/*
* COPYRIGHT (c) 1989-2013.
* 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.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define CONFIGURE_INIT
#include "system.h"
const char rtems_test_name[] = "TIME TEST 16";
uint32_t Task_count;
rtems_task test_init(
rtems_task_argument argument
);
rtems_task Middle_tasks(
rtems_task_argument argument
);
rtems_task High_task(
rtems_task_argument argument
);
int operation_count = OPERATION_COUNT;
rtems_task Init(
rtems_task_argument argument
)
{
rtems_id id;
rtems_status_code status;
Print_Warning();
TEST_BEGIN();
status = rtems_task_create(
rtems_build_name( 'T', 'E', 'S', 'T' ),
RTEMS_MAXIMUM_PRIORITY - 1u,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create of test_init" );
status = rtems_task_start( 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_task_priority priority;
rtems_status_code status;
int index;
rtems_task_entry task_entry;
/* As each task is started, it preempts this task and
* performs a blocking rtems_event_receive. Upon completion of
* this loop all created tasks are blocked.
*/
priority = RTEMS_MAXIMUM_PRIORITY - 2u;
if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2u )
operation_count = (int) (RTEMS_MAXIMUM_PRIORITY - 2u);
for( index = 0 ; index < operation_count ; index++ ) {
status = rtems_task_create(
rtems_build_name( 'M', 'I', 'D', ' ' ),
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-1 ) task_entry = High_task;
else task_entry = Middle_tasks;
status = rtems_task_start( Task_id[ index ], task_entry, 0 );
directive_failed( status, "rtems_task_start LOOP" );
priority--;
}
Task_count = 0;
benchmark_timer_initialize();
(void) rtems_event_send( Task_id[ Task_count ], RTEMS_EVENT_16 );
/* preempts task */
}
rtems_task Middle_tasks(
rtems_task_argument argument
)
{
rtems_event_set event_out;
(void) rtems_event_receive( /* task blocks */
RTEMS_EVENT_16,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&event_out
);
Task_count++;
(void) rtems_event_send( /* preempts task */
Task_id[ Task_count ],
RTEMS_EVENT_16
);
}
rtems_task High_task(
rtems_task_argument argument
)
{
rtems_event_set event_out;
(void) rtems_event_receive( /* task blocks */
RTEMS_EVENT_16,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&event_out
);
end_time = benchmark_timer_read();
put_time(
"rtems_event_send: task readied preempts caller",
end_time,
operation_count - 1u,
0u,
0
);
TEST_END();
rtems_test_exit( 0 );
}