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 /* Allow inclusion of sys/time.h and winsock2.h in any order.  Needed
  12    for running the configure test, which is only relevant to MinGW.  */
  13 #ifndef _TIMEVAL_DEFINED
  14 #define _TIMEVAL_DEFINED
  15 struct timeval
  16 {
  17   long          tv_sec;         /* seconds */
  18   long          tv_usec;        /* microseconds */
  19 };
  20 #define timerisset(tvp)  ((tvp)->tv_sec || (tvp)->tv_usec)
  21 #define timercmp(tvp, uvp, cmp) \
  22         (((tvp)->tv_sec != (uvp)->tv_sec) ? \
  23         ((tvp)->tv_sec cmp (uvp)->tv_sec) : \
  24         ((tvp)->tv_usec cmp (uvp)->tv_usec))
  25 #define timerclear(tvp)  (tvp)->tv_sec = (tvp)->tv_usec = 0
  26 #endif /* _TIMEVAL_DEFINED */
  27
  28 #ifndef _TIMEZONE_DEFINED
  29 #define _TIMEZONE_DEFINED
  30 struct timezone
  31 {
  32   int           tz_minuteswest; /* minutes west of Greenwich */
  33   int           tz_dsttime;     /* type of dst correction */
  34 };
  35 #endif
  36
  37
  38 /* This needs to be compatible with Posix signature, in order to pass
  39    the configure test for the type of the second argument; see
  40    m4/gettimeofday.m4.  We use '__restrict' here, rather than
  41    'restrict', for the benefit of the old nt/configure.bat build,
  42    which does not force the use of -std= switch to GCC, and that
  43    causes compilation errors with 'restrict', which is a C99
  44    extension.  */
  45 int gettimeofday (struct timeval *__restrict, struct timezone *__restrict);
  46
  47 #define ITIMER_REAL      0
  48 #define ITIMER_PROF      1
  49
  50 struct itimerval
  51 {
  52   struct  timeval it_interval;  /* timer interval */
  53   struct  timeval it_value;     /* current value */
  54 };
  55
  56 int getitimer (int, struct itimerval *);
  57 int setitimer (int, struct itimerval *, struct itimerval *);
  58
  59 #endif /* SYS_TIME_H_INCLUDED */
  60
  61 /* end of sys/time.h */
  62