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fabacfedb8
* PR145. * sp04/task1.c, sp04/tswitch.c: Test fails if other tasks present in system (e.g. driver tasks). Also exit on minimum number of switches not precise number.
118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/* 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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* $Id$
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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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