OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [taskwakewhen.c] - Blame information for rev 173

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 30 unneback
/*
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: taskwakewhen.c,v 1.2 2001-09-27 11:59:19 chris Exp $
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_when
34
 *
35
 *  This directive blocks the requesting thread until the given date and
36
 *  time is reached.
37
 *
38
 *  Input parameters:
39
 *    time_buffer - pointer to the time and date structure
40
 *
41
 *  Output parameters:
42
 *    RTEMS_SUCCESSFUL - if successful
43
 *    error code        - if unsuccessful
44
 */
45
 
46
rtems_status_code rtems_task_wake_when(
47
rtems_time_of_day *time_buffer
48
)
49
{
50
  Watchdog_Interval   seconds;
51
 
52
  if ( !_TOD_Is_set )
53
    return RTEMS_NOT_DEFINED;
54
 
55
  time_buffer->ticks = 0;
56
 
57
  if ( !_TOD_Validate( time_buffer ) )
58
    return RTEMS_INVALID_CLOCK;
59
 
60
  seconds = _TOD_To_seconds( time_buffer );
61
 
62
  if ( seconds <= _TOD_Seconds_since_epoch )
63
    return RTEMS_INVALID_CLOCK;
64
 
65
  _Thread_Disable_dispatch();
66
    _Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_TIME );
67
    _Watchdog_Initialize(
68
      &_Thread_Executing->Timer,
69
      _Thread_Delay_ended,
70
      _Thread_Executing->Object.id,
71
      NULL
72
    );
73
    _Watchdog_Insert_seconds(
74
      &_Thread_Executing->Timer,
75
      seconds - _TOD_Seconds_since_epoch
76
    );
77
  _Thread_Enable_dispatch();
78
  return RTEMS_SUCCESSFUL;
79
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.