/*
*
* 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.
*
* $Id$
*/
#define TEST_INIT
#include "system.h"
rtems_id Semaphore_id;
rtems_task test_init(
rtems_task_argument argument
);
rtems_task Middle_tasks(
rtems_task_argument argument
);
rtems_task High_task(
rtems_task_argument argument
);
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
rtems_id task_id;
Print_Warning();
puts( "\n\n*** TIME TEST 3 ***" );
status = rtems_task_create(
rtems_build_name( 'T', 'A', '1', ' ' ),
252,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create of test_init" );
status = rtems_task_start( task_id, test_init, 0 );
directive_failed( status, "rtems_task_start of test_init" );
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
rtems_task test_init(
rtems_task_argument argument
)
{
rtems_status_code status;
rtems_unsigned32 index;
rtems_id task_id;
rtems_task_priority priority;
priority = 250;
status = rtems_semaphore_create(
rtems_build_name( 'S', 'M', '1', '\0'),
0,
RTEMS_DEFAULT_ATTRIBUTES,
RTEMS_NO_PRIORITY,
&Semaphore_id
);
directive_failed( status, "rtems_semaphore_create of SM1" );
for ( index = 2 ; index <= OPERATION_COUNT ; index ++ ) {
rtems_task_create(
rtems_build_name( 'M', 'I', 'D', ' ' ),
priority,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create middle" );
priority--;
rtems_task_start( task_id, Middle_tasks, 0 );
directive_failed( status, "rtems_task_start middle" );
}
status = rtems_task_create(
rtems_build_name( 'H', 'I', 'G', 'H' ),
priority,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create of high task" );
status = rtems_task_start( task_id, High_task, 0 );
directive_failed( status, "rtems_task_start of high task" );
Timer_initialize(); /* start the timer */
status = rtems_semaphore_release( Semaphore_id );
}
rtems_task Middle_tasks(
rtems_task_argument argument
)
{
rtems_status_code status;
status = rtems_semaphore_obtain(
Semaphore_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
status = rtems_semaphore_release( Semaphore_id );
}
rtems_task High_task(
rtems_task_argument argument
)
{
rtems_status_code status;
status = rtems_semaphore_obtain(
Semaphore_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
end_time = Read_timer();
put_time(
"rtems_semaphore_release: task readied -- preempts caller",
end_time,
OPERATION_COUNT,
0,
CALLING_OVERHEAD_SEMAPHORE_RELEASE
);
puts( "*** END OF TEST 3 ***" );
exit( 0 );
}