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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>
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
/* gettimeofday - get the time. Linux/x86 version.
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Copyright (C) 2015-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <time.h>
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#include <sysdep.h>
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#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
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# define HAVE_VSYSCALL
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#endif
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#include <sysdep-vdso.h>
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static int
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__gettimeofday_syscall (struct timeval *restrict tv, void *restrict tz)
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{
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if (__glibc_unlikely (tz != 0))
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memset (tz, 0, sizeof *tz);
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return INLINE_VSYSCALL (gettimeofday, 2, tv, tz);
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}
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#ifdef SHARED
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# include <dl-vdso.h>
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# include <libc-vdso.h>
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# define INIT_ARCH()
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/* If the vDSO is not available we fall back to syscall. */
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libc_ifunc (__gettimeofday,
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(get_vdso_symbol (HAVE_GETTIMEOFDAY_VSYSCALL)
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?: __gettimeofday_syscall));
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#else
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int
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__gettimeofday (struct timeval *restrict tv, void *restrict tz)
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{
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return __gettimeofday_syscall (tv, tz);
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}
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#endif
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weak_alias (__gettimeofday, gettimeofday)
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