1 /* Copyright (C) 2000, 2002 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, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #include <stdio_ext.h> 20 21 #undef __fsetlocking 22 23 int 24 __fsetlocking (FILE *fp, int type) 25 { 26 int result = ((fp->_flags & _IO_USER_LOCK) 27 ? FSETLOCKING_BYCALLER : FSETLOCKING_INTERNAL); 28 29 if (type != FSETLOCKING_QUERY) 30 { 31 fp->_flags &= ~_IO_USER_LOCK; 32 if (type == FSETLOCKING_BYCALLER) 33 fp->_flags |= _IO_USER_LOCK; 34 } 35 36 return result; 37 } 38 INTDEF(__fsetlocking) 39