/*
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* $Id$
*/
#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 );
}