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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [sptests/] [sp04/] [task1.c] - Rev 382
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/* Task_1 * * This test serves as a test task. It verifies timeslicing activities * and tswitch extension processing. * * Input parameters: * argument - task argument * * Output parameters: NONE * * 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 12:02:31 chris Exp $ */ #include "system.h" static void showTaskSwitches (void) { int i; int switches = taskSwitchLogIndex; for (i = 0 ; i < switches ; i++) { put_name( Task_name[taskSwitchLog[i].taskIndex], FALSE ); print_time( "- ", &taskSwitchLog[i].when, "\n" ); } } rtems_task Task_1( rtems_task_argument argument ) { rtems_unsigned32 seconds; rtems_unsigned32 old_seconds; rtems_mode previous_mode; rtems_time_of_day time; rtems_status_code status; rtems_unsigned32 start_time; rtems_unsigned32 end_time; puts( "TA1 - rtems_task_suspend - on Task 2" ); status = rtems_task_suspend( Task_id[ 2 ] ); directive_failed( status, "rtems_task_suspend of TA2" ); puts( "TA1 - rtems_task_suspend - on Task 3" ); status = rtems_task_suspend( Task_id[ 3 ] ); directive_failed( status, "rtems_task_suspend of TA3" ); status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &start_time ); directive_failed( status, "rtems_clock_get" ); puts( "TA1 - killing time" ); for ( ; ; ) { status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &end_time ); directive_failed( status, "rtems_clock_get" ); if ( end_time > (start_time + 2) ) break; } puts( "TA1 - rtems_task_resume - on Task 2" ); status = rtems_task_resume( Task_id[ 2 ] ); directive_failed( status, "rtems_task_resume of TA2" ); puts( "TA1 - rtems_task_resume - on Task 3" ); status = rtems_task_resume( Task_id[ 3 ] ); directive_failed( status, "rtems_task_resume of TA3" ); while ( FOREVER ) { if ( Run_count[ 1 ] == 3 ) { puts( "TA1 - rtems_task_mode - change mode to NO RTEMS_PREEMPT" ); status = rtems_task_mode( RTEMS_NO_PREEMPT, RTEMS_PREEMPT_MASK, &previous_mode ); directive_failed( status, "rtems_task_mode" ); status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); directive_failed( status, "rtems_clock_get" ); old_seconds = time.second; for ( seconds = 0 ; seconds < 6 ; ) { status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); directive_failed( status, "rtems_clock_get" ); if ( time.second != old_seconds ) { old_seconds = time.second; seconds++; print_time( "TA1 - ", &time, "\n" ); } } puts( "TA1 - rtems_task_mode - change mode to RTEMS_PREEMPT" ); status = rtems_task_mode( RTEMS_PREEMPT, RTEMS_PREEMPT_MASK, &previous_mode ); directive_failed( status, "rtems_task_mode" ); while ( !testsFinished ); showTaskSwitches (); puts( "*** END OF TEST 4 ***" ); exit (0); } } }
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