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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [include/] [sys/] [time.h] - Blame information for rev 207

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Line No. Rev Author Line
1 207 jeremybenn
/* time.h -- An implementation of the standard Unix <sys/time.h> file.
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   Written by Geoffrey Noer <noer@cygnus.com>
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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 <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _WINSOCK_H
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#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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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 <cygwin/sys_time.h>
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#endif /* __CYGWIN__ */
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#endif /* _WINSOCK_H */
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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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/* 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__) */
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int _EXFUN(gettimeofday, (struct timeval *__p, void *__tz));
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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));
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int _EXFUN(setitimer, (int __which, const struct itimerval *__value,
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                                        struct itimerval *__ovalue));
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_TIME_H_ */

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