source: rtems/cpukit/rtems/src/taskwakeafter.c @ 0eae7ba9

4.115
Last change on this file since 0eae7ba9 was 4b48ece0, checked in by Sebastian Huber <sebastian.huber@…>, on 07/22/13 at 08:21:03

score: Create watchdog implementation header

Move implementation specific parts of watchdog.h and watchdog.inl into
new header file watchdogimpl.h. The watchdog.h contains now only the
application visible API.

  • Property mode set to 100644
File size: 1.5 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief RTEMS Task Wake After
5 *  @ingroup ClassicTasks
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-1999.
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.com/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <rtems/system.h>
22#include <rtems/rtems/status.h>
23#include <rtems/rtems/support.h>
24#include <rtems/rtems/modes.h>
25#include <rtems/score/object.h>
26#include <rtems/score/scheduler.h>
27#include <rtems/score/stack.h>
28#include <rtems/score/states.h>
29#include <rtems/rtems/tasks.h>
30#include <rtems/score/thread.h>
31#include <rtems/score/threadq.h>
32#include <rtems/score/tod.h>
33#include <rtems/score/wkspace.h>
34#include <rtems/score/apiext.h>
35#include <rtems/score/sysstate.h>
36#include <rtems/score/watchdogimpl.h>
37
38rtems_status_code rtems_task_wake_after(
39  rtems_interval ticks
40)
41{
42  /*
43   * It is critical to obtain the executing thread after thread dispatching is
44   * disabled on SMP configurations.
45   */
46  Thread_Control *executing;
47
48  _Thread_Disable_dispatch();
49    executing = _Thread_Executing;
50
51    if ( ticks == 0 ) {
52      _Scheduler_Yield( executing );
53    } else {
54      _Thread_Set_state( executing, STATES_DELAYING );
55      _Watchdog_Initialize(
56        &executing->Timer,
57        _Thread_Delay_ended,
58        executing->Object.id,
59        NULL
60      );
61      _Watchdog_Insert_ticks( &executing->Timer, ticks );
62    }
63  _Thread_Enable_dispatch();
64  return RTEMS_SUCCESSFUL;
65}
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