osfmk/kern/syscall_subr.c

205 	register thread_t	self = current_thread();
206 	int					option = self->saved.swtch.option;
209 		thread_depress_abort_internal(self);
224 	register thread_t		thread, self = current_thread();
251 		if (ipc_port_translate_send(self->task->itk_space,
259 			if (thread == self) {
308 			self->saved.swtch.option = option;
310 			thread_run(self, (thread_continue_t)thread_switch_continue, NULL, thread);
326 	self->saved.swtch.option = option;
331 		thread_depress_abort_internal(self);
344 	register thread_t		self = current_thread();
349     thread_lock(self);
350 	if (!(self->sched_flags & TH_SFLAG_DEPRESSED_MASK)) {
351 		processor_t		myprocessor = self->last_processor;
353 		self->sched_pri = DEPRESSPRI;
354 		myprocessor->current_pri = self->sched_pri;
355 		self->sched_flags |= TH_SFLAG_DEPRESS;
359 			if (!timer_call_enter(&self->depress_timer, deadline, TIMER_CALL_CRITICAL))
360 				self->depress_timer_active++;
363 	thread_unlock(self);
429 	thread_t		self)
433 	assert(self == current_thread());
436 	if (self->sched_mode == TH_MODE_FIXED) {
440 		total_computation = abstime - self->computation_epoch;
441 		total_computation += self->computation_metered;
446 			thread_lock(self);
447 			if (!(self->sched_flags & TH_SFLAG_DEPRESSED_MASK)) {
448 				self->sched_pri = DEPRESSPRI;
449 				myprocessor->current_pri = self->sched_pri;
451 			self->computation_epoch = abstime;
452 			self->computation_metered = 0;
453 			self->sched_flags |= TH_SFLAG_POLLDEPRESS;
456 			if (!timer_call_enter(&self->depress_timer, abstime, TIMER_CALL_CRITICAL))
457 				self->depress_timer_active++;
458 			thread_unlock(self);