mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/* Get resolution of a time base.
|
|
Copyright (C) 2021-2023 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <time.h>
|
|
|
|
/* Set TS to resolution of time base BASE. */
|
|
int
|
|
__timespec_getres64 (struct __timespec64 *ts, int base)
|
|
{
|
|
if (base == TIME_UTC)
|
|
{
|
|
__clock_getres64 (CLOCK_REALTIME, ts);
|
|
return base;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#if __TIMESIZE != 64
|
|
libc_hidden_def (__timespec_getres64)
|
|
|
|
int
|
|
__timespec_getres (struct timespec *ts, int base)
|
|
{
|
|
int ret;
|
|
struct __timespec64 tp64;
|
|
|
|
ret = __timespec_getres64 (&tp64, base);
|
|
|
|
if (ret == TIME_UTC && ts != NULL)
|
|
*ts = valid_timespec64_to_timespec (tp64);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
strong_alias (__timespec_getres, timespec_getres);
|