| /* Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <stdio_ext.h> |
| |
| #undef __fsetlocking |
| |
| int |
| __fsetlocking (FILE *fp, int type) |
| { |
| int result = ((fp->_flags & _IO_USER_LOCK) |
| ? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL); |
| |
| if (type != FSETLOCKING_QUERY) |
| { |
| fp->_flags &= ~_IO_USER_LOCK; |
| if (type == FSETLOCKING_BYCALLER) |
| fp->_flags |= _IO_USER_LOCK; |
| } |
| |
| return result; |
| } |
| libc_hidden_def (__fsetlocking) |