C++ (Cpp) timer_call_dequeue_unlocked Examples

Example #1

File: timer_call.c Project: JackieXie168/xnu

boolean_t
timer_call_cancel(
	timer_call_t		call)
{
	mpqueue_head_t		*old_queue;
	spl_t			s;

	s = splclock();

	TIMER_KDEBUG_TRACE(KDEBUG_TRACE,
        	DECR_TIMER_CANCEL | DBG_FUNC_START,
		VM_KERNEL_UNSLIDE_OR_PERM(call),
		TCE(call)->deadline, call->soft_deadline, call->flags, 0);

	old_queue = timer_call_dequeue_unlocked(call);

	if (old_queue != NULL) {
		timer_queue_lock_spin(old_queue);
		if (!queue_empty(&old_queue->head)) {
			timer_queue_cancel(old_queue, TCE(call)->deadline, CE(queue_first(&old_queue->head))->deadline);
 			timer_call_t thead = (timer_call_t)queue_first(&old_queue->head);
 			old_queue->earliest_soft_deadline = thead->flags & TIMER_CALL_RATELIMITED ? TCE(thead)->deadline : thead->soft_deadline;
		}
		else {
			timer_queue_cancel(old_queue, TCE(call)->deadline, UINT64_MAX);
			old_queue->earliest_soft_deadline = UINT64_MAX;
		}
		timer_queue_unlock(old_queue);
	}
	TIMER_KDEBUG_TRACE(KDEBUG_TRACE,
        	DECR_TIMER_CANCEL | DBG_FUNC_END,
		VM_KERNEL_UNSLIDE_OR_PERM(call),
		VM_KERNEL_UNSLIDE_OR_PERM(old_queue),
		TCE(call)->deadline - mach_absolute_time(),
		TCE(call)->deadline - TCE(call)->entry_time, 0);
	splx(s);

#if CONFIG_DTRACE
	DTRACE_TMR6(callout__cancel, timer_call_func_t, TCE(call)->func,
	    timer_call_param_t, TCE(call)->param0, uint32_t, call->flags, 0,
	    (call->ttd >> 32), (unsigned) (call->ttd & 0xFFFFFFFF));
#endif

	return (old_queue != NULL);
}

Example #2

File: timer_call.c Project: andrekandore/xnu

boolean_t
timer_call_cancel(
	timer_call_t		call)
{
	mpqueue_head_t		*old_queue;
	spl_t			s;

	s = splclock();

	old_queue = timer_call_dequeue_unlocked(call);

	if (old_queue != NULL) {
		timer_call_lock_spin(old_queue);
		if (!queue_empty(&old_queue->head))
			timer_queue_cancel(old_queue, CE(call)->deadline, CE(queue_first(&old_queue->head))->deadline);
		else
			timer_queue_cancel(old_queue, CE(call)->deadline, UINT64_MAX);
		timer_call_unlock(old_queue);
	}
	splx(s);

	return (old_queue != NULL);
}