1 /* Copyright (C) 2021-2024 Free Software Foundation, Inc.
2 Contributed by Oracle.
3
4 This file is part of GNU Binutils.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
21 #include "config.h"
22 #include <time.h>
23 #include "gp-time.h"
24
25 /* CLOCK_MONOTONIC
26 Clock that cannot be set and represents monotonic time since some
27 unspecified starting point. */
28
29 static hrtime_t
linux_gethrtime(void)30 linux_gethrtime (void)
31 {
32 struct timespec tp;
33 hrtime_t rc = 0;
34
35 #ifdef CLOCK_MONOTONIC_RAW
36 int r = clock_gettime (CLOCK_MONOTONIC_RAW, &tp);
37 #else
38 int r = clock_gettime (CLOCK_MONOTONIC, &tp);
39 #endif
40
41 if (r == 0)
42 rc = ((hrtime_t) tp.tv_sec)*1000000000 + (hrtime_t) tp.tv_nsec;
43 return rc;
44 }
45
46 hrtime_t (*__collector_gethrtime)() = linux_gethrtime;
47