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1/* $OpenBSD: timer.h,v 1.9 2024/01/16 23:38:13 jsg Exp $ */
2/*
3 * Copyright (c) 2013, 2014, 2015 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef _LINUX_TIMER_H
19#define _LINUX_TIMER_H
20
21#include <sys/types.h>
22#include <sys/param.h>
23#include <sys/timeout.h>
24#include <sys/kernel.h>
25#include <linux/ktime.h>
26
27#define del_timer_sync(x) timeout_del_barrier((x))
28#define timer_shutdown_sync(x) timeout_del_barrier((x))
29#define del_timer(x) timeout_del((x))
30#define timer_pending(x) timeout_pending((x))
31
32static inline int
33mod_timer(struct timeout *to, unsigned long j)
34{
35 if (j <= jiffies)
36 return timeout_add(to, 1);
37 return timeout_add(to, j - jiffies);
38}
39
40static inline unsigned long
41round_jiffies_up(unsigned long j)
42{
43 return roundup(j, hz);
44}
45
46static inline unsigned long
47round_jiffies_up_relative(unsigned long j)
48{
49 return roundup(j, hz);
50}
51
52#endif