posix/src/mutexattrsettype.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  *  @file
0005  *
0006  *  @brief Set a Mutex Type
0007  *  @ingroup POSIXAPI
0008  */
0009
0010 /*
0011  *  COPYRIGHT (c) 1989-2009.
0012  *  On-Line Applications Research Corporation (OAR).
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #ifdef HAVE_CONFIG_H
0037 #include "config.h"
0038 #endif
0039
0040 #include <errno.h>
0041 #include <pthread.h>
0042
0043 #include <rtems/score/coremuteximpl.h>
0044 #include <rtems/score/watchdog.h>
0045 #include <rtems/posix/muteximpl.h>
0046 #include <rtems/posix/priorityimpl.h>
0047
0048 #if defined(_UNIX98_THREAD_MUTEX_ATTRIBUTES)
0049 int pthread_mutexattr_settype(
0050   pthread_mutexattr_t *attr,
0051   int                  type
0052 )
0053 {
0054   if ( !attr || !attr->is_initialized )
0055     return EINVAL;
0056
0057   switch ( type ) {
0058     case PTHREAD_MUTEX_NORMAL:
0059     case PTHREAD_MUTEX_RECURSIVE:
0060     case PTHREAD_MUTEX_ERRORCHECK:
0061     case PTHREAD_MUTEX_DEFAULT:
0062       attr->type = type;
0063       return 0;
0064
0065     default:
0066       return EINVAL;
0067   }
0068 }
0069 #endif