Subversion Repositories openrisc

/*  Test_task2

 *

 *  This task attempts to receive control of a global semaphore.

 *  If running on the node on which the semaphore resides, the wait is

 *  forever, otherwise it times out on a remote semaphore.

 *

 *  Input parameters:

 *    argument - task argument

 *

 *  Output parameters:  NONE

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: task2.c,v 1.2 2001-09-27 12:02:22 chris Exp $

 */

#include "system.h"

rtems_task Test_task2(

  rtems_task_argument argument

)

{

  rtems_status_code status;

  puts( "Getting SMID of semaphore" );

  do {

    status = rtems_semaphore_ident(

      Semaphore_name[ 1 ],

      RTEMS_SEARCH_ALL_NODES,

      &Semaphore_id[ 1 ]

    );

  } while ( !rtems_is_status_successful( status ) );

  directive_failed( status, "rtems_semaphore_ident" );

  if ( Multiprocessing_configuration.node == 1 ) {

    status = rtems_task_wake_after( TICKS_PER_SECOND );

    directive_failed( status, "rtems_task_wake_after" );

    puts( "Releasing semaphore ..." );

    status = rtems_semaphore_release( Semaphore_id[ 1 ] );

    directive_failed( status, "rtems_semaphore_release" );

    status = rtems_task_wake_after( TICKS_PER_SECOND / 2 );

    directive_failed( status, "rtems_task_wake_after" );

    puts( "Getting semaphore ..." );

    status = rtems_semaphore_obtain(

      Semaphore_id[ 1 ],

      RTEMS_DEFAULT_OPTIONS,

      RTEMS_NO_TIMEOUT

    );

    directive_failed( status, "rtems_semaphore_obtain" );

    puts( "Getting semaphore ..." );

    status = rtems_semaphore_obtain(

      Semaphore_id[ 1 ],

      RTEMS_DEFAULT_OPTIONS,

      RTEMS_NO_TIMEOUT

    );

    puts( "How did I get back from here????" );

    directive_failed( status, "rtems_semaphore_obtain" );

  }

/*

  status = rtems_task_wake_after( TICKS_PER_SECOND / 2 );

  directive_failed( status, "rtems_task_wake_after" );

*/

  puts( "Getting semaphore ..." );

  status = rtems_semaphore_obtain(

    Semaphore_id[ 1 ],

    RTEMS_DEFAULT_OPTIONS,

    RTEMS_NO_TIMEOUT

  );

  directive_failed( status, "rtems_semaphore_obtain" );

  puts( "Releasing semaphore ..." );

  status = rtems_semaphore_release( Semaphore_id[ 1 ] );

  directive_failed( status, "rtems_semaphore_release" );

  status = rtems_task_wake_after( TICKS_PER_SECOND );

  directive_failed( status, "rtems_task_wake_after" );

  puts( "Getting semaphore ..." );

  status = rtems_semaphore_obtain(

    Semaphore_id[ 1 ],

    RTEMS_DEFAULT_OPTIONS,

    2 * TICKS_PER_SECOND

  );

  fatal_directive_status(

    status,

    RTEMS_TIMEOUT,

    "rtems_semaphore_obtain"

  );

  puts( "rtems_semaphore_obtain correctly returned RTEMS_TIMEOUT" );

  puts( "*** END OF TEST 13 ***" );

  exit( 0 );

}