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/*

 *

 *  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: task1.c,v 1.2 2001-09-27 12:02:42 chris Exp $

 */

#define TEST_INIT

#include "system.h"

rtems_id Queue_id;

long Buffer[4];

rtems_task test_init(

  rtems_task_argument argument

);

rtems_task Middle_tasks(

  rtems_task_argument argument

);

rtems_task High_task(

  rtems_task_argument argument

);

void Init(

  rtems_task_argument argument

)

{

  rtems_status_code status;

  rtems_id id;

  Print_Warning();

  puts( "\n\n*** TIME TEST 11 ***" );

  status = rtems_task_create(

    1,

    251,

    RTEMS_MINIMUM_STACK_SIZE,

    RTEMS_DEFAULT_MODES,

    RTEMS_DEFAULT_ATTRIBUTES,

    &id

  );

  directive_failed( status, "rtems_task_create" );

  status = rtems_task_start( id, test_init, 0 );

  directive_failed( status, "rtems_task_start" );

  status = rtems_task_delete( RTEMS_SELF );

  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );

}

#define MESSAGE_SIZE (sizeof(long) * 4)

rtems_task test_init(

  rtems_task_argument argument

)

{

  rtems_unsigned32    index;

  rtems_task_entry    task_entry;

  rtems_task_priority priority;

  rtems_id            task_id;

  rtems_status_code   status;

/*  As each task is started, it preempts this task and

 *  performs a blocking rtems_message_queue_receive.  Upon completion of

 *  this loop all created tasks are blocked.

 */

  status = rtems_message_queue_create(

    rtems_build_name( 'M', 'Q', '1', ' '  ),

    OPERATION_COUNT,

    MESSAGE_SIZE,

    RTEMS_DEFAULT_ATTRIBUTES,

    &Queue_id

  );

  directive_failed( status, "rtems_message_queue_create" );

  priority = 250;

  for( index = 0; index < OPERATION_COUNT ; index++ ) {

    status = rtems_task_create(

      rtems_build_name( 'T', 'I', 'M', 'E'  ),

      priority,

      RTEMS_MINIMUM_STACK_SIZE,

      RTEMS_DEFAULT_MODES,

      RTEMS_DEFAULT_ATTRIBUTES,

      &task_id

    );

    directive_failed( status, "rtems_task_create LOOP" );

    priority--;

    if ( index==OPERATION_COUNT-1 ) task_entry = High_task;

    else                            task_entry = Middle_tasks;

    status = rtems_task_start( task_id, task_entry, 0 );

    directive_failed( status, "rtems_task_start LOOP" );

  }

  Timer_initialize();

    (void) rtems_message_queue_send( Queue_id, Buffer, MESSAGE_SIZE );

}

rtems_task Middle_tasks(

  rtems_task_argument argument

)

{

  rtems_unsigned32 size;

  (void) rtems_message_queue_receive(

           Queue_id,

           (long (*)[4]) Buffer,

           &size,

           RTEMS_DEFAULT_OPTIONS,

           RTEMS_NO_TIMEOUT

         );

  (void) rtems_message_queue_send( Queue_id, (long (*)[4]) Buffer, size );

}

rtems_task High_task(

  rtems_task_argument argument

)

{

  rtems_unsigned32 size;

  (void) rtems_message_queue_receive(

           Queue_id,

           (long (*)[4]) Buffer,

           &size,

           RTEMS_DEFAULT_OPTIONS,

           RTEMS_NO_TIMEOUT

         );

  end_time = Read_timer();

  put_time(

    "rtems_message_queue_send: task readied -- preempts caller",

    end_time,

    OPERATION_COUNT,

    0,

    CALLING_OVERHEAD_MESSAGE_QUEUE_SEND

  );

  puts( "*** END OF TEST 11 ***" );

  exit( 0 );

}