diff options
author | wollman <wollman@FreeBSD.org> | 2001-01-23 04:44:04 +0000 |
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committer | wollman <wollman@FreeBSD.org> | 2001-01-23 04:44:04 +0000 |
commit | 7885956de1c3defa0003f266eff5748c7d9157d0 (patch) | |
tree | b373f589a35e02545272acdde68827f82eb7a3d7 /sys | |
parent | ff0b0943e14a10407c836e7f2187bc1244542993 (diff) | |
download | FreeBSD-src-7885956de1c3defa0003f266eff5748c7d9157d0.zip FreeBSD-src-7885956de1c3defa0003f266eff5748c7d9157d0.tar.gz |
This file declares `struct timespec' so that we can have a single,
centralized declaration (this will become useful later when we declare
struct timespec in all the places it is supposed to be).
Diffstat (limited to 'sys')
-rw-r--r-- | sys/sys/timespec.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sys/sys/timespec.h b/sys/sys/timespec.h new file mode 100644 index 0000000..038db28 --- /dev/null +++ b/sys/sys/timespec.h @@ -0,0 +1,69 @@ +/* + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)time.h 8.5 (Berkeley) 5/4/95 + * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp + * $FreeBSD$ + */ + +/* + * Prerequisites: <sys/cdefs.h>, <machine/ansi.h> + */ + +#ifndef _SYS_TIMESPEC_H_ +#define _SYS_TIMESPEC_H_ + +#ifdef _BSD_TIME_T_ +typedef _BSD_TIME_T_ time_t; +#undef _BSD_TIME_T_ +#endif + +struct timespec { + time_t tv_sec; /* seconds */ + long tv_nsec; /* and nanoseconds */ +}; + +#if __BSD_VISIBLE +#define TIMEVAL_TO_TIMESPEC(tv, ts) \ + do { \ + (ts)->tv_sec = (tv)->tv_sec; \ + (ts)->tv_nsec = (tv)->tv_usec * 1000; \ + } while (0) +#define TIMESPEC_TO_TIMEVAL(tv, ts) \ + do { \ + (tv)->tv_sec = (ts)->tv_sec; \ + (tv)->tv_usec = (ts)->tv_nsec / 1000; \ + } while (0) + +#endif /* __BSD_VISIBLE */ + +#endif /* _SYS_TIMESPEC_H_ */ |