glibc/sysdeps/unix/sysv/linux/x86_64/time.c
2011-10-08 15:28:21 -07:00

51 lines
1.4 KiB
C

/* Copyright (C) 2001,02,2003,2011 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifdef SHARED
#include <dl-vdso.h>
#define VSYSCALL_ADDR_vtime 0xffffffffff600400
void *time_ifunc (void) __asm__ ("time");
void *
time_ifunc (void)
{
PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
/* If the vDSO is not available we fall back on the old vsyscall. */
return _dl_vdso_vsym ("time", &linux26) ?: (void *) VSYSCALL_ADDR_vtime;
}
__asm (".type time, %gnu_indirect_function");
#else
# include <time.h>
# include <sysdep.h>
time_t
time (time_t *t)
{
INTERNAL_SYSCALL_DECL (err);
return INTERNAL_SYSCALL (time, err, 1, t);
}
#endif
strong_alias (time, __GI_time)