nt/inc/sys/time.h

   1 #ifndef SYS_TIME_H_INCLUDED
   2 #define SYS_TIME_H_INCLUDED
   3
   4 /*
   5  * sys/time.h either doesn't exist on Windows, or doesn't necessarily
   6  * have the below stuff.
   7  */
   8
   9 /* The guards are for MinGW64, which defines these structs on its
  10    system headers which are included by ms-w32.h.  */
  11 #ifndef _W64
  12 /* Allow inclusion of sys/time.h and winsock2.h in any order.  Needed
  13    for running the configure test, which is only relevant to MinGW.  */
  14 #ifndef _TIMEVAL_DEFINED
  15 #define _TIMEVAL_DEFINED
  16 struct timeval
  17 {
  18   long          tv_sec;         /* seconds */
  19   long          tv_usec;        /* microseconds */
  20 };
  21 #define timerisset(tvp)  ((tvp)->tv_sec || (tvp)->tv_usec)
  22 #define timercmp(tvp, uvp, cmp) \
  23         (((tvp)->tv_sec != (uvp)->tv_sec) ? \
  24         ((tvp)->tv_sec cmp (uvp)->tv_sec) : \
  25         ((tvp)->tv_usec cmp (uvp)->tv_usec))
  26 #define timerclear(tvp)  (tvp)->tv_sec = (tvp)->tv_usec = 0
  27 #endif /* _TIMEVAL_DEFINED */
  28 #endif /* _W64 */
  29
  30 #ifndef _TIMEZONE_DEFINED
  31 struct timezone
  32 {
  33   int           tz_minuteswest; /* minutes west of Greenwich */
  34   int           tz_dsttime;     /* type of dst correction */
  35 };
  36 #endif
  37
  38 void gettimeofday (struct timeval *, struct timezone *);
  39
  40 #define ITIMER_REAL      0
  41 #define ITIMER_PROF      1
  42
  43 struct itimerval
  44 {
  45   struct  timeval it_interval;  /* timer interval */
  46   struct  timeval it_value;     /* current value */
  47 };
  48
  49 int getitimer (int, struct itimerval *);
  50 int setitimer (int, struct itimerval *, struct itimerval *);
  51
  52 #endif /* SYS_TIME_H_INCLUDED */
  53
  54 /* end of sys/time.h */
  55