| 0,0 → 1,84 |
|---|
| /* 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_ */ |