source: rtems/cpukit/rtems/src/taskwakeafter.c @ 54d540f

4.104.114.84.95
Last change on this file since 54d540f was 08311cc3, checked in by Joel Sherrill <joel.sherrill@…>, on 11/17/99 at 17:51:34

Updated copyright notice.

  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 *  RTEMS Task Manager
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *  $Id$
13 */
14
15#include <rtems/system.h>
16#include <rtems/rtems/status.h>
17#include <rtems/rtems/support.h>
18#include <rtems/rtems/modes.h>
19#include <rtems/score/object.h>
20#include <rtems/score/stack.h>
21#include <rtems/score/states.h>
22#include <rtems/rtems/tasks.h>
23#include <rtems/score/thread.h>
24#include <rtems/score/threadq.h>
25#include <rtems/score/tod.h>
26#include <rtems/score/userext.h>
27#include <rtems/score/wkspace.h>
28#include <rtems/score/apiext.h>
29#include <rtems/score/sysstate.h>
30
31/*PAGE
32 *
33 *  rtems_task_wake_after
34 *
35 *  This directive suspends the requesting thread for the given amount
36 *  of ticks.
37 *
38 *  Input parameters:
39 *    ticks - number of ticks to wait
40 *
41 *  Output parameters:
42 *    RTEMS_SUCCESSFUL - always successful
43 */
44
45rtems_status_code rtems_task_wake_after(
46  rtems_interval ticks
47)
48{
49  _Thread_Disable_dispatch();
50    if ( ticks == 0 ) {
51      _Thread_Yield_processor();
52    } else {
53      _Thread_Set_state( _Thread_Executing, STATES_DELAYING );
54      _Watchdog_Initialize(
55        &_Thread_Executing->Timer,
56        _Thread_Delay_ended,
57        _Thread_Executing->Object.id,
58        NULL
59      );
60      _Watchdog_Insert_ticks( &_Thread_Executing->Timer, ticks );
61    }
62  _Thread_Enable_dispatch();
63  return RTEMS_SUCCESSFUL;
64}
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