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/* Copyright (C) 2011-2018 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
<http://www.gnu.org/licenses/>. */
#include <time.h>
#include <sysdep.h>
#include <errno.h>
#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
# define HAVE_VSYSCALL
#endif
#include <sysdep-vdso.h>
/* Set TS to calendar time based in time base BASE. */
int
timespec_get (struct timespec *ts, int base)
{
switch (base)
{
int res;
INTERNAL_SYSCALL_DECL (err);
case TIME_UTC:
res = INTERNAL_VSYSCALL (clock_gettime, err, 2, CLOCK_REALTIME, ts);
if (INTERNAL_SYSCALL_ERROR_P (res, err))
return 0;
break;
default:
return 0;
}
return base;
}
/* 64-bit time version */
/* We don't have a 64-bit-time syscall yet, so just convert arguments
* between 64-bit and 32-bit time, and use the 32-bit implementation.
*
* We could do the reverse and make the 32-bit time implementation a
* wrapper around the 64-bit-time implementation, but then 32-bit-time
* uses would incur two conversions instead of zero right now.
*/
int
__timespec_get64 (struct __timespec64 *ts, int base)
{
struct timespec ts32;
int res = timespec_get (&ts32, base);
if (res != base)
{
timespec_to_timespec64(&ts32, ts);
}
return res;
}
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