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: */
39