57 lines
2.0 KiB
C
57 lines
2.0 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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* 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 _LINUX_JIFFIES_H_
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#define _LINUX_JIFFIES_H_
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <sys/time.h>
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#include <sys/kernel.h>
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static inline int
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msecs_to_jiffies(int msec)
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{
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struct timeval tv;
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tv.tv_sec = msec / 1000;
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tv.tv_usec = (msec % 1000) * 1000;
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return (tvtohz(&tv));
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}
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#define jiffies ticks
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#define time_after(a, b) ((long)(b) - (long)(a) < 0)
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#define time_before(a, b) time_after(b,a)
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#define time_after_eq(a, b) ((long)(a) - (long)(b) >= 0)
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#define time_before_eq(a, b) time_after_eq(b, a)
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#define HZ hz
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#endif /* _LINUX_JIFFIES_H_ */
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