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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/* gettimeofday - get the time. Linux/x86 version.
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Copyright (C) 2015 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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<http://www.gnu.org/licenses/>. */
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#include <sys/time.h>
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#ifdef SHARED
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# include <dl-vdso.h>
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void *gettimeofday_ifunc (void) __asm__ ("__gettimeofday");
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void *
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gettimeofday_ifunc (void)
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{
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PREPARE_VERSION_KNOWN (linux26, LINUX_2_6);
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/* If the vDSO is not available we fall back on the old vsyscall. */
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return (_dl_vdso_vsym ("__vdso_gettimeofday", &linux26)
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?: GETTIMEOFAY_FALLBACK);
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}
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asm (".type __gettimeofday, %gnu_indirect_function");
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libc_ifunc_hidden_def(__gettimeofday)
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#else
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# include <sysdep.h>
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# include <errno.h>
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int
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__gettimeofday (struct timeval *tv, struct timezone *tz)
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{
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return INLINE_SYSCALL (gettimeofday, 2, tv, tz);
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}
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libc_hidden_def (__gettimeofday)
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#endif
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weak_alias (__gettimeofday, gettimeofday)
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libc_hidden_weak (gettimeofday)
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