/*
*
* 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_unsigned32 time_set, eventout;
rtems_task High_tasks(
rtems_task_argument argument
);
rtems_task Low_task(
rtems_task_argument argument
);
void test_init();
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
Print_Warning();
puts( "\n\n*** TIME TEST 15 ***" );
test_init();
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
void test_init()
{
rtems_id id;
rtems_unsigned32 index;
rtems_event_set event_out;
rtems_status_code status;
time_set = FALSE;
status = rtems_task_create(
rtems_build_name( 'L', 'O', 'W', ' ' ),
10,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create LOW" );
status = rtems_task_start( id, Low_task, 0 );
directive_failed( status, "rtems_task_start LOW" );
for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_create(
rtems_build_name( 'H', 'I', 'G', 'H' ),
5,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[ index ]
);
directive_failed( status, "rtems_task_create LOOP" );
status = rtems_task_start( Task_id[ index ], High_tasks, 0 );
directive_failed( status, "rtems_task_start LOOP" );
}
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) Empty_function();
overhead = Read_timer();
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
{
(void) rtems_event_receive(
RTEMS_PENDING_EVENTS,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&event_out
);
}
end_time = Read_timer();
put_time(
"rtems_event_receive: obtain current events",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_EVENT_RECEIVE
);
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
{
(void) rtems_event_receive(
RTEMS_ALL_EVENTS,
RTEMS_NO_WAIT,
RTEMS_NO_TIMEOUT,
&event_out
);
}
end_time = Read_timer();
put_time(
"rtems_event_receive: not available -- NO_WAIT",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_EVENT_RECEIVE
);
}
rtems_task Low_task(
rtems_task_argument argument
)
{
rtems_unsigned32 index;
rtems_event_set event_out;
end_time = Read_timer();
put_time(
"rtems_event_receive: not available -- caller blocks",
end_time,
OPERATION_COUNT,
0,
CALLING_OVERHEAD_EVENT_RECEIVE
);
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) Empty_function();
overhead = Read_timer();
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_event_send( RTEMS_SELF, RTEMS_EVENT_16 );
end_time = Read_timer();
put_time(
"rtems_event_send: no task readied",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_EVENT_SEND
);
Timer_initialize();
(void) rtems_event_receive(
RTEMS_EVENT_16,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&event_out
);
end_time = Read_timer();
put_time(
"rtems_event_receive: available",
end_time,
1,
0,
CALLING_OVERHEAD_EVENT_RECEIVE
);
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_event_send( Task_id[ index ], RTEMS_EVENT_16 );
end_time = Read_timer();
put_time(
"rtems_event_send: task readied -- returns to caller",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_EVENT_SEND
);
puts( "*** END OF TEST 15 ***" );
rtems_test_exit( 0 );
}
rtems_task High_tasks(
rtems_task_argument argument
)
{
rtems_status_code status;
if ( time_set )
status = rtems_event_receive(
RTEMS_EVENT_16,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&eventout
);
else {
time_set = 1;
Timer_initialize(); /* start blocking rtems_event_receive time */
status = rtems_event_receive(
RTEMS_EVENT_16,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&eventout
);
}
}