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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tm05/] [task1.c] - Blame information for rev 484

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1 30 unneback
/*
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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 12:02:41 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         Task_id[OPERATION_COUNT+1];
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rtems_unsigned32 Task_index;
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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 Middle_tasks(
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  rtems_task_argument argument
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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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void test_init();
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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_status_code status;
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  Print_Warning();
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  puts( "\n\n*** TIME TEST 5 ***" );
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  test_init();
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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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void test_init()
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{
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  rtems_status_code   status;
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  rtems_task_entry    task_entry;
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  rtems_task_priority priority;
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  rtems_unsigned32    index;
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  priority = 250;
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  for( index = 0; index <= OPERATION_COUNT ; index++ ) {
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    status = rtems_task_create(
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      rtems_build_name( 'T', 'I', 'M', 'E' ),
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      priority,
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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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      &Task_id[ index ]
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    );
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    directive_failed( status, "rtems_task_create loop" );
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    priority--;
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    if ( index==0 )                    task_entry = Low_task;
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    else if ( index==OPERATION_COUNT ) task_entry = High_task;
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    else                               task_entry = Middle_tasks;
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    status = rtems_task_start( Task_id[ index ], task_entry, 0 );
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    directive_failed( status, "rtems_task_start loop" );
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  }
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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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  Timer_initialize();
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  (void) rtems_task_suspend( RTEMS_SELF );
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  end_time = Read_timer();
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  put_time(
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    "rtems_task_resume: task readied -- preempts caller",
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    end_time,
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    OPERATION_COUNT,
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    0,
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    CALLING_OVERHEAD_TASK_RESUME
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  );
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  puts( "*** END OF TEST 5 ***" );
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  exit( 0 );
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}
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rtems_task Middle_tasks(
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  rtems_task_argument argument
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)
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{
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  (void) rtems_task_suspend( RTEMS_SELF );
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  Task_index++;
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  (void) rtems_task_resume( Task_id[ Task_index ] );
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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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  end_time = Read_timer();
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  put_time(
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    "rtems_task_suspend: calling task",
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    end_time,
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    OPERATION_COUNT,
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    0,
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    CALLING_OVERHEAD_TASK_SUSPEND
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  );
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  Task_index = 1;
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  Timer_initialize();
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  (void) rtems_task_resume( Task_id[ Task_index ] );
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}

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