freebsd-src/lib/libc/stdio/_flock_stub.c
1999-08-28 00:22:10 +00:00

82 lines
2.6 KiB
C

/*
* Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John Birrell.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#include <stdio.h>
/* Don't build this in libc_r, just libc: */
#ifndef _THREAD_SAFE
/*
* Declare weak references in case the application is not linked
* with libpthread.
*/
#pragma weak flockfile=_flockfile_stub
#pragma weak _flockfile_debug=_flockfile_debug_stub
#pragma weak ftrylockfile=_ftrylockfile_stub
#pragma weak funlockfile=_funlockfile_stub
/*
* This function is a stub for the _flockfile function in libpthread.
*/
void
_flockfile_stub(FILE *fp)
{
}
/*
* This function is a stub for the _flockfile_debug function in libpthread.
*/
void
_flockfile_debug_stub(FILE *fp, char *fname, int lineno)
{
}
/*
* This function is a stub for the _ftrylockfile function in libpthread.
*/
int
_ftrylockfile_stub(FILE *fp)
{
return(0);
}
/*
* This function is a stub for the _funlockfile function in libpthread.
*/
void
_funlockfile_stub(FILE *fp)
{
}
#endif