mirror of
https://github.com/opnsense/src.git
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2bb0efbb7b
There are possible problems when jiffies (ticks) which still are int
wrap around. Also given this did not touch every single place some
checks may be broken now.
Reported by: markj
This reverts commit fd27f86dd7.
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_LINUX_TIMER_H_
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#define _LINUXKPI_LINUX_TIMER_H_
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#include <linux/types.h>
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/callout.h>
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struct timer_list {
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struct callout callout;
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union {
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void (*function) (unsigned long); /* < v4.15 */
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void (*function_415) (struct timer_list *);
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};
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unsigned long data;
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int expires;
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};
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extern unsigned long linux_timer_hz_mask;
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#define TIMER_IRQSAFE 0x0001
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#define from_timer(var, arg, field) \
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container_of(arg, typeof(*(var)), field)
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#define timer_setup(timer, func, flags) do { \
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CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \
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(timer)->function_415 = (func); \
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(timer)->data = (unsigned long)(timer); \
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callout_init(&(timer)->callout, 1); \
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} while (0)
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#define setup_timer(timer, func, dat) do { \
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(timer)->function = (func); \
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(timer)->data = (dat); \
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callout_init(&(timer)->callout, 1); \
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} while (0)
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#define __setup_timer(timer, func, dat, flags) do { \
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CTASSERT(((flags) & ~TIMER_IRQSAFE) == 0); \
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setup_timer(timer, func, dat); \
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} while (0)
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#define init_timer(timer) do { \
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(timer)->function = NULL; \
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(timer)->data = 0; \
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callout_init(&(timer)->callout, 1); \
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} while (0)
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extern int mod_timer(struct timer_list *, int);
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extern void add_timer(struct timer_list *);
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extern void add_timer_on(struct timer_list *, int cpu);
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extern int del_timer(struct timer_list *);
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extern int del_timer_sync(struct timer_list *);
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extern int timer_delete_sync(struct timer_list *);
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extern int timer_shutdown_sync(struct timer_list *);
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#define timer_pending(timer) callout_pending(&(timer)->callout)
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#define round_jiffies(j) \
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((int)(((j) + linux_timer_hz_mask) & ~linux_timer_hz_mask))
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#define round_jiffies_relative(j) round_jiffies(j)
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#define round_jiffies_up(j) round_jiffies(j)
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#define round_jiffies_up_relative(j) round_jiffies_up(j)
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#endif /* _LINUXKPI_LINUX_TIMER_H_ */
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