1/* Copyright (C) 2021 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
29static hrtime_t
30linux_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
46hrtime_t (*__collector_gethrtime)() = linux_gethrtime;
47