Colony » Colony Scout » Colony Scout OS

/*

 * 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. 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

 */

#ifndef _SYS_TIME_H_

#define _SYS_TIME_H_

#include <sys/types.h>

/*

 * Structure returned by gettimeofday(2) system call,

 * and used in other calls.

 */

struct timeval {

        long        tv_sec;                /* seconds */

        long        tv_usec;        /* and microseconds */

};

/*

 * Structure defined by POSIX.4 to be like a timeval.

 */

struct timespec {

        time_t        ts_sec;                /* seconds */

        long        ts_nsec;        /* and nanoseconds */

};

#define        TIMEVAL_TO_TIMESPEC(tv, ts) {                                        \

        (ts)->ts_sec = (tv)->tv_sec;                                        \

        (ts)->ts_nsec = (tv)->tv_usec * 1000;                                \

}

#define        TIMESPEC_TO_TIMEVAL(tv, ts) {                                        \

        (tv)->tv_sec = (ts)->ts_sec;                                        \

        (tv)->tv_usec = (ts)->ts_nsec / 1000;                                \

}

struct timezone {

        int        tz_minuteswest;        /* minutes west of Greenwich */

        int        tz_dsttime;        /* type of dst correction */

};

#define        DST_NONE        0        /* not on dst */

#define        DST_USA                1        /* USA style dst */

#define        DST_AUST        2        /* Australian style dst */

#define        DST_WET                3        /* Western European dst */

#define        DST_MET                4        /* Middle European dst */

#define        DST_EET                5        /* Eastern European dst */

#define        DST_CAN                6        /* Canada */

/* Operations on timevals. */

#define        timerclear(tvp)                (tvp)->tv_sec = (tvp)->tv_usec = 0

#define        timerisset(tvp)                ((tvp)->tv_sec || (tvp)->tv_usec)

#define        timercmp(tvp, uvp, cmp)                                                \

        (((tvp)->tv_sec == (uvp)->tv_sec) ?                                \

            ((tvp)->tv_usec cmp (uvp)->tv_usec) :                        \

            ((tvp)->tv_sec cmp (uvp)->tv_sec))

/*

 * Names of the interval timers, and structure

 * defining a timer setting.

 */

#define        ITIMER_REAL        0

#define        ITIMER_VIRTUAL        1

#define        ITIMER_PROF        2

struct        itimerval {

        struct        timeval it_interval;        /* timer interval */

        struct        timeval it_value;        /* current value */

};

/*

 * Getkerninfo clock information structure

 */

struct clockinfo {

        int        hz;                /* clock frequency */

        int        tick;                /* micro-seconds per hz tick */

        int        stathz;                /* statistics clock frequency */

        int        profhz;                /* profiling clock frequency */

};

#ifndef KERNEL

#include <time.h>

#ifndef _POSIX_SOURCE

#include <sys/cdefs.h>

__BEGIN_DECLS

int        gettimeofday(struct timeval *, struct timezone *);

#if 0

int        adjtime(const struct timeval *, struct timeval *);

int        getitimer(int, struct itimerval *);

int        setitimer(int, const struct itimerval *, struct itimerval *);

int        settimeofday(const struct timeval *, const struct timezone *);

int        utimes(const char *, const struct timeval *);

#endif

__END_DECLS

#endif /* !POSIX */

#endif /* !KERNEL */

#endif /* !_SYS_TIME_H_ */