source: rtems/c/src/tests/sptests/sp07/task2.c @ d2b93bfd

4.104.114.84.95
Last change on this file since d2b93bfd was d2b93bfd, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:53:48

2003-09-04 Joel Sherrill <joel@…>

  • sp01/init.c, sp01/sp01.doc, sp01/system.h, sp01/task1.c, sp02/init.c, sp02/preempt.c, sp02/sp02.doc, sp02/system.h, sp02/task1.c, sp02/task2.c, sp02/task3.c, sp03/init.c, sp03/sp03.doc, sp03/system.h, sp03/task1.c, sp03/task2.c, sp04/init.c, sp04/sp04.doc, sp04/system.h, sp04/task1.c, sp04/task2.c, sp04/task3.c, sp04/tswitch.c, sp05/init.c, sp05/sp05.doc, sp05/system.h, sp05/task1.c, sp05/task2.c, sp05/task3.c, sp06/init.c, sp06/sp06.doc, sp06/system.h, sp06/task1.c, sp06/task2.c, sp06/task3.c, sp07/init.c, sp07/sp07.doc, sp07/system.h, sp07/task1.c, sp07/task2.c, sp07/task3.c, sp07/task4.c, sp07/taskexit.c, sp07/tcreate.c, sp07/tdelete.c, sp07/trestart.c, sp07/tstart.c, sp08/init.c, sp08/sp08.doc, sp08/system.h, sp08/task1.c, sp09/delay.c, sp09/init.c, sp09/isr.c, sp09/screen01.c, sp09/screen02.c, sp09/screen03.c, sp09/screen04.c, sp09/screen05.c, sp09/screen06.c, sp09/screen07.c, sp09/screen08.c, sp09/screen09.c, sp09/screen10.c, sp09/screen11.c, sp09/screen12.c, sp09/screen13.c, sp09/screen14.c, sp09/sp09.doc, sp09/system.h, sp09/task1.c, sp09/task2.c, sp09/task3.c, sp09/task4.c, sp11/init.c, sp11/sp11.doc, sp11/system.h, sp11/task1.c, sp11/task2.c, sp11/timer.c, sp12/init.c, sp12/pridrv.c, sp12/pritask.c, sp12/sp12.doc, sp12/system.h, sp12/task1.c, sp12/task2.c, sp12/task3.c, sp12/task4.c, sp12/task5.c, sp13/fillbuff.c, sp13/init.c, sp13/putbuff.c, sp13/sp13.doc, sp13/system.h, sp13/task1.c, sp13/task2.c, sp13/task3.c, sp14/asr.c, sp14/init.c, sp14/sp14.doc, sp14/system.h, sp14/task1.c, sp14/task2.c, sp15/init.c, sp15/sp15.doc, sp15/system.h, sp15/task1.c, sp16/init.c, sp16/sp16.doc, sp16/system.h, sp16/task1.c, sp16/task2.c, sp16/task3.c, sp16/task4.c, sp16/task5.c, sp17/asr.c, sp17/init.c, sp17/sp17.doc, sp17/system.h, sp17/task1.c, sp17/task2.c, sp19/first.c, sp19/fptask.c, sp19/fptest.h, sp19/init.c, sp19/inttest.h, sp19/sp19.doc, sp19/system.h, sp19/task1.c, sp20/getall.c, sp20/init.c, sp20/sp20.doc, sp20/system.h, sp20/task1.c, sp21/init.c, sp21/sp21.doc, sp21/system.h, sp21/task1.c, sp22/delay.c, sp22/init.c, sp22/prtime.c, sp22/sp22.doc, sp22/system.h, sp22/task1.c, sp23/init.c, sp23/sp23.doc, sp23/system.h, sp23/task1.c, sp24/init.c, sp24/resume.c, sp24/sp24.doc, sp24/system.h, sp24/task1.c, sp25/init.c, sp25/sp25.doc, sp25/system.h, sp25/task1.c, sp26/init.c, sp26/sp26.doc, sp26/system.h, sp26/task1.c, sp30/init.c, sp30/resume.c, sp30/sp30.doc, sp30/system.h, sp30/task1.c, sp31/delay.c, sp31/init.c, sp31/prtime.c, sp31/sp31.doc, sp31/system.h, sp31/task1.c, sp32/init.c, spfatal/fatal.c, spfatal/init.c, spfatal/puterr.c, spfatal/spfatal.doc, spfatal/system.h, spfatal/task1.c, spsize/getint.c, spsize/init.c, spsize/size.c, spsize/system.h: URL for license changed.
  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*  Task_2
2 *
3 *  This routine serves as a test task.  Plays with priorities to verify
4 *  that the highest priority task is always executed.
5 *
6 *  Input parameters:
7 *    argument - task argument
8 *
9 *  Output parameters:  NONE
10 *
11 *  COPYRIGHT (c) 1989-1999.
12 *  On-Line Applications Research Corporation (OAR).
13 *
14 *  The license and distribution terms for this file may be
15 *  found in the file LICENSE in this distribution or at
16 *  http://www.rtems.com/license/LICENSE.
17 *
18 *  $Id$
19 */
20
21#include "system.h"
22
23rtems_task Task_2(
24  rtems_task_argument argument
25)
26{
27  rtems_status_code   status;
28  rtems_task_priority the_priority;
29  rtems_task_priority previous_priority;
30
31  while( FOREVER ) {
32
33    status = rtems_task_get_note( RTEMS_SELF, RTEMS_NOTEPAD_8, &the_priority );
34    directive_failed( status, "rtems_task_get_note" );
35    printf(
36"TA2 - rtems_task_get_note - get RTEMS_NOTEPAD_8 - current priority: %02d\n",
37      the_priority
38    );
39
40    if ( --the_priority == 0 ) {
41      puts( "TA2 - rtems_task_suspend - suspend TA1" );
42      status = rtems_task_suspend( Task_id[ 1 ] );
43      directive_failed( status, "rtems_task_suspend" );
44
45      puts( "TA2 - rtems_task_set_priority - set priority of TA1 ( blocked )" );
46      status = rtems_task_set_priority( Task_id[ 1 ], 5, &previous_priority );
47      directive_failed( status, "rtems_task_set_priority" );
48
49      status = rtems_task_delete( Task_id[ 1 ] );          /* TA1 is blocked */
50      directive_failed( status, "rtems_task_delete of TA1" );
51
52      status = rtems_task_delete( Task_id[ 3 ] );          /* TA3 is ready   */
53      directive_failed( status, "rtems_task_delete of TA3" );
54
55      status = rtems_task_delete( RTEMS_SELF );
56      directive_failed( status, "rtems_task_delete of SELD" );
57
58    } else {
59
60      printf( "TA2 - rtems_task_set_note - set TA1's RTEMS_NOTEPAD_8: %02d\n",
61              the_priority
62      );
63      status = rtems_task_set_note(Task_id[ 1 ], RTEMS_NOTEPAD_8, the_priority);
64      directive_failed( status, "rtems_task_set_note" );
65
66      printf( "TA2 - rtems_task_set_priority - set TA1's priority: %02d\n",
67              the_priority
68      );
69      status = rtems_task_set_priority(
70                 Task_id[ 1 ],
71                 the_priority,
72                 &previous_priority
73      );
74      directive_failed( status, "rtems_task_set_priority" );
75    }
76  }
77}
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