diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/x86/time.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/x86/time.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/x86/time.c b/REORG.TODO/sysdeps/unix/sysv/linux/x86/time.c new file mode 100644 index 0000000000..fac81b3812 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/x86/time.c @@ -0,0 +1,59 @@ +/* time -- Get number of seconds since Epoch. Linux/x86 version. + Copyright (C) 2015-2017 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 + <http://www.gnu.org/licenses/>. */ + +#include <time.h> + +#ifdef SHARED + +#include <dl-vdso.h> +#include <errno.h> + +static time_t +__time_syscall (time_t *t) +{ + INTERNAL_SYSCALL_DECL (err); + return INTERNAL_SYSCALL (time, err, 1, t); +} + +# ifndef time_type +/* The i386 time.c includes this file with a defined time_type macro. + For x86_64 we have to define it to time as the internal symbol is the + ifunc'ed one. */ +# define time_type time +# endif + +#undef INIT_ARCH +#define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6); +/* If the vDSO is not available we fall back on the syscall. */ +libc_ifunc_hidden (time_type, time, + (_dl_vdso_vsym ("__vdso_time", &linux26) + ?: &__time_syscall)) +libc_hidden_def (time) + +#else + +# include <sysdep.h> + +time_t +time (time_t *t) +{ + INTERNAL_SYSCALL_DECL (err); + return INTERNAL_SYSCALL (time, err, 1, t); +} + +#endif |