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b168057a | 1 | /* Copyright (C) 2000-2015 Free Software Foundation, Inc. |
41bdb6e2 | 2 | This file is part of the GNU C Library. |
a91d3cd3 | 3 | |
41bdb6e2 AJ |
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. | |
a91d3cd3 | 8 | |
41bdb6e2 AJ |
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 | |
a91d3cd3 | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
41bdb6e2 AJ |
12 | Lesser General Public License for more details. |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
a91d3cd3 UD |
17 | |
18 | #include <stdio_ext.h> | |
19 | ||
6b87a564 UD |
20 | #undef __fsetlocking |
21 | ||
a91d3cd3 UD |
22 | int |
23 | __fsetlocking (FILE *fp, int type) | |
24 | { | |
25 | int result = ((fp->_flags & _IO_USER_LOCK) | |
26 | ? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL); | |
27 | ||
28 | if (type != FSETLOCKING_QUERY) | |
29 | { | |
30 | fp->_flags &= ~_IO_USER_LOCK; | |
31 | if (type == FSETLOCKING_BYCALLER) | |
32 | fp->_flags |= _IO_USER_LOCK; | |
33 | } | |
34 | ||
35 | return result; | |
36 | } | |
d18ea0c5 | 37 | libc_hidden_def (__fsetlocking) |