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4349 Serge 1
/* time.h -- An implementation of the standard Unix  file.
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   Written by Geoffrey Noer 
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   Public domain; no rights reserved. */
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#ifndef _SYS_TIME_H_
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#define _SYS_TIME_H_
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#include <_ansi.h>
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#include 
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#ifdef __cplusplus
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extern "C" {
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#endif
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4921 Serge 15
#ifndef _TIMEVAL_DEFINED
4349 Serge 16
#define _TIMEVAL_DEFINED
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struct timeval {
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  time_t      tv_sec;
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  suseconds_t tv_usec;
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};
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/* BSD time macros used by RTEMS code */
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#if defined (__rtems__) || defined (__CYGWIN__)
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/* Convenience macros for operations on timevals.
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   NOTE: `timercmp' does not work for >= or <=.  */
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#define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
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#define	timerclear(tvp)		((tvp)->tv_sec = (tvp)->tv_usec = 0)
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#define	timercmp(a, b, CMP) 						      \
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  (((a)->tv_sec == (b)->tv_sec) ? 					      \
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   ((a)->tv_usec CMP (b)->tv_usec) : 					      \
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   ((a)->tv_sec CMP (b)->tv_sec))
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#define	timeradd(a, b, result)						      \
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  do {									      \
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    (result)->tv_sec = (a)->tv_sec + (b)->tv_sec;			      \
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    (result)->tv_usec = (a)->tv_usec + (b)->tv_usec;			      \
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    if ((result)->tv_usec >= 1000000)					      \
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      {									      \
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	++(result)->tv_sec;						      \
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	(result)->tv_usec -= 1000000;					      \
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      }									      \
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  } while (0)
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#define	timersub(a, b, result)						      \
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  do {									      \
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    (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;			      \
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    (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;			      \
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    if ((result)->tv_usec < 0) {					      \
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      --(result)->tv_sec;						      \
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      (result)->tv_usec += 1000000;					      \
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    }									      \
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  } while (0)
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#endif /* defined (__rtems__) || defined (__CYGWIN__) */
4921 Serge 53
#endif /* !_TIMEVAL_DEFINED */
4349 Serge 54
 
4921 Serge 55
struct timezone {
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  int tz_minuteswest;
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  int tz_dsttime;
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};
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#ifdef __CYGWIN__
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#include 
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#endif /* __CYGWIN__ */
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#define ITIMER_REAL     0
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#define ITIMER_VIRTUAL  1
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#define ITIMER_PROF     2
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struct  itimerval {
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  struct  timeval it_interval;
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  struct  timeval it_value;
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};
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#ifdef _COMPILING_NEWLIB
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int _EXFUN(_gettimeofday, (struct timeval *__p, void *__tz));
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#endif
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int _EXFUN(gettimeofday, (struct timeval *__restrict __p,
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			  void *__restrict __tz));
4349 Serge 79
int _EXFUN(settimeofday, (const struct timeval *, const struct timezone *));
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int _EXFUN(utimes, (const char *__path, const struct timeval *__tvp));
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int _EXFUN(getitimer, (int __which, struct itimerval *__value));
4921 Serge 82
int _EXFUN(setitimer, (int __which, const struct itimerval *__restrict __value,
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					struct itimerval *__restrict __ovalue));
4349 Serge 84
 
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_TIME_H_ */