os/ossrv/genericopenlibs/openenvcore/include/sys/timespec.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/include/sys/timespec.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,65 @@
     1.4 +/*-
     1.5 + * Copyright (c) 1982, 1986, 1993
     1.6 + *	The Regents of the University of California.  All rights reserved.
     1.7 + *
     1.8 + * Redistribution and use in source and binary forms, with or without
     1.9 + * modification, are permitted provided that the following conditions
    1.10 + * are met:
    1.11 + * 1. Redistributions of source code must retain the above copyright
    1.12 + *    notice, this list of conditions and the following disclaimer.
    1.13 + * 2. Redistributions in binary form must reproduce the above copyright
    1.14 + *    notice, this list of conditions and the following disclaimer in the
    1.15 + *    documentation and/or other materials provided with the distribution.
    1.16 + * 4. Neither the name of the University nor the names of its contributors
    1.17 + *    may be used to endorse or promote products derived from this software
    1.18 + *    without specific prior written permission.
    1.19 + *
    1.20 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    1.21 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.22 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.23 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    1.24 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.25 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.26 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.27 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.28 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.29 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.30 + * SUCH DAMAGE.
    1.31 + *
    1.32 + *	@(#)time.h	8.5 (Berkeley) 5/4/95
    1.33 + * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
    1.34 + *	$FreeBSD: src/sys/sys/timespec.h,v 1.4 2005/01/07 02:29:24 imp Exp $
    1.35 + */
    1.36 +
    1.37 +/*
    1.38 + * Prerequisites: <sys/cdefs.h>, <sys/_types.h>
    1.39 + */
    1.40 +
    1.41 +#ifndef _SYS_TIMESPEC_H_
    1.42 +#define _SYS_TIMESPEC_H_
    1.43 +
    1.44 +#ifndef _TIME_T_DECLARED
    1.45 +typedef	__time_t	time_t;
    1.46 +#define	_TIME_T_DECLARED
    1.47 +#endif
    1.48 +
    1.49 +struct timespec {
    1.50 +	time_t	tv_sec;		/* seconds */
    1.51 +	long	tv_nsec;	/* and nanoseconds */
    1.52 +};
    1.53 +
    1.54 +#if __BSD_VISIBLE
    1.55 +#define	TIMEVAL_TO_TIMESPEC(tv, ts)					\
    1.56 +	do {								\
    1.57 +		(ts)->tv_sec = (tv)->tv_sec;				\
    1.58 +		(ts)->tv_nsec = (tv)->tv_usec * 1000;			\
    1.59 +	} while (0)
    1.60 +#define	TIMESPEC_TO_TIMEVAL(tv, ts)					\
    1.61 +	do {								\
    1.62 +		(tv)->tv_sec = (ts)->tv_sec;				\
    1.63 +		(tv)->tv_usec = (ts)->tv_nsec / 1000;			\
    1.64 +	} while (0)
    1.65 +
    1.66 +#endif /* __BSD_VISIBLE */
    1.67 +
    1.68 +#endif /* _SYS_TIMESPEC_H_ */