1 /* $OpenBSD: w_clock_gettime.c,v 1.1 2020/07/06 13:33:06 pirofti Exp $ */
2 /*
3 * Copyright (c) 2020 Paul Irofti <paul@irofti.net>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <sys/timetc.h>
19
20 #include <time.h>
21
22 int
WRAP(clock_gettime)23 WRAP(clock_gettime)(clockid_t clock_id, struct timespec *tp)
24 {
25 int rc = 0;
26 struct timekeep *timekeep = _timekeep;
27
28 if (timekeep == NULL || timekeep->tk_user == 0)
29 return clock_gettime(clock_id, tp);
30
31 switch (clock_id) {
32 case CLOCK_REALTIME:
33 rc = _nanotime(tp, timekeep);
34 break;
35 case CLOCK_UPTIME:
36 rc = _nanoruntime(tp, timekeep);
37 break;
38 case CLOCK_MONOTONIC:
39 case CLOCK_BOOTTIME:
40 rc = _nanouptime(tp, timekeep);
41 break;
42 default:
43 return clock_gettime(clock_id, tp);
44 }
45
46 if (rc)
47 return clock_gettime(clock_id, tp);
48
49 return 0;
50 }
51 DEF_WRAP(clock_gettime);
52