source: rtems/testsuites/mptests/mp14/smtask1.c @ 3a4ae6c

4.104.114.84.95
Last change on this file since 3a4ae6c was ac7d5ef0, checked in by Joel Sherrill <joel.sherrill@…>, on May 11, 1995 at 5:39:37 PM

Initial revision

  • Property mode set to 100644
File size: 1.8 KB
RevLine 
[ac7d5ef0]1/*  Sm_test_task
2 *
3 *  This task continuously obtains and releases a global semaphore.
4 *
5 *  Input parameters:
6 *    argument - task argument
7 *
8 *  Output parameters:  NONE
9 *
10 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
11 *  On-Line Applications Research Corporation (OAR).
12 *  All rights assigned to U.S. Government, 1994.
13 *
14 *  This material may be reproduced by or for the U.S. Government pursuant
15 *  to the copyright license under the clause at DFARS 252.227-7013.  This
16 *  notice must appear in all copies of this file and its derivatives.
17 *
18 *  $Id$
19 */
20
21#include "system.h"
22
23extern rtems_multiprocessing_table Multiprocessing_configuration;
24
25rtems_task Semaphore_task(
26  rtems_task_argument argument
27)
28{
29  rtems_unsigned32  count;
30  rtems_status_code status;
31  rtems_unsigned32  yield_count;
32
33  puts( "Getting SMID of semaphore" );
34  while ( FOREVER ) {
35    status = rtems_semaphore_ident(
36      Semaphore_name[ 1 ],
37      RTEMS_SEARCH_ALL_NODES,
38      &Semaphore_id[ 1 ]
39    );
40    if ( status == RTEMS_SUCCESSFUL )
41      break;
42    puts( "rtems_semaphore_ident FAILED!!" );
43  }
44
45  while ( Stop_Test == FALSE ) {
46    yield_count = 100;
47
48    for ( count=SEMAPHORE_DOT_COUNT ; Stop_Test == FALSE && count ; count-- ) {
49      status = rtems_semaphore_obtain(
50        Semaphore_id[ 1 ],
51        RTEMS_DEFAULT_OPTIONS,
52        RTEMS_NO_TIMEOUT
53      );
54      directive_failed( status, "rtems_semaphore_obtain" );
55
56      status = rtems_semaphore_release( Semaphore_id[ 1 ] );
57      directive_failed( status, "rtems_semaphore_release" );
58
59      if ( Multiprocessing_configuration.node == 1 && --yield_count == 0 ) {
60        status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
61        directive_failed( status, "rtems_task_wake_after" );
62
63        yield_count = 100;
64      }
65    }
66    put_dot( 's' );
67  }
68
69  Exit_test();
70}
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