about summary refs log tree commit diff
path: root/csu/errno.c
blob: a383d8f5494b84a85c66f0345308f5af1507fb9a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* 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