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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [sptests/] [sp04/] [task1.c] - Blame information for rev 509

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1 30 unneback
/*  Task_1
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 *
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 *  This test serves as a test task.  It verifies timeslicing activities
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 *  and tswitch extension processing.
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 *
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 *  Input parameters:
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 *    argument - task argument
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 *
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 *  Output parameters:  NONE
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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 12:02:31 chris Exp $
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 */
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#include "system.h"
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static void
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showTaskSwitches (void)
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{
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  int i;
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  int switches = taskSwitchLogIndex;
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  for (i = 0 ; i < switches ; i++) {
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      put_name( Task_name[taskSwitchLog[i].taskIndex], FALSE );
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      print_time( "- ", &taskSwitchLog[i].when, "\n" );
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  }
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}
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rtems_task Task_1(
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  rtems_task_argument argument
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)
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{
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  rtems_unsigned32  seconds;
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  rtems_unsigned32  old_seconds;
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  rtems_mode        previous_mode;
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  rtems_time_of_day time;
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  rtems_status_code status;
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  rtems_unsigned32  start_time;
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  rtems_unsigned32  end_time;
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  puts( "TA1 - rtems_task_suspend - on Task 2" );
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  status = rtems_task_suspend( Task_id[ 2 ] );
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  directive_failed( status, "rtems_task_suspend of TA2" );
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  puts( "TA1 - rtems_task_suspend - on Task 3" );
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  status = rtems_task_suspend( Task_id[ 3 ] );
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  directive_failed( status, "rtems_task_suspend of TA3" );
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  status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &start_time );
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  directive_failed( status, "rtems_clock_get" );
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  puts( "TA1 - killing time" );
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  for ( ; ; ) {
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    status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &end_time );
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    directive_failed( status, "rtems_clock_get" );
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    if ( end_time > (start_time + 2) )
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      break;
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  }
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  puts( "TA1 - rtems_task_resume - on Task 2" );
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  status = rtems_task_resume( Task_id[ 2 ] );
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  directive_failed( status, "rtems_task_resume of TA2" );
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  puts( "TA1 - rtems_task_resume - on Task 3" );
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  status = rtems_task_resume( Task_id[ 3 ] );
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  directive_failed( status, "rtems_task_resume of TA3" );
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  while ( FOREVER ) {
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    if ( Run_count[ 1 ] == 3 ) {
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      puts( "TA1 - rtems_task_mode - change mode to NO RTEMS_PREEMPT" );
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      status = rtems_task_mode(
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        RTEMS_NO_PREEMPT,
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        RTEMS_PREEMPT_MASK,
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        &previous_mode
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      );
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      directive_failed( status, "rtems_task_mode" );
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      status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );
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      directive_failed( status, "rtems_clock_get" );
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      old_seconds = time.second;
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      for ( seconds = 0 ; seconds < 6 ; ) {
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        status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time );
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        directive_failed( status, "rtems_clock_get" );
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        if ( time.second != old_seconds ) {
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          old_seconds = time.second;
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          seconds++;
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          print_time( "TA1 - ", &time, "\n" );
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        }
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      }
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      puts( "TA1 - rtems_task_mode - change mode to RTEMS_PREEMPT" );
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      status = rtems_task_mode(
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        RTEMS_PREEMPT,
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        RTEMS_PREEMPT_MASK,
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        &previous_mode
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      );
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      directive_failed( status, "rtems_task_mode" );
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      while ( !testsFinished );
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      showTaskSwitches ();
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      puts( "*** END OF TEST 4 ***" );
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      exit (0);
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    }
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  }
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}

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