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 {
  40         int tm_sec;
  41         int tm_min;
  42         int tm_hour;
  43         int tm_mday;
  44         int tm_mon;
  45         int tm_year;
  46         int tm_wday;
  47         int tm_yday;
  48         int tm_isdst;
  49         long __tm_gmtoff;
  50         const char *__tm_zone;
  51 };
  52
  53 clock_t clock (void);
  54 time_t time (time_t *);
  55 double difftime (time_t, time_t);
  56 time_t mktime (struct tm *);
  57 size_t strftime (char *__restrict, size_t, const char *__restrict, const struct tm *__restrict);
  58 struct tm *gmtime (const time_t *);
  59 struct tm *localtime (const time_t *);
  60 char *asctime (const struct tm *);
  61 char *ctime (const time_t *);
  62 int timespec_get(struct timespec *, int);
  63
  64 #define CLOCKS_PER_SEC 1000000L
  65
  66 #define TIME_UTC 1
  67
  68 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  69  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  70  || defined(_BSD_SOURCE)
  71
  72 size_t strftime_l (char *  __restrict, size_t, const char *  __restrict, const struct tm *  __restrict, locale_t);
  73
  74 struct tm *gmtime_r (const time_t *__restrict, struct tm *__restrict);
  75 struct tm *localtime_r (const time_t *__restrict, struct tm *__restrict);
  76 char *asctime_r (const struct tm *__restrict, char *__restrict);
  77 char *ctime_r (const time_t *, char *);
  78
  79 void tzset (void);
  80
  81 struct itimerspec
  82 {
  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 #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 char *tzname[2];
 124 extern int getdate_err;
 125 struct tm *getdate (const char *);
 126 #endif
 127
 128
 129 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 130 int stime(const time_t *);
 131 time_t timegm(struct tm *);
 132 #endif
 133
 134 #ifdef __cplusplus
 135 }
 136 #endif
 137
 138
 139 #endif