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ce460d04 | 1 | /* Definition of `errno' variable. Canonical version. |
bfff8b1b | 2 | Copyright (C) 2002-2017 Free Software Foundation, Inc. |
fb23eb25 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
fb23eb25 | 18 | |
ce460d04 RM |
19 | #include <errno.h> |
20 | #include <tls.h> | |
f0323886 | 21 | #include <dl-sysdep.h> |
ce460d04 | 22 | #undef errno |
fb23eb25 | 23 | |
0c70edcb RM |
24 | #if RTLD_PRIVATE_ERRNO |
25 | ||
26 | /* Code compiled for rtld refers only to this name. */ | |
27 | int rtld_errno attribute_hidden; | |
28 | ||
d063d164 | 29 | #else |
0c70edcb | 30 | |
ce460d04 | 31 | __thread int errno; |
9b21e6bc RM |
32 | extern __thread int __libc_errno __attribute__ ((alias ("errno"))) |
33 | attribute_hidden; | |
0c70edcb | 34 | |
ce460d04 | 35 | #endif |