Fixed and unified pthread_once.
[glibc.git] / stdio-common / ftrylockfile.c
blob0bd6d7dd8beb8b512c5c331a54f38630193c912b
1 /* Try locking I/O stream. Singlethreaded version.
2 Copyright (C) 1996-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #include <stdio.h>
21 #undef _IO_ftrylockfile
23 int
24 __ftrylockfile (FILE *stream)
26 /* Do nothing. Using this version does not do any locking. */
27 return 1;
29 weak_alias (__ftrylockfile, ftrylockfile);
30 weak_alias (__ftrylockfile, _IO_ftrylockfile)