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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tm17/] [task1.c] - Rev 593
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/* * * 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 12:02:43 chris Exp $ */ #define TEST_INIT #include "system.h" rtems_unsigned32 Task_count; rtems_task_priority Task_priority; rtems_task First_task( rtems_task_argument argument ); rtems_task Middle_tasks( rtems_task_argument argument ); rtems_task Last_task( rtems_task_argument argument ); rtems_task Init( rtems_task_argument argument ) { rtems_task_entry task_entry; rtems_unsigned32 index; rtems_status_code status; Print_Warning(); puts( "\n\n*** TIME TEST 17 ***" ); Task_priority = 254; for( index = 0; index <= OPERATION_COUNT ; index++ ) { status = rtems_task_create( rtems_build_name( 'T', 'I', 'M', 'E' ), Task_priority, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ index ] ); directive_failed( status, "rtems_task_create loop" ); if ( index == OPERATION_COUNT ) task_entry = Last_task; else if ( index == 0 ) task_entry = First_task; else task_entry = Middle_tasks; status = rtems_task_start( Task_id[ index ], task_entry, 0 ); directive_failed( status, "rtems_task_start loop" ); } Task_count = 1; status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); } rtems_task First_task( rtems_task_argument argument ) { rtems_task_priority previous_priority; Timer_initialize(); Task_priority--; Task_count++; (void) rtems_task_set_priority( Task_id[ Task_count ], Task_priority, &previous_priority ); } rtems_task Middle_tasks( rtems_task_argument argument ) { rtems_task_priority previous_priority; Task_priority--; Task_count++; (void) rtems_task_set_priority( Task_id[ Task_count ], Task_priority, &previous_priority ); } rtems_task Last_task( rtems_task_argument argument ) { rtems_unsigned32 index; end_time = Read_timer(); Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) Empty_function(); overhead = Read_timer(); put_time( "rtems_task_set_priority: preempts caller", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_TASK_SET_PRIORITY ); puts( "*** END OF TEST 17 ***" ); exit( 0 ); }
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