Files
rtems/testsuites/psxtests/psx11/task.c
Joel Sherrill 33c46f1a70 2010-10-21 Joel Sherrill <joel.sherrill@oarcorp.com>
* psx02/init.c, psx02/task.c, psx03/init.c, psx04/init.c,
	psx04/task1.c, psx04/task2.c, psx04/task3.c, psx05/init.c,
	psx05/task.c, psx05/task2.c, psx05/task3.c, psx06/init.c,
	psx06/task.c, psx06/task2.c, psx07/init.c, psx08/init.c,
	psx08/task2.c, psx08/task3.c, psx09/init.c, psx10/init.c,
	psx10/task.c, psx10/task2.c, psx10/task3.c, psx11/init.c,
	psx11/task.c, psx12/init.c, psxalarm01/init.c, psxbarrier01/test.c,
	psxcancel01/init.c, psxchroot01/test.c, psxitimer/init.c,
	psxkey01/task.c, psxkey02/init.c, psxkey03/init.c, psxmount/test.c,
	psxmsgq01/init.c, psxmsgq03/init.c, psxmsgq04/init.c,
	psxrwlock01/test.c, psxsem01/init.c, psxsignal01/init.c,
	psxsignal01/task1.c, psxsignal02/init.c, psxsignal03/init.c,
	psxsignal05/init.c, psxspin01/test.c, psxspin02/test.c,
	psxstack01/init.c, psxstack02/init.c, psxualarm/init.c: Eliminate
	double space after parenthesis on rtems_test_assert().
2010-10-21 21:22:25 +00:00

92 lines
1.9 KiB
C

/* Task_1
*
* This routine serves as a test task. It verifies the basic task
* switching capabilities of the executive.
*
* Input parameters:
* argument - task argument
*
* Output parameters: NONE
*
* COPYRIGHT (c) 1989-2009.
* 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.com/license/LICENSE.
*
* $Id$
*/
#include "system.h"
#include <time.h>
#include <sched.h>
void diff_timespec(
struct timespec *start,
struct timespec *stop,
struct timespec *result
)
{
const long nsecs_per_sec = 1000000000;
result->tv_sec = stop->tv_sec - start->tv_sec;
if ( stop->tv_nsec < start->tv_nsec ) {
result->tv_nsec = nsecs_per_sec - start->tv_nsec + stop->tv_nsec;
result->tv_sec--;
} else
result->tv_nsec = stop->tv_nsec - start->tv_nsec;
}
void *Task_1(
void *argument
)
{
int status;
struct timespec start;
struct timespec current;
struct timespec difference;
struct timespec delay;
status = clock_gettime( CLOCK_REALTIME, &start );
rtems_test_assert( !status );
status = sched_rr_get_interval( getpid(), &delay );
rtems_test_assert( !status );
/* double the rr interval for confidence */
delay.tv_sec *= 2;
delay.tv_nsec *= 2;
if ( delay.tv_nsec >= 1000000000 ) { /* handle overflow/carry */
delay.tv_nsec -= 1000000000;
delay.tv_sec++;
}
puts( "Task_1: killing time" );
for ( ; ; ) {
status = clock_gettime( CLOCK_REALTIME, &current );
rtems_test_assert( !status );
diff_timespec( &start, &current, &difference );
if ( difference.tv_sec < delay.tv_sec )
continue;
if ( difference.tv_sec > delay.tv_sec )
break;
if ( difference.tv_nsec > delay.tv_nsec )
break;
}
puts( "Task_1: exitting" );
pthread_exit( NULL );
return NULL; /* just so the compiler thinks we returned something */
}