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