1 /*- 2 * Copyright (c) 2000 Paul Saab <ps@FreeBSD.org> 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/usr.bin/fsync/fsync.c,v 1.1.2.2 2000/07/25 07:48:25 ps Exp $ 27 * $DragonFly: src/usr.bin/fsync/fsync.c,v 1.5 2006/03/16 15:06:05 swildner Exp $ 28 */ 29 30 #include <err.h> 31 #include <fcntl.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <sysexits.h> 35 #include <unistd.h> 36 37 static void usage(void); 38 39 int 40 main(int argc, char *argv[]) 41 { 42 int fd; 43 int i; 44 int rval = 0; 45 46 if (argc < 2) 47 usage(); 48 49 for (i = 1; i < argc; ++i) { 50 if ((fd = open(argv[i], O_RDONLY)) < 0) { 51 warn("open failed %s", argv[i]); 52 rval = 1; 53 continue; 54 } 55 56 if (fsync(fd) != 0) { 57 warn("failed to fsync %s", argv[i]); 58 rval = 1; 59 } 60 close(fd); 61 } 62 return(rval); 63 } 64 65 static void 66 usage(void) 67 { 68 fprintf(stderr, "usage: fsync file ...\n"); 69 exit(EX_USAGE); 70 } 71