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 #if __cplusplus >= 201103L
  11 #define NULL nullptr
  12 #elif defined(__cplusplus)
  13 #define NULL 0L
  14 #else
  15 #define NULL ((void*)0)
  16 #endif
  17
  18
  19 #define __NEED_size_t
  20 #define __NEED_time_t
  21 #define __NEED_clock_t
  22 #define __NEED_struct_timespec
  23
  24 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  25  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  26  || defined(_BSD_SOURCE)
  27 #define __NEED_clockid_t
  28 #define __NEED_timer_t
  29 #define __NEED_pid_t
  30 #define __NEED_locale_t
  31 #endif
  32
  33 #include <bits/alltypes.h>
  34
  35 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
  36 #define __tm_gmtoff tm_gmtoff
  37 #define __tm_zone tm_zone
  38 #endif
  39
  40 struct tm {
  41         int tm_sec;
  42         int tm_min;
  43         int tm_hour;
  44         int tm_mday;
  45         int tm_mon;
  46         int tm_year;
  47         int tm_wday;
  48         int tm_yday;
  49         int tm_isdst;
  50         long __tm_gmtoff;
  51         const char *__tm_zone;
  52 };
  53
  54 clock_t clock (void);
  55 time_t time (time_t *);
  56 double difftime (time_t, time_t);
  57 time_t mktime (struct tm *);
  58 size_t strftime (char *__restrict, size_t, const char *__restrict, const struct tm *__restrict);
  59 struct tm *gmtime (const time_t *);
  60 struct tm *localtime (const time_t *);
  61 char *asctime (const struct tm *);
  62 char *ctime (const time_t *);
  63 int timespec_get(struct timespec *, int);
  64
  65 #define CLOCKS_PER_SEC 1000000L
  66
  67 #define TIME_UTC 1
  68
  69 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  70  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  71  || defined(_BSD_SOURCE)
  72
  73 size_t strftime_l (char *  __restrict, size_t, const char *  __restrict, const struct tm *  __restrict, locale_t);
  74
  75 struct tm *gmtime_r (const time_t *__restrict, struct tm *__restrict);
  76 struct tm *localtime_r (const time_t *__restrict, struct tm *__restrict);
  77 char *asctime_r (const struct tm *__restrict, char *__restrict);
  78 char *ctime_r (const time_t *, char *);
  79
  80 void tzset (void);
  81
  82 struct itimerspec {
  83         struct timespec it_interval;
  84         struct timespec it_value;
  85 };
  86
  87 #define CLOCK_REALTIME           0
  88 #define CLOCK_MONOTONIC          1
  89 #define CLOCK_PROCESS_CPUTIME_ID 2
  90 #define CLOCK_THREAD_CPUTIME_ID  3
  91 #define CLOCK_MONOTONIC_RAW      4
  92 #define CLOCK_REALTIME_COARSE    5
  93 #define CLOCK_MONOTONIC_COARSE   6
  94 #define CLOCK_BOOTTIME           7
  95 #define CLOCK_REALTIME_ALARM     8
  96 #define CLOCK_BOOTTIME_ALARM     9
  97 #define CLOCK_SGI_CYCLE         10
  98 #define CLOCK_TAI               11
  99
 100 #define TIMER_ABSTIME 1
 101
 102 int nanosleep (const struct timespec *, struct timespec *);
 103 int clock_getres (clockid_t, struct timespec *);
 104 int clock_gettime (clockid_t, struct timespec *);
 105 int clock_settime (clockid_t, const struct timespec *);
 106 int clock_nanosleep (clockid_t, int, const struct timespec *, struct timespec *);
 107 int clock_getcpuclockid (pid_t, clockid_t *);
 108
 109 struct sigevent;
 110 int timer_create (clockid_t, struct sigevent *__restrict, timer_t *__restrict);
 111 int timer_delete (timer_t);
 112 int timer_settime (timer_t, int, const struct itimerspec *__restrict, struct itimerspec *__restrict);
 113 int timer_gettime (timer_t, struct itimerspec *);
 114 int timer_getoverrun (timer_t);
 115
 116 extern char *tzname[2];
 117
 118 #endif
 119
 120
 121 #if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
 122 char *strptime (const char *__restrict, const char *__restrict, struct tm *__restrict);
 123 extern int daylight;
 124 extern long timezone;
 125 extern int getdate_err;
 126 struct tm *getdate (const char *);
 127 #endif
 128
 129
 130 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 131 int stime(const time_t *);
 132 time_t timegm(struct tm *);
 133 #endif
 134
 135 #if _REDIR_TIME64
 136 __REDIR(time, __time64);
 137 __REDIR(difftime, __difftime64);
 138 __REDIR(mktime, __mktime64);
 139 __REDIR(gmtime, __gmtime64);
 140 __REDIR(localtime, __localtime64);
 141 __REDIR(ctime, __ctime64);
 142 __REDIR(timespec_get, __timespec_get_time64);
 143 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
 144  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
 145  || defined(_BSD_SOURCE)
 146 __REDIR(gmtime_r, __gmtime64_r);
 147 __REDIR(localtime_r, __localtime64_r);
 148 __REDIR(ctime_r, __ctime64_r);
 149 __REDIR(nanosleep, __nanosleep_time64);
 150 __REDIR(clock_getres, __clock_getres_time64);
 151 __REDIR(clock_gettime, __clock_gettime64);
 152 __REDIR(clock_settime, __clock_settime64);
 153 __REDIR(clock_nanosleep, __clock_nanosleep_time64);
 154 __REDIR(timer_settime, __timer_settime64);
 155 __REDIR(timer_gettime, __timer_gettime64);
 156 #endif
 157 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 158 __REDIR(stime, __stime64);
 159 __REDIR(timegm, __timegm_time64);
 160 #endif
 161 #endif
 162
 163 #ifdef __cplusplus
 164 }
 165 #endif
 166
 167
 168 #endif