1 /* 2 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by John Birrell. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD: src/lib/libc/stdio/_flock_stub.c,v 1.3 1999/08/28 00:00:55 peter Exp $ 33 * $DragonFly: src/lib/libc/stdio/_flock_stub.c,v 1.3 2004/01/23 11:30:27 joerg Exp $ 34 * 35 */ 36 37 #include <stdio.h> 38 39 /* Don't build this in libc_r, just libc: */ 40 #ifndef _THREAD_SAFE 41 /* 42 * Declare weak references in case the application is not linked 43 * with libpthread. 44 */ 45 #pragma weak flockfile=_flockfile_stub 46 #pragma weak _flockfile_debug=_flockfile_debug_stub 47 #pragma weak ftrylockfile=_ftrylockfile_stub 48 #pragma weak funlockfile=_funlockfile_stub 49 50 void flockfile(FILE *); 51 void _flockfile_debug(FILE *, char *, int); 52 int ftrylockfile(FILE *); 53 void funlockfile(FILE *); 54 55 /* 56 * This function is a stub for the _flockfile function in libpthread. 57 */ 58 void 59 _flockfile_stub(FILE *fp) 60 { 61 } 62 63 /* 64 * This function is a stub for the _flockfile_debug function in libpthread. 65 */ 66 void 67 _flockfile_debug_stub(FILE *fp, char *fname, int lineno) 68 { 69 } 70 71 /* 72 * This function is a stub for the _ftrylockfile function in libpthread. 73 */ 74 int 75 _ftrylockfile_stub(FILE *fp) 76 { 77 return(0); 78 } 79 80 /* 81 * This function is a stub for the _funlockfile function in libpthread. 82 */ 83 void 84 _funlockfile_stub(FILE *fp) 85 { 86 } 87 #endif 88