glibc/stdio-common/ftrylockfile.c

32 lines
1.1 KiB
C

/* Try locking I/O stream. Singlethreaded version.
Copyright (C) 1996, 1997, 2000, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio.h>
#undef _IO_ftrylockfile
int
__ftrylockfile (FILE *stream)
{
/* Do nothing. Using this version does not do any locking. */
return 1;
}
weak_alias (__ftrylockfile, ftrylockfile);
weak_alias (__ftrylockfile, _IO_ftrylockfile)