source: rtems/cpukit/score/src/coremutexseize.c

Last change on this file was 4c20da4, checked in by Sebastian Huber <sebastian.huber@…>, on Apr 4, 2019 at 7:18:11 AM

doxygen: Rename Score* groups in RTEMSScore*

Update #3706

  • Property mode set to 100644
File size: 1.3 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief Seize Mutex with Blocking
5 *  @ingroup RTEMSScoreMutex
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2006.
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 <rtems/score/coremuteximpl.h>
22#include <rtems/score/statesimpl.h>
23#include <rtems/score/thread.h>
24#include <rtems/score/watchdog.h>
25
26Status_Control _CORE_mutex_Seize_slow(
27  CORE_mutex_Control            *the_mutex,
28  const Thread_queue_Operations *operations,
29  Thread_Control                *executing,
30  bool                           wait,
31  Thread_queue_Context          *queue_context
32)
33{
34  if ( wait ) {
35    _Thread_queue_Context_set_thread_state(
36      queue_context,
37      STATES_WAITING_FOR_MUTEX
38    );
39    _Thread_queue_Context_set_deadlock_callout(
40      queue_context,
41      _Thread_queue_Deadlock_status
42    );
43    _Thread_queue_Enqueue(
44      &the_mutex->Wait_queue.Queue,
45      operations,
46      executing,
47      queue_context
48    );
49    return _Thread_Wait_get_status( executing );
50  } else {
51    _CORE_mutex_Release( the_mutex, queue_context );
52    return STATUS_UNAVAILABLE;
53  }
54}
Note: See TracBrowser for help on using the repository browser.