include/time.h

   1 #ifndef _TIME_H
   2 #define _TIME_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #ifdef __cplusplus
  11 #define NULL 0L
  12 #else
  13 #define NULL ((void*)0)
  14 #endif
  15
  16
  17 #define __NEED_size_t
  18 #define __NEED_time_t
  19 #define __NEED_clock_t
  20 #define __NEED_struct_timespec
  21
  22 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  23  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  24  || defined(_BSD_SOURCE)
  25 #define __NEED_clockid_t
  26 #define __NEED_timer_t
  27 #define __NEED_pid_t
  28 #define __NEED_locale_t
  29 #endif
  30
  31 #include <bits/alltypes.h>
  32
  33 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
  34 #define __tm_gmtoff tm_gmtoff
  35 #define __tm_zone tm_zone
  36 #endif
  37
  38 struct tm {
  39         int tm_sec;
  40         int tm_min;
  41         int tm_hour;
  42         int tm_mday;
  43         int tm_mon;
  44         int tm_year;
  45         int tm_wday;
  46         int tm_yday;
  47         int tm_isdst;
  48         long __tm_gmtoff;
  49         const char *__tm_zone;
  50 };
  51
  52 clock_t clock (void);
  53 time_t time (time_t *);
  54 double difftime (time_t, time_t);
  55 time_t mktime (struct tm *);
  56 size_t strftime (char *__restrict, size_t, const char *__restrict, const struct tm *__restrict);
  57 struct tm *gmtime (const time_t *);
  58 struct tm *localtime (const time_t *);
  59 char *asctime (const struct tm *);
  60 char *ctime (const time_t *);
  61 int timespec_get(struct timespec *, int);
  62
  63 #define CLOCKS_PER_SEC 1000000L
  64
  65 #define TIME_UTC 1
  66
  67 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  68  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  69  || defined(_BSD_SOURCE)
  70
  71 size_t strftime_l (char *  __restrict, size_t, const char *  __restrict, const struct tm *  __restrict, locale_t);
  72
  73 struct tm *gmtime_r (const time_t *__restrict, struct tm *__restrict);
  74 struct tm *localtime_r (const time_t *__restrict, struct tm *__restrict);
  75 char *asctime_r (const struct tm *__restrict, char *__restrict);
  76 char *ctime_r (const time_t *, char *);
  77
  78 void tzset (void);
  79
  80 struct itimerspec {
  81         struct timespec it_interval;
  82         struct timespec it_value;
  83 };
  84
  85 #define CLOCK_REALTIME           0
  86 #define CLOCK_MONOTONIC          1
  87 #define CLOCK_PROCESS_CPUTIME_ID 2
  88 #define CLOCK_THREAD_CPUTIME_ID  3
  89 #define CLOCK_MONOTONIC_RAW      4
  90 #define CLOCK_REALTIME_COARSE    5
  91 #define CLOCK_MONOTONIC_COARSE   6
  92 #define CLOCK_BOOTTIME           7
  93 #define CLOCK_REALTIME_ALARM     8
  94 #define CLOCK_BOOTTIME_ALARM     9
  95 #define CLOCK_SGI_CYCLE         10
  96 #define CLOCK_TAI               11
  97
  98 #define TIMER_ABSTIME 1
  99
 100 int nanosleep (const struct timespec *, struct timespec *);
 101 int clock_getres (clockid_t, struct timespec *);
 102 int clock_gettime (clockid_t, struct timespec *);
 103 int clock_settime (clockid_t, const struct timespec *);
 104 int clock_nanosleep (clockid_t, int, const struct timespec *, struct timespec *);
 105 int clock_getcpuclockid (pid_t, clockid_t *);
 106
 107 struct sigevent;
 108 int timer_create (clockid_t, struct sigevent *__restrict, timer_t *__restrict);
 109 int timer_delete (timer_t);
 110 int timer_settime (timer_t, int, const struct itimerspec *__restrict, struct itimerspec *__restrict);
 111 int timer_gettime (timer_t, struct itimerspec *);
 112 int timer_getoverrun (timer_t);
 113
 114 extern char *tzname[2];
 115
 116 #endif
 117
 118
 119 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
 120 char *strptime (const char *__restrict, const char *__restrict, struct tm *__restrict);
 121 extern int daylight;
 122 extern long timezone;
 123 extern int getdate_err;
 124 struct tm *getdate (const char *);
 125 #endif
 126
 127
 128 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 129 int stime(const time_t *);
 130 time_t timegm(struct tm *);
 131 #endif
 132
 133 #ifdef __cplusplus
 134 }
 135 #endif
 136
 137
 138 #endif