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()
358 static void schedule_next_timer(struct k_itimer *timr)  in schedule_next_timer()  argument
360 	struct hrtimer *timer = &timr->it.real.timer;  in schedule_next_timer()
362 	if (timr->it.real.interval.tv64 == 0)  in schedule_next_timer()
365 	timr->it_overrun += (unsigned int) hrtimer_forward(timer,  in schedule_next_timer()
367 						timr->it.real.interval);  in schedule_next_timer()
369 	timr->it_overrun_last = timr->it_overrun;  in schedule_next_timer()
370 	timr->it_overrun = -1;  in schedule_next_timer()
371 	++timr->it_requeue_pending;  in schedule_next_timer()
388 	struct k_itimer *timr;  in do_schedule_next_timer()  local
391 	timr = lock_timer(info->si_tid, &flags);  in do_schedule_next_timer()
393 	if (timr && timr->it_requeue_pending == info->si_sys_private) {  in do_schedule_next_timer()
394 		if (timr->it_clock < 0)  in do_schedule_next_timer()
395 			posix_cpu_timer_schedule(timr);  in do_schedule_next_timer()
397 			schedule_next_timer(timr);  in do_schedule_next_timer()
399 		info->si_overrun += timr->it_overrun_last;  in do_schedule_next_timer()
402 	if (timr)  in do_schedule_next_timer()
403 		unlock_timer(timr, flags);  in do_schedule_next_timer()
406 int posix_timer_event(struct k_itimer *timr, int si_private)  in posix_timer_event()  argument
421 	timr->sigq->info.si_sys_private = si_private;  in posix_timer_event()
424 	task = pid_task(timr->it_pid, PIDTYPE_PID);  in posix_timer_event()
426 		shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);  in posix_timer_event()
427 		ret = send_sigqueue(timr->sigq, task, shared);  in posix_timer_event()
444 	struct k_itimer *timr;  in posix_timer_fn()  local
449 	timr = container_of(timer, struct k_itimer, it.real.timer);  in posix_timer_fn()
450 	spin_lock_irqsave(&timr->it_lock, flags);  in posix_timer_fn()
452 	if (timr->it.real.interval.tv64 != 0)  in posix_timer_fn()
453 		si_private = ++timr->it_requeue_pending;  in posix_timer_fn()
455 	if (posix_timer_event(timr, si_private)) {  in posix_timer_fn()
461 		if (timr->it.real.interval.tv64 != 0) {  in posix_timer_fn()
490 				if (timr->it.real.interval.tv64 < kj.tv64)  in posix_timer_fn()
494 			timr->it_overrun += (unsigned int)  in posix_timer_fn()
496 						timr->it.real.interval);  in posix_timer_fn()
498 			++timr->it_requeue_pending;  in posix_timer_fn()
502 	unlock_timer(timr, flags);  in posix_timer_fn()
695 	struct k_itimer *timr;  in __lock_timer()  local
705 	timr = posix_timer_by_id(timer_id);  in __lock_timer()
706 	if (timr) {  in __lock_timer()
707 		spin_lock_irqsave(&timr->it_lock, *flags);  in __lock_timer()
708 		if (timr->it_signal == current->signal) {  in __lock_timer()
710 			return timr;  in __lock_timer()
712 		spin_unlock_irqrestore(&timr->it_lock, *flags);  in __lock_timer()
736 common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)  in common_timer_get()  argument
739 	struct hrtimer *timer = &timr->it.real.timer;  in common_timer_get()
743 	iv = timr->it.real.interval;  in common_timer_get()
749 		 (timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)  in common_timer_get()
759 	if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||  in common_timer_get()
760 	    (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))  in common_timer_get()
761 		timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);  in common_timer_get()
770 		if ((timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)  in common_timer_get()
781 	struct k_itimer *timr;  in SYSCALL_DEFINE2()  local
786 	timr = lock_timer(timer_id, &flags);  in SYSCALL_DEFINE2()
787 	if (!timr)  in SYSCALL_DEFINE2()
790 	kc = clockid_to_kclock(timr->it_clock);  in SYSCALL_DEFINE2()
794 		kc->timer_get(timr, &cur_setting);  in SYSCALL_DEFINE2()
796 	unlock_timer(timr, flags);  in SYSCALL_DEFINE2()
815 	struct k_itimer *timr;  in SYSCALL_DEFINE1()  local
819 	timr = lock_timer(timer_id, &flags);  in SYSCALL_DEFINE1()
820 	if (!timr)  in SYSCALL_DEFINE1()
823 	overrun = timr->it_overrun_last;  in SYSCALL_DEFINE1()
824 	unlock_timer(timr, flags);  in SYSCALL_DEFINE1()
832 common_timer_set(struct k_itimer *timr, int flags,  in common_timer_set()  argument
835 	struct hrtimer *timer = &timr->it.real.timer;  in common_timer_set()
839 		common_timer_get(timr, old_setting);  in common_timer_set()
842 	timr->it.real.interval.tv64 = 0;  in common_timer_set()
850 	timr->it_requeue_pending = (timr->it_requeue_pending + 2) &   in common_timer_set()
852 	timr->it_overrun_last = 0;  in common_timer_set()
859 	hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);  in common_timer_set()
860 	timr->it.real.timer.function = posix_timer_fn;  in common_timer_set()
865 	timr->it.real.interval = timespec_to_ktime(new_setting->it_interval);  in common_timer_set()
868 	if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {  in common_timer_set()
885 	struct k_itimer *timr;  in SYSCALL_DEFINE4()  local
902 	timr = lock_timer(timer_id, &flag);  in SYSCALL_DEFINE4()
903 	if (!timr)  in SYSCALL_DEFINE4()
906 	kc = clockid_to_kclock(timr->it_clock);  in SYSCALL_DEFINE4()
910 		error = kc->timer_set(timr, flags, &new_spec, rtn);  in SYSCALL_DEFINE4()
912 	unlock_timer(timr, flag);  in SYSCALL_DEFINE4()