include/sys/time.h

/* */
   1 #ifndef _SYS_TIME_H
   2 #define _SYS_TIME_H
   3 
   4 /* gettimofday returns this */
   5 struct timeval {
   6         long    tv_sec;         /* seconds */
   7         long    tv_usec;        /* microseconds */
   8 };
   9 
  10 struct timezone {
  11         int     tz_minuteswest; /* minutes west of Greenwich */
  12         int     tz_dsttime;     /* type of dst correction */
  13 };
  14 
  15 #define DST_NONE        0       /* not on dst */
  16 #define DST_USA         1       /* USA style dst */
  17 #define DST_AUST        2       /* Australian style dst */
  18 #define DST_WET         3       /* Western European dst */
  19 #define DST_MET         4       /* Middle European dst */
  20 #define DST_EET         5       /* Eastern European dst */
  21 #define DST_CAN         6       /* Canada */
  22 #define DST_GB          7       /* Great Britain and Eire */
  23 #define DST_RUM         8       /* Rumania */
  24 #define DST_TUR         9       /* Turkey */
  25 #define DST_AUSTALT     10      /* Australian style with shift in 1986 */
  26 
  27 #define FD_SETSIZE              (8*sizeof(fd_set))
  28 #define FD_SET(fd,fdsetp)       (*(fdsetp) |= (1 << (fd)))
  29 #define FD_CLR(fd,fdsetp)       (*(fdsetp) &= ~(1 << (fd)))
  30 #define FD_ISSET(fd,fdsetp)     ((*(fdsetp) >> fd) & 1)
  31 #define FD_ZERO(fdsetp)         (*(fdsetp) = 0)
  32 
  33 /*
  34  * Operations on timevals.
  35  *
  36  * NB: timercmp does not work for >= or <=.
  37  */
  38 #define timerisset(tvp)         ((tvp)->tv_sec || (tvp)->tv_usec)
  39 #define timercmp(tvp, uvp, cmp) \
  40         ((tvp)->tv_sec cmp (uvp)->tv_sec || \
  41          (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
  42 #define timerclear(tvp)         ((tvp)->tv_sec = (tvp)->tv_usec = 0)
  43 
  44 /*
  45  * Names of the interval timers, and structure
  46  * defining a timer setting.
  47  */
  48 #define ITIMER_REAL     0
  49 #define ITIMER_VIRTUAL  1
  50 #define ITIMER_PROF     2
  51 
  52 struct  itimerval {
  53         struct  timeval it_interval;    /* timer interval */
  54         struct  timeval it_value;       /* current value */
  55 };
  56 
  57 #include <time.h>
  58 #include <sys/types.h>
  59 
  60 int gettimeofday(struct timeval * tp, struct timezone * tz);
  61 int select(int width, fd_set * readfds, fd_set * writefds,
  62         fd_set * exceptfds, struct timeval * timeout);
  63 
  64 #endif /*_SYS_TIME_H*/
/* */
root/include/sys/time.h

INCLUDED FROM
