unix4lyfe git - darkstat-debian/blob - now.h

   1 /* darkstat 3
   2  * copyright (c) 2001-2014 Emil Mikulic.
   3  *
   4  * now.h: a cache of the current time.
   5  *
   6  * Permission to use, copy, modify, and distribute this file for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #include <sys/types.h>
  19
  20 void now_init(void);
  21 void now_update(void); /* once per event loop (in darkstat.c) */
  22
  23 time_t now_real(void);
  24 time_t now_mono(void);
  25
  26 /* Monotonic times can be negative (a time from before the machine booted) so
  27  * treat them as signed. */
  28 time_t mono_to_real(const int64_t t);
  29 int64_t real_to_mono(const time_t t);
  30
  31 /* Emits warnings if a call is too slow. */
  32 struct timespec;
  33 void timer_start(struct timespec *t);
  34 void timer_stop(const struct timespec * const t,
  35                 const int64_t nsec,
  36                 const char *warning);
  37
  38 /* vim:set ts=3 sw=3 tw=80 et: */