reactos/drivers/lib/oskittcp/include/freebsd/src/sys/sys/time.h

   1 /*
   2  * Copyright (c) 1982, 1986, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  *      @(#)time.h      8.1 (Berkeley) 6/2/93
  34  */
  35
  36 #ifndef _SYS_TIME_H_
  37 #define _SYS_TIME_H_
  38
  39 /*
  40  * Structure returned by gettimeofday(2) system call,
  41  * and used in other calls.
  42  */
  43 #ifndef _WINSOCKAPI_
  44 struct timeval {
  45         long    tv_sec;         /* seconds */
  46         long    tv_usec;        /* and microseconds */
  47 };
  48 #endif//_WINSOCKAPI_
  49 /*
  50  * Structure defined by POSIX.4 to be like a timeval.
  51  */
  52 struct timespec {
  53         long    ts_sec;         /* seconds */
  54         long    ts_nsec;        /* and nanoseconds */
  55 };
  56
  57 #define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
  58         (ts)->ts_sec = (tv)->tv_sec;                                    \
  59         (ts)->ts_nsec = (tv)->tv_usec * 1000;                           \
  60 }
  61 #define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
  62         (tv)->tv_sec = (ts)->ts_sec;                                    \
  63         (tv)->tv_usec = (ts)->ts_nsec / 1000;                           \
  64 }
  65
  66 struct timezone {
  67         int     tz_minuteswest; /* minutes west of Greenwich */
  68         int     tz_dsttime;     /* type of dst correction */
  69 };
  70 #define DST_NONE        0       /* not on dst */
  71 #define DST_USA         1       /* USA style dst */
  72 #define DST_AUST        2       /* Australian style dst */
  73 #define DST_WET         3       /* Western European dst */
  74 #define DST_MET         4       /* Middle European dst */
  75 #define DST_EET         5       /* Eastern European dst */
  76 #define DST_CAN         6       /* Canada */
  77
  78 /* Operations on timevals. */
  79 #define timerclear(tvp)         (tvp)->tv_sec = (tvp)->tv_usec = 0
  80 #define timerisset(tvp)         ((tvp)->tv_sec || (tvp)->tv_usec)
  81 #ifndef _MSC_VER
  82 #define timercmp(tvp, uvp, cmp)                                         \
  83         (((tvp)->tv_sec == (uvp)->tv_sec) ?                             \
  84             ((tvp)->tv_usec cmp (uvp)->tv_usec) :                       \
  85             ((tvp)->tv_sec cmp (uvp)->tv_sec))
  86 #endif
  87
  88 /*
  89  * Names of the interval timers, and structure
  90  * defining a timer setting.
  91  */
  92 #define ITIMER_REAL     0
  93 #define ITIMER_VIRTUAL  1
  94 #define ITIMER_PROF     2
  95
  96 struct  itimerval {
  97         struct  timeval it_interval;    /* timer interval */
  98         struct  timeval it_value;       /* current value */
  99 };
 100
 101 /*
 102  * Getkerninfo clock information structure
 103  */
 104 struct clockinfo {
 105         int     hz;             /* clock frequency */
 106         int     tick;           /* micro-seconds per hz tick */
 107         int     stathz;         /* statistics clock frequency */
 108         int     profhz;         /* profiling clock frequency */
 109 };
 110
 111 #ifdef KERNEL
 112
 113 int     itimerdecr __P((struct itimerval *itp,int usec));
 114 int     itimerfix __P((struct timeval *));
 115 void    microtime __P((struct timeval *));
 116 void    timevaladd __P((struct timeval *, struct timeval *));
 117 void    timevalfix __P((struct timeval *));
 118 void    timevalsub __P((struct timeval *, struct timeval *));
 119
 120 #else /* not KERNEL */
 121 #include <time.h>
 122
 123 #ifndef _POSIX_SOURCE
 124 #include <sys/cdefs.h>
 125
 126 __BEGIN_DECLS
 127 int     adjtime __P((const struct timeval *, struct timeval *));
 128 int     getitimer __P((int, struct itimerval *));
 129 int     gettimeofday __P((struct timeval *, struct timezone *));
 130 int     setitimer __P((int, const struct itimerval *, struct itimerval *));
 131 int     settimeofday __P((const struct timeval *, const struct timezone *));
 132 int     utimes __P((const char *, const struct timeval *));
 133 __END_DECLS
 134 #endif /* !POSIX */
 135
 136 #endif /* !KERNEL */
 137
 138 #endif /* !_SYS_TIME_H_ */