include/time.h

   1 #ifndef _TIME_H
   2 #if defined __need_time_t  || defined __need_clock_t || defined __need_timespec || defined _ISOMAC
   3 # include <time/time.h>
   4 #else
   5 # include <time/time.h>
   6 # include <xlocale.h>
   7
   8 __BEGIN_DECLS
   9
  10 extern __typeof (strftime_l) __strftime_l;
  11 libc_hidden_proto (__strftime_l)
  12 extern __typeof (strptime_l) __strptime_l;
  13
  14 libc_hidden_proto (time)
  15 libc_hidden_proto (asctime)
  16 libc_hidden_proto (mktime)
  17 libc_hidden_proto (timelocal)
  18 libc_hidden_proto (localtime)
  19 libc_hidden_proto (strftime)
  20 libc_hidden_proto (strptime)
  21
  22 extern __typeof (clock_getres) __clock_getres;
  23 extern __typeof (clock_gettime) __clock_gettime;
  24 extern __typeof (clock_settime) __clock_settime;
  25 extern __typeof (clock_nanosleep) __clock_nanosleep;
  26 extern __typeof (clock_getcpuclockid) __clock_getcpuclockid;
  27
  28 /* Now define the internal interfaces.  */
  29 struct tm;
  30
  31 /* Defined in mktime.c.  */
  32 extern const unsigned short int __mon_yday[2][13] attribute_hidden;
  33
  34 /* Defined in localtime.c.  */
  35 extern struct tm _tmbuf attribute_hidden;
  36
  37 /* Defined in tzset.c.  */
  38 extern char *__tzstring (const char *string);
  39
  40 /* Defined in tzset.c. */
  41 extern size_t __tzname_cur_max attribute_hidden;
  42
  43
  44 extern int __use_tzfile attribute_hidden;
  45
  46 extern void __tzfile_read (const char *file, size_t extra,
  47                            char **extrap);
  48 extern void __tzfile_compute (time_t timer, int use_localtime,
  49                               long int *leap_correct, int *leap_hit,
  50                               struct tm *tp);
  51 extern void __tzfile_default (const char *std, const char *dst,
  52                               long int stdoff, long int dstoff);
  53 extern void __tzset_parse_tz (const char *tz);
  54 extern void __tz_compute (time_t timer, struct tm *tm, int use_localtime)
  55      __THROW internal_function;
  56
  57 /* Subroutine of `mktime'.  Return the `time_t' representation of TP and
  58    normalize TP, given that a `struct tm *' maps to a `time_t' as performed
  59    by FUNC.  Keep track of next guess for time_t offset in *OFFSET.  */
  60 extern time_t __mktime_internal (struct tm *__tp,
  61                                  struct tm *(*__func) (const time_t *,
  62                                                        struct tm *),
  63                                  time_t *__offset);
  64 extern struct tm *__localtime_r (const time_t *__timer,
  65                                  struct tm *__tp) attribute_hidden;
  66
  67 extern struct tm *__gmtime_r (const time_t *__restrict __timer,
  68                               struct tm *__restrict __tp);
  69 libc_hidden_proto (__gmtime_r)
  70
  71 /* Compute the `struct tm' representation of *T,
  72    offset OFFSET seconds east of UTC,
  73    and store year, yday, mon, mday, wday, hour, min, sec into *TP.
  74    Return nonzero if successful.  */
  75 extern int __offtime (const time_t *__timer,
  76                       long int __offset,
  77                       struct tm *__tp);
  78
  79 extern char *__asctime_r (const struct tm *__tp, char *__buf);
  80 extern void __tzset (void);
  81
  82 /* Prototype for the internal function to get information based on TZ.  */
  83 extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp);
  84
  85 /* Return the maximum length of a timezone name.
  86    This is what `sysconf (_SC_TZNAME_MAX)' does.  */
  87 extern long int __tzname_max (void);
  88
  89 extern int __nanosleep (const struct timespec *__requested_time,
  90                         struct timespec *__remaining);
  91 libc_hidden_proto (__nanosleep)
  92 extern int __nanosleep_nocancel (const struct timespec *__requested_time,
  93                                  struct timespec *__remaining)
  94   attribute_hidden;
  95 extern int __getdate_r (const char *__string, struct tm *__resbufp);
  96
  97
  98 /* Determine CLK_TCK value.  */
  99 extern int __getclktck (void);
 100
 101
 102 /* strptime support.  */
 103 extern char * __strptime_internal (const char *rp, const char *fmt,
 104                                    struct tm *tm, void *statep,
 105                                    __locale_t locparam)
 106      internal_function;
 107
 108 extern double __difftime (time_t time1, time_t time0);
 109
 110
 111 /* Use in the clock_* functions.  Size of the field representing the
 112    actual clock ID.  */
 113 #define CLOCK_IDFIELD_SIZE      3
 114
 115 __END_DECLS
 116
 117 #endif
 118 #endif