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)