200 static inline void unlock_timer(struct k_itimer *timr, unsigned long flags)  in unlock_timer()  argument
202 	spin_unlock_irqrestore(&timr->it_lock, flags);  in unlock_timer()
351 static void schedule_next_timer(struct k_itimer *timr)  in schedule_next_timer()  argument
353 	struct hrtimer *timer = &timr->it.real.timer;  in schedule_next_timer()
355 	if (timr->it.real.interval.tv64 == 0)  in schedule_next_timer()
358 	timr->it_overrun += (unsigned int) hrtimer_forward(timer,  in schedule_next_timer()
360 						timr->it.real.interval);  in schedule_next_timer()
362 	timr->it_overrun_last = timr->it_overrun;  in schedule_next_timer()
363 	timr->it_overrun = -1;  in schedule_next_timer()
364 	++timr->it_requeue_pending;  in schedule_next_timer()
381 	struct k_itimer *timr;  in do_schedule_next_timer()  local
384 	timr = lock_timer(info->si_tid, &flags);  in do_schedule_next_timer()
386 	if (timr && timr->it_requeue_pending == info->si_sys_private) {  in do_schedule_next_timer()
387 		if (timr->it_clock < 0)  in do_schedule_next_timer()
388 			posix_cpu_timer_schedule(timr);  in do_schedule_next_timer()
390 			schedule_next_timer(timr);  in do_schedule_next_timer()
392 		info->si_overrun += timr->it_overrun_last;  in do_schedule_next_timer()
395 	if (timr)  in do_schedule_next_timer()
396 		unlock_timer(timr, flags);  in do_schedule_next_timer()
399 int posix_timer_event(struct k_itimer *timr, int si_private)  in posix_timer_event()  argument
414 	timr->sigq->info.si_sys_private = si_private;  in posix_timer_event()
417 	task = pid_task(timr->it_pid, PIDTYPE_PID);  in posix_timer_event()
419 		shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);  in posix_timer_event()
420 		ret = send_sigqueue(timr->sigq, task, shared);  in posix_timer_event()
437 	struct k_itimer *timr;  in posix_timer_fn()  local
442 	timr = container_of(timer, struct k_itimer, it.real.timer);  in posix_timer_fn()
443 	spin_lock_irqsave(&timr->it_lock, flags);  in posix_timer_fn()
445 	if (timr->it.real.interval.tv64 != 0)  in posix_timer_fn()
446 		si_private = ++timr->it_requeue_pending;  in posix_timer_fn()
448 	if (posix_timer_event(timr, si_private)) {  in posix_timer_fn()
454 		if (timr->it.real.interval.tv64 != 0) {  in posix_timer_fn()
483 				if (timr->it.real.interval.tv64 < kj.tv64)  in posix_timer_fn()
487 			timr->it_overrun += (unsigned int)  in posix_timer_fn()
489 						timr->it.real.interval);  in posix_timer_fn()
491 			++timr->it_requeue_pending;  in posix_timer_fn()
495 	unlock_timer(timr, flags);  in posix_timer_fn()
688 	struct k_itimer *timr;  in __lock_timer()  local
698 	timr = posix_timer_by_id(timer_id);  in __lock_timer()
699 	if (timr) {  in __lock_timer()
700 		spin_lock_irqsave(&timr->it_lock, *flags);  in __lock_timer()
701 		if (timr->it_signal == current->signal) {  in __lock_timer()
703 			return timr;  in __lock_timer()
705 		spin_unlock_irqrestore(&timr->it_lock, *flags);  in __lock_timer()
729 common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)  in common_timer_get()  argument
732 	struct hrtimer *timer = &timr->it.real.timer;  in common_timer_get()
736 	iv = timr->it.real.interval;  in common_timer_get()
742 		 (timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)  in common_timer_get()
752 	if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||  in common_timer_get()
753 	    (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))  in common_timer_get()
754 		timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);  in common_timer_get()
763 		if ((timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)  in common_timer_get()
774 	struct k_itimer *timr;  in SYSCALL_DEFINE2()  local
779 	timr = lock_timer(timer_id, &flags);  in SYSCALL_DEFINE2()
780 	if (!timr)  in SYSCALL_DEFINE2()
783 	kc = clockid_to_kclock(timr->it_clock);  in SYSCALL_DEFINE2()
787 		kc->timer_get(timr, &cur_setting);  in SYSCALL_DEFINE2()
789 	unlock_timer(timr, flags);  in SYSCALL_DEFINE2()
808 	struct k_itimer *timr;  in SYSCALL_DEFINE1()  local
812 	timr = lock_timer(timer_id, &flags);  in SYSCALL_DEFINE1()
813 	if (!timr)  in SYSCALL_DEFINE1()
816 	overrun = timr->it_overrun_last;  in SYSCALL_DEFINE1()
817 	unlock_timer(timr, flags);  in SYSCALL_DEFINE1()
825 common_timer_set(struct k_itimer *timr, int flags,  in common_timer_set()  argument
828 	struct hrtimer *timer = &timr->it.real.timer;  in common_timer_set()
832 		common_timer_get(timr, old_setting);  in common_timer_set()
835 	timr->it.real.interval.tv64 = 0;  in common_timer_set()
843 	timr->it_requeue_pending = (timr->it_requeue_pending + 2) &   in common_timer_set()
845 	timr->it_overrun_last = 0;  in common_timer_set()
852 	hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);  in common_timer_set()
853 	timr->it.real.timer.function = posix_timer_fn;  in common_timer_set()
858 	timr->it.real.interval = timespec_to_ktime(new_setting->it_interval);  in common_timer_set()
861 	if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {  in common_timer_set()
878 	struct k_itimer *timr;  in SYSCALL_DEFINE4()  local
895 	timr = lock_timer(timer_id, &flag);  in SYSCALL_DEFINE4()
896 	if (!timr)  in SYSCALL_DEFINE4()
899 	kc = clockid_to_kclock(timr->it_clock);  in SYSCALL_DEFINE4()
903 		error = kc->timer_set(timr, flags, &new_spec, rtn);  in SYSCALL_DEFINE4()
905 	unlock_timer(timr, flag);  in SYSCALL_DEFINE4()