C++ (Cpp) arch_get_time Examples

Example #1

File: time.c Project: bkolobara/Benu-pi

/*!
 * Get current time
 * \param clockid Clock to use
 * \param time Pointer where to store time
 */
int kclock_gettime ( clockid_t clockid, timespec_t *time )
{
	ASSERT(time && (clockid==CLOCK_REALTIME || clockid==CLOCK_MONOTONIC));

	arch_get_time ( time );

	return EXIT_SUCCESS;
}

Example #2

File: time.c Project: KarloKnezevic/SimpleOperatingSystem

/*! Iterate through active alarms and activate newly expired ones */
static void k_schedule_alarms ()
{
	kalarm_t *first;
	time_t time, ref_time;

	arch_get_time ( &time );
	ref_time = time;
	time_add ( &ref_time, &threshold );

	/* should any alarm be activated? */
	first = list_get ( &kalarms, FIRST );
	while ( first != NULL )
	{
		if ( time_cmp ( &first->alarm.exp_time, &ref_time ) <= 0 )
		{
			/* 'activate' alarm */

			/* but first remove alarm from list */
			first = list_remove ( &kalarms, FIRST, NULL );

			if ( first->alarm.flags & ALARM_PERIODIC )
			{
				/* calculate next activation time */
				time_add ( &first->alarm.exp_time,
					   &first->alarm.period );
				/* put back into list */
				list_sort_add ( &kalarms, first, &first->list,
						alarm_cmp );
			}
			else {
				first->active = 0;
			}

			if ( first->alarm.action ) /* activate alarm */
				first->alarm.action ( first->alarm.param );

			first = list_get ( &kalarms, FIRST );
		}
		else {
			break;
		}
	}

	first = list_get ( &kalarms, FIRST );
	if ( first )
	{
		ref_time = first->alarm.exp_time;
		time_sub ( &ref_time, &time );
		arch_timer_set ( &ref_time, k_timer_interrupt );
	}
}

Example #3

File: time.c Project: KarloKnezevic/SimpleOperatingSystem

/*!
 * Get current time
 * \param time Pointer where to store time
 */
void k_get_time ( time_t *time )
{
	arch_get_time ( time );
}

Example #4

File: time.c Project: AdamRLukaitis/oszur11-operating-system-examples

/*!
 * Iterate through active alarms and activate newly expired ones
 */
static int k_schedule_alarms ()
{
	kalarm_t *first;
	time_t time, ref_time;
	int resched_thr = 0;
	kprocess_t *proc;

	arch_get_time ( &time );
	ref_time = time;
	time_add ( &ref_time, &threshold );

	/* should any alarm be activated? */
	first = list_get ( &kalarms, FIRST );
	while ( first != NULL )
	{
		if ( time_cmp ( &first->alarm.exp_time, &ref_time ) <= 0 )
		{
			/* 'activate' alarm */

			/* but first remove alarm from list */
			first = list_remove ( &kalarms, FIRST, NULL );

			if ( first->alarm.flags & ALARM_PERIODIC )
			{
				/* calculate next activation time */
				time_add ( &first->alarm.exp_time,
					   &first->alarm.period );
				/* put back into list */
				list_sort_add ( &kalarms, first, &first->list,
						alarm_cmp );
			}
			else {
				first->active = 0;
			}

			if ( first->alarm.action )
			{
				/* call directly:

				first->alarm.action ( first->alarm.param );

				   or create new thread for that job: */

				if ( first->thread )
				{ /* alarm scheduled by thread */
				proc = k_get_thread_process ( first->thread );
				k_create_thread (
					first->alarm.action,
					first->alarm.param,
					proc->pi->exit,
					k_get_thread_prio ( first->thread ) + 1,
					NULL, 0, 1,
					proc
				);
				resched_thr++;
				}
				else { /* alarm scheduled by kernel */
				first->alarm.action ( first->alarm.param );
				}
			}

			resched_thr += k_release_all_threads ( &first->queue );

			first = list_get ( &kalarms, FIRST );
		}
		else {
			break;
		}
	}

	first = list_get ( &kalarms, FIRST );
	if ( first )
	{
		ref_time = first->alarm.exp_time;
		time_sub ( &ref_time, &time );
		arch_timer_set ( &ref_time, k_timer_interrupt );
	}

	return resched_thr;
}