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33574c17 | 1 | /* Try locking I/O stream. Hurd version |
04277e02 | 2 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
33574c17 ST |
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 | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
33574c17 ST |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdio-lock.h> | |
23 | ||
24 | ||
25 | int | |
26 | __ftrylockfile (FILE *stream) | |
27 | { | |
28 | #ifdef SHARED | |
29 | return __libc_ptf_call (_IO_ftrylockfile, (stream), 0); | |
30 | #else | |
31 | return 0; | |
32 | #endif | |
33 | } | |
34 | weak_alias (__ftrylockfile, _IO_ftrylockfile) | |
35 | weak_alias (__ftrylockfile, ftrylockfile) |