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 32 static inline int 33 mod_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 40 static inline unsigned long 41 round_jiffies_up(unsigned long j) 42 { 43 return roundup(j, hz); 44 } 45 46 static inline unsigned long 47 round_jiffies_up_relative(unsigned long j) 48 { 49 return roundup(j, hz); 50 } 51 52 #endif 53