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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* time.h -- An implementation of the standard Unix |
| 2 | Written by Geoffrey Noer |
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| 3 | Public domain; no rights reserved. */ |
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| 4 | |||
| 5 | #ifndef _SYS_TIME_H_ |
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| 6 | #define _SYS_TIME_H_ |
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| 7 | |||
| 8 | #include <_ansi.h> |
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| 9 | #include |
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| 10 | |||
| 11 | #ifdef __cplusplus |
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| 12 | extern "C" { |
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| 13 | #endif |
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| 14 | |||
| 15 | #ifndef _WINSOCK_H |
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| 16 | #define _TIMEVAL_DEFINED |
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| 17 | struct timeval { |
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| 18 | time_t tv_sec; |
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| 19 | suseconds_t tv_usec; |
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| 20 | }; |
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| 21 | |||
| 22 | struct timezone { |
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| 23 | int tz_minuteswest; |
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| 24 | int tz_dsttime; |
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| 25 | }; |
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| 26 | |||
| 27 | #ifdef __CYGWIN__ |
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| 28 | #include |
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| 29 | #endif /* __CYGWIN__ */ |
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| 30 | |||
| 31 | #endif /* _WINSOCK_H */ |
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| 32 | |||
| 33 | #define ITIMER_REAL 0 |
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| 34 | #define ITIMER_VIRTUAL 1 |
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| 35 | #define ITIMER_PROF 2 |
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| 36 | |||
| 37 | struct itimerval { |
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| 38 | struct timeval it_interval; |
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| 39 | struct timeval it_value; |
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| 40 | }; |
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| 41 | |||
| 42 | /* BSD time macros used by RTEMS code */ |
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| 43 | #if defined (__rtems__) || defined (__CYGWIN__) |
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| 44 | |||
| 45 | /* Convenience macros for operations on timevals. |
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| 46 | NOTE: `timercmp' does not work for >= or <=. */ |
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| 47 | #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) |
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| 48 | #define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0) |
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| 49 | #define timercmp(a, b, CMP) \ |
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| 50 | (((a)->tv_sec == (b)->tv_sec) ? \ |
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| 51 | ((a)->tv_usec CMP (b)->tv_usec) : \ |
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| 52 | ((a)->tv_sec CMP (b)->tv_sec)) |
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| 53 | #define timeradd(a, b, result) \ |
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| 54 | do { \ |
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| 55 | (result)->tv_sec = (a)->tv_sec + (b)->tv_sec; \ |
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| 56 | (result)->tv_usec = (a)->tv_usec + (b)->tv_usec; \ |
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| 57 | if ((result)->tv_usec >= 1000000) \ |
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| 58 | { \ |
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| 59 | ++(result)->tv_sec; \ |
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| 60 | (result)->tv_usec -= 1000000; \ |
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| 61 | } \ |
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| 62 | } while (0) |
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| 63 | #define timersub(a, b, result) \ |
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| 64 | do { \ |
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| 65 | (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ |
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| 66 | (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ |
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| 67 | if ((result)->tv_usec < 0) { \ |
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| 68 | --(result)->tv_sec; \ |
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| 69 | (result)->tv_usec += 1000000; \ |
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| 70 | } \ |
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| 71 | } while (0) |
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| 72 | #endif /* defined (__rtems__) || defined (__CYGWIN__) */ |
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| 73 | |||
| 74 | int _EXFUN(gettimeofday, (struct timeval *__p, void *__tz)); |
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| 75 | int _EXFUN(settimeofday, (const struct timeval *, const struct timezone *)); |
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| 76 | int _EXFUN(utimes, (const char *__path, const struct timeval *__tvp)); |
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| 77 | int _EXFUN(getitimer, (int __which, struct itimerval *__value)); |
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| 78 | int _EXFUN(setitimer, (int __which, const struct itimerval *__value, |
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| 79 | struct itimerval *__ovalue)); |
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| 80 | |||
| 81 | #ifdef __cplusplus |
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| 82 | } |
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| 83 | #endif |
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| 84 | #endif /* _SYS_TIME_H_ */ |