1 /* Copyright (C) 1996-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <features.h>
19 #include <netdb.h>
20 #undef h_errno
21
22 #include <tls.h>
23
24 /* We need to have the error status variable of the resolver
25 accessible in the libc. */
26 extern __thread int __h_errno;
27
28
29 /* When threaded, h_errno may be a per-thread variable. */
30 int *
__h_errno_location(void)31 __h_errno_location (void)
32 {
33 return &__h_errno;
34 }
35