source: rtems/cpukit/posix/src/mutexgetprioceiling.c @ 21789a21

5
Last change on this file since 21789a21 was 21789a21, checked in by Sebastian Huber <sebastian.huber@…>, on Jul 28, 2015 at 12:45:42 PM

score: Rename _POSIX_Absolute_timeout_to_ticks()

Rename _POSIX_Absolute_timeout_to_ticks() to
_TOD_Absolute_timeout_to_ticks() and move it to the score directory.
Delete empty <rtems/posix/time.h>.

  • Property mode set to 100644
File size: 1.3 KB
Line 
1/**
2 * @file
3 *
4 * @brief Returns the Current Priority Ceiling of the Mutex
5 * @ingroup POSIXAPI
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2007.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.org/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <errno.h>
22#include <pthread.h>
23
24#include <rtems/system.h>
25#include <rtems/score/coremuteximpl.h>
26#include <rtems/score/watchdog.h>
27#include <rtems/posix/muteximpl.h>
28#include <rtems/posix/priorityimpl.h>
29
30/*
31 *  13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131
32 */
33
34int pthread_mutex_getprioceiling(
35  pthread_mutex_t   *mutex,
36  int               *prioceiling
37)
38{
39  register POSIX_Mutex_Control *the_mutex;
40  Objects_Locations             location;
41
42  if ( !prioceiling )
43    return EINVAL;
44
45  the_mutex = _POSIX_Mutex_Get( mutex, &location );
46  switch ( location ) {
47
48    case OBJECTS_LOCAL:
49      *prioceiling = _POSIX_Priority_From_core(
50        the_mutex->Mutex.Attributes.priority_ceiling
51      );
52      _Objects_Put( &the_mutex->Object );
53      return 0;
54
55#if defined(RTEMS_MULTIPROCESSING)
56    case OBJECTS_REMOTE:
57#endif
58    case OBJECTS_ERROR:
59      break;
60  }
61
62  return EINVAL;
63}
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