summaryrefslogtreecommitdiffstats
path: root/cpukit/posix/src/rwlockattrdestroy.c
blob: 3b7639445d8ecc9d068b7009aa2c7af7bd5d7adc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
/**
 * @file
 *
 * @brief Function Destroys a read-write lock Attributes object 
 * @ingroup POSIXAPI
 */

/*
 *  COPYRIGHT (c) 1989-2007.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <errno.h>
#include <pthread.h>
#include <stddef.h>
#include <stdbool.h>

/*
 *  RWLock Initialization Attributes
 */

int pthread_rwlockattr_destroy(
  pthread_rwlockattr_t *attr
)
{
  if ( attr == NULL || !attr->is_initialized )
    return EINVAL;

  attr->is_initialized = false;
  return 0;
}