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Diffstat (limited to 'testsuites/sptests/sp12/pritask.c')
-rw-r--r-- | testsuites/sptests/sp12/pritask.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/testsuites/sptests/sp12/pritask.c b/testsuites/sptests/sp12/pritask.c new file mode 100644 index 0000000000..155ef345cd --- /dev/null +++ b/testsuites/sptests/sp12/pritask.c @@ -0,0 +1,91 @@ +/* Priority_task + * + * This routine serves as a test task. It verifies the semaphore manager. + * + * Input parameters: + * its_index - priority index + * + * Output parameters: NONE + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * $Id$ + */ + +#include "system.h" + +rtems_task Priority_task( + rtems_task_argument its_index +) +{ + rtems_interval timeout; + rtems_task_priority its_priority; + rtems_task_priority current_priority; + rtems_status_code status; + rtems_unsigned32 index; + + its_priority = Task_priority[ its_index ]; + + if ( its_priority < 3 ) + timeout = 5 * TICKS_PER_SECOND; + else + timeout = RTEMS_NO_TIMEOUT; + + put_name( Priority_task_name[ its_index ], FALSE ); + puts( " - rtems_semaphore_obtain - wait forever on SM2" ); + + status = rtems_semaphore_obtain( + Semaphore_id[ 2 ], + RTEMS_DEFAULT_OPTIONS, + timeout + ); + directive_failed( status, "rtems_semaphore_obtain of SM2" ); + + if ( its_priority < 64 ) { + printf( "PRI%d - WHY AM I HERE? (pri=%d)", its_index, its_priority ); + exit( 0 ); + } + + if ( its_index == 5 ) + puts( "PRI5 - rtems_task_suspend - until all priority tasks blocked" ); + status = rtems_task_suspend( RTEMS_SELF ); + directive_failed( status, "rtems_task_suspend" ); + + puts( "PRI5 - rtems_task_delete - all tasks waiting on SM2" ); + for ( index = 1 ; index < 5 ; index++ ) { + status = rtems_task_delete( Priority_task_id[ index ] ); + directive_failed( status, "rtems_task_delete loop" ); + } + + puts( "PRI5 - rtems_semaphore_obtain - nested" ); + status = rtems_semaphore_obtain( + Semaphore_id[ 2 ], + RTEMS_DEFAULT_OPTIONS, + timeout + ); + directive_failed( status, "rtems_semaphore_obtain nested" ); + + puts( "PRI5 - rtems_semaphore_release - nested" ); + status = rtems_semaphore_release( Semaphore_id[ 2 ] ); + directive_failed( status, "rtems_semaphore_release nested " ); + + puts( "PRI5 - rtems_semaphore_release - restore priority" ); + status = rtems_semaphore_release( Semaphore_id[ 2 ] ); + directive_failed( status, "rtems_semaphore_release" ); + + status = rtems_task_set_priority( + RTEMS_SELF, + RTEMS_CURRENT_PRIORITY, + ¤t_priority + ); + directive_failed( status, "PRI5 rtems_task_set_priority CURRENT" ); + printf( "PRI5 - priority of PRI5 is %d\n", current_priority ); + + (void) rtems_task_suspend( RTEMS_SELF ); +} |