"
int usbi_mutex_init_recursive(pthread_mutex_t *mutex, pthread_mutexattr_t *attr)
{
int err;
pthread_mutexattr_t stack_attr;
if (!attr) {
attr = &stack_attr;
err = pthread_mutexattr_init(&stack_attr);
if (err != 0)
return err;
}
err = pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE);
if (err != 0)
goto finish;
err = pthread_mutex_init(mutex, attr);
finish:
if (attr == &stack_attr)
pthread_mutexattr_destroy(&stack_attr);
return err;
}