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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [sptests/] [sp07/] [task2.c] - Rev 232
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/* Task_2 * * This routine serves as a test task. Plays with priorities to verify * that the highest priority task is always executed. * * 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: task2.c,v 1.2 2001-09-27 12:02:31 chris Exp $ */ #include "system.h" rtems_task Task_2( rtems_task_argument argument ) { rtems_status_code status; rtems_task_priority the_priority; rtems_task_priority previous_priority; while( FOREVER ) { status = rtems_task_get_note( RTEMS_SELF, RTEMS_NOTEPAD_8, &the_priority ); directive_failed( status, "rtems_task_get_note" ); printf( "TA2 - rtems_task_get_note - get RTEMS_NOTEPAD_8 - current priority: %02d\n", the_priority ); if ( --the_priority == 0 ) { puts( "TA2 - rtems_task_suspend - suspend TA1" ); status = rtems_task_suspend( Task_id[ 1 ] ); directive_failed( status, "rtems_task_suspend" ); puts( "TA2 - rtems_task_set_priority - set priority of TA1 ( blocked )" ); status = rtems_task_set_priority( Task_id[ 1 ], 5, &previous_priority ); directive_failed( status, "rtems_task_set_priority" ); status = rtems_task_delete( Task_id[ 1 ] ); /* TA1 is blocked */ directive_failed( status, "rtems_task_delete of TA1" ); status = rtems_task_delete( Task_id[ 3 ] ); /* TA3 is ready */ directive_failed( status, "rtems_task_delete of TA3" ); status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of SELD" ); } else { printf( "TA2 - rtems_task_set_note - set TA1's RTEMS_NOTEPAD_8: %02d\n", the_priority ); status = rtems_task_set_note(Task_id[ 1 ], RTEMS_NOTEPAD_8, the_priority); directive_failed( status, "rtems_task_set_note" ); printf( "TA2 - rtems_task_set_priority - set TA1's priority: %02d\n", the_priority ); status = rtems_task_set_priority( Task_id[ 1 ], the_priority, &previous_priority ); directive_failed( status, "rtems_task_set_priority" ); } } }
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