mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 05:40:06 +00:00
2f2c76e1c8
Also make the public prototype of gettimeofday declare its second argument with type "void *" unconditionally, consistent with POSIX. It is also consistent with POSIX. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* Copyright (C) 2018-2019 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, or (at your option) any later version.
|
|
|
|
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/>. */
|
|
|
|
/* Get the current time of day and timezone information,
|
|
putting it into *tv and *tz. If tz is null, *tz is not filled.
|
|
Returns 0 on success, -1 on errors. */
|
|
|
|
#include <time.h>
|
|
#include <sysdep.h>
|
|
|
|
#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
|
|
# define HAVE_VSYSCALL
|
|
#endif
|
|
#include <sysdep-vdso.h>
|
|
|
|
/* Used as a fallback in the ifunc resolver if VDSO is not available
|
|
and for libc.so internal __gettimeofday calls. */
|
|
static int
|
|
__gettimeofday_vsyscall (struct timeval *restrict tv, void *restrict tz)
|
|
{
|
|
if (__glibc_unlikely (tz != 0))
|
|
memset (tz, 0, sizeof *tz);
|
|
|
|
return INLINE_VSYSCALL (gettimeofday, 2, tv, tz);
|
|
}
|
|
|
|
#ifdef SHARED
|
|
# include <dl-vdso.h>
|
|
# include <sysdep-vdso.h>
|
|
|
|
# define INIT_ARCH()
|
|
libc_ifunc (__gettimeofday,
|
|
(get_vdso_symbol (HAVE_GETTIMEOFDAY_VSYSCALL)
|
|
?: __gettimeofday_vsyscall))
|
|
|
|
#else
|
|
int
|
|
__gettimeofday (struct timeval *restrict tv, void *restrict tz)
|
|
{
|
|
return __gettimeofday_vsyscall (tv, tz);
|
|
}
|
|
#endif
|
|
weak_alias (__gettimeofday, gettimeofday)
|