glibc/csu/errno.c
2012-02-09 23:18:22 +00:00

36 lines
1.1 KiB
C

/* Definition of `errno' variable. Canonical version.
Copyright (C) 2002, 2004, 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, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <tls.h>
#include <dl-sysdep.h>
#undef errno
#if RTLD_PRIVATE_ERRNO
/* Code compiled for rtld refers only to this name. */
int rtld_errno attribute_hidden;
#else
__thread int errno;
extern __thread int __libc_errno __attribute__ ((alias ("errno")))
attribute_hidden;
#endif