4  * SPDX-License-Identifier: Apache-2.0
24 /* Ticks left to process in the currently-executing sys_clock_announce() */
41 	sys_dnode_t *t = sys_dlist_peek_head(&timeout_list);  in first()  local
43 	return (t == NULL) ? NULL : CONTAINER_OF(t, struct _timeout, node);  in first()
46 static struct _timeout *next(struct _timeout *t)  in next()  argument
48 	sys_dnode_t *n = sys_dlist_peek_next(&timeout_list, &t->node);  in next()
53 static void remove_timeout(struct _timeout *t)  in remove_timeout()  argument
55 	if (next(t) != NULL) {  in remove_timeout()
56 		next(t)->dticks += t->dticks;  in remove_timeout()
59 	sys_dlist_remove(&t->node);  in remove_timeout()
70 	 * will be scheduled at well-defined offsets from the currently firing  in elapsed()
77 	 * will be non-zero while sys_clock_announce() is executing and zero  in elapsed()
90 	    ((int64_t)(to->dticks - ticks_elapsed) > (int64_t)INT_MAX)) {  in next_timeout()
93 		ret = MAX(0, to->dticks - ticks_elapsed);  in next_timeout()
110 	__ASSERT(!sys_dnode_is_linked(&to->node), "");  in z_add_timeout()
111 	to->fn = fn;  in z_add_timeout()
114 		struct _timeout *t;  in z_add_timeout()  local
118 			k_ticks_t ticks = Z_TICK_ABS(timeout.ticks) - curr_tick;  in z_add_timeout()
120 			to->dticks = MAX(1, ticks);  in z_add_timeout()
122 			to->dticks = timeout.ticks + 1 + elapsed();  in z_add_timeout()
125 		for (t = first(); t != NULL; t = next(t)) {  in z_add_timeout()
126 			if (t->dticks > to->dticks) {  in z_add_timeout()
127 				t->dticks -= to->dticks;  in z_add_timeout()
128 				sys_dlist_insert(&t->node, &to->node);  in z_add_timeout()
131 			to->dticks -= t->dticks;  in z_add_timeout()
134 		if (t == NULL) {  in z_add_timeout()
135 			sys_dlist_append(&timeout_list, &to->node);  in z_add_timeout()
146 	int ret = -EINVAL;  in z_abort_timeout()
149 		if (sys_dnode_is_linked(&to->node)) {  in z_abort_timeout()
163 	for (struct _timeout *t = first(); t != NULL; t = next(t)) {  in timeout_rem()  local
164 		ticks += t->dticks;  in timeout_rem()
165 		if (timeout == t) {  in timeout_rem()
179 			ticks = timeout_rem(timeout) - elapsed();  in z_timeout_remaining()
215 	 * systems someone might be already running the loop.  Don't  in sys_clock_announce()
228 	struct _timeout *t;  in sys_clock_announce()  local
230 	for (t = first();  in sys_clock_announce()
231 	     (t != NULL) && (t->dticks <= announce_remaining);  in sys_clock_announce()
232 	     t = first()) {  in sys_clock_announce()
233 		int dt = t->dticks;  in sys_clock_announce()
236 		t->dticks = 0;  in sys_clock_announce()
237 		remove_timeout(t);  in sys_clock_announce()
240 		t->fn(t);  in sys_clock_announce()
242 		announce_remaining -= dt;  in sys_clock_announce()
245 	if (t != NULL) {  in sys_clock_announce()
246 		t->dticks -= announce_remaining;  in sys_clock_announce()
263 	uint64_t t = 0U;  in sys_clock_tick_get()  local
266 		t = curr_tick + elapsed();  in sys_clock_tick_get()
268 	return t;  in sys_clock_tick_get()
326 	remaining = (timepoint.tick > now) ? (timepoint.tick - now) : 0;  in sys_timepoint_timeout()