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 * $Id: _flock_stub.c,v 1.1 1998/04/11 07:40:41 jb Exp $ 33 * 34 */ 35 36 #include <stdio.h> 37 38 /* Don't build this in libc_r, just libc: */ 39 #ifndef _THREAD_SAFE 40 /* 41 * Declare weak references in case the application is not linked 42 * with libpthread. 43 */ 44 #pragma weak flockfile=_flockfile_stub 45 #pragma weak _flockfile_debug=_flockfile_debug_stub 46 #pragma weak ftrylockfile=_ftrylockfile_stub 47 #pragma weak funlockfile=_funlockfile_stub 48 49 /* 50 * This function is a stub for the _flockfile function in libpthread. 51 */ 52 void 53 _flockfile_stub(FILE *fp) 54 { 55 } 56 57 /* 58 * This function is a stub for the _flockfile_debug function in libpthread. 59 */ 60 void 61 _flockfile_debug_stub(FILE *fp, char *fname, int lineno) 62 { 63 } 64 65 /* 66 * This function is a stub for the _ftrylockfile function in libpthread. 67 */ 68 int 69 _ftrylockfile_stub(FILE *fp) 70 { 71 return(0); 72 } 73 74 /* 75 * This function is a stub for the _funlockfile function in libpthread. 76 */ 77 void 78 _funlockfile_stub(FILE *fp) 79 { 80 } 81 #endif 82