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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tm22/] [task1.c] - Blame information for rev 30

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/*
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: task1.c,v 1.2 2001-09-27 12:02:43 chris Exp $
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 */
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#define TEST_INIT
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#include "system.h"
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rtems_id Queue_id;
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long Buffer[4];
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rtems_task Low_task(
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  rtems_task_argument argument
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);
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rtems_task High_task(
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  rtems_task_argument argument
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);
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rtems_task Preempt_task(
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  rtems_task_argument argument
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);
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#define MESSAGE_SIZE (sizeof(long) * 4)
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rtems_task Init(
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  rtems_task_argument argument
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)
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{
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  rtems_id          id;
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  rtems_status_code status;
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  Print_Warning();
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  puts( "\n\n*** TIME TEST 22 ***" );
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  status = rtems_message_queue_create(
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    rtems_build_name( 'M', 'Q', '1', ' '),
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    100,
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    MESSAGE_SIZE,
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    RTEMS_DEFAULT_ATTRIBUTES,
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    &Queue_id
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  );
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  directive_failed( status, "rtems_message_queue_create" );
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  status = rtems_task_create(
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    rtems_build_name( 'L', 'O', 'W', ' ' ),
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    10,
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    RTEMS_MINIMUM_STACK_SIZE,
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    RTEMS_NO_PREEMPT,
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    RTEMS_DEFAULT_ATTRIBUTES,
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    &id
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  );
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  directive_failed( status, "rtems_task_create" );
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  status = rtems_task_start( id, Low_task, 0 );
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  directive_failed( status, "rtems_task_start LOW" );
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  status = rtems_task_create(
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    1,
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    11,
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    RTEMS_MINIMUM_STACK_SIZE,
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    RTEMS_DEFAULT_MODES,
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    RTEMS_DEFAULT_ATTRIBUTES,
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    &id
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  );
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  directive_failed( status, "rtems_task_create RTEMS_PREEMPT" );
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  status = rtems_task_start( id, Preempt_task, 0 );
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  directive_failed( status, "rtems_task_start RTEMS_PREEMPT" );
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  status = rtems_task_delete( RTEMS_SELF );
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  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
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}
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rtems_task High_task(
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  rtems_task_argument argument
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)
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{
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  rtems_unsigned32  count;
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  rtems_status_code status;
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  Timer_initialize();
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    (void) rtems_message_queue_broadcast(
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             Queue_id,
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             Buffer,
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             MESSAGE_SIZE,
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             &count
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           );
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  end_time = Read_timer();
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  put_time(
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    "rtems_message_queue_broadcast: task readied -- returns to caller",
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    end_time,
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    1,
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    0,
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    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
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  );
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  status = rtems_task_suspend(RTEMS_SELF);
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  directive_failed( status, "rtems_task_suspend" );
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}
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rtems_task Low_task(
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  rtems_task_argument argument
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)
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{
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  rtems_id          id;
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  rtems_unsigned32  index;
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  rtems_unsigned32  count;
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  rtems_unsigned32  size;
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  rtems_status_code status;
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  status = rtems_task_create(
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    rtems_build_name( 'H', 'I', 'G', 'H' ),
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    5,
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    RTEMS_MINIMUM_STACK_SIZE,
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    RTEMS_NO_PREEMPT,
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    RTEMS_DEFAULT_ATTRIBUTES,
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    &id
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  );
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  directive_failed( status, "rtems_task_create" );
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  status = rtems_task_start( id, High_task, 0 );
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  directive_failed( status, "rtems_task_start HIGH" );
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  status = rtems_message_queue_receive(
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    Queue_id,
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    (long (*)[4]) Buffer,
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    &size,
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    RTEMS_DEFAULT_OPTIONS,
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    RTEMS_NO_TIMEOUT
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  );
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  directive_failed( status, "message_queu_receive" );
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  Timer_initialize();
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    for ( index=1 ; index <= OPERATION_COUNT ; index++ )
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      (void) rtems_message_queue_broadcast(
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               Queue_id,
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               Buffer,
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               MESSAGE_SIZE,
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               &count
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             );
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  end_time = Read_timer();
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  put_time(
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    "rtems_message_queue_broadcast: no waiting tasks",
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    end_time,
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    OPERATION_COUNT,
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    1,
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    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
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  );
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  (void) rtems_message_queue_receive(
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           Queue_id,
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           (long (*)[4]) Buffer,
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           &size,
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           RTEMS_DEFAULT_OPTIONS,
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           RTEMS_NO_TIMEOUT
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         );
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  /* should go to Preempt_task here */
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  end_time = Read_timer();
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  put_time(
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    "rtems_message_queue_broadcast: task readied -- preempts caller",
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    end_time,
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    1,
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    0,
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    CALLING_OVERHEAD_MESSAGE_QUEUE_BROADCAST
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  );
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  puts( "*** END OF TEST 22 ***" );
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  exit( 0 );
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}
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rtems_task Preempt_task(
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  rtems_task_argument argument
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)
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{
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  rtems_unsigned32  count;
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  Timer_initialize();
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    (void) rtems_message_queue_broadcast(
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             Queue_id,
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             Buffer,
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             MESSAGE_SIZE,
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             &count
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           );
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 /* should be preempted by low task */
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}

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