diff options
Diffstat (limited to 'usr.bin/fsync')
| -rw-r--r-- | usr.bin/fsync/Makefile | 6 | ||||
| -rw-r--r-- | usr.bin/fsync/fsync.1 | 63 | ||||
| -rw-r--r-- | usr.bin/fsync/fsync.c | 80 |
3 files changed, 149 insertions, 0 deletions
diff --git a/usr.bin/fsync/Makefile b/usr.bin/fsync/Makefile new file mode 100644 index 000000000000..42aa6ddec665 --- /dev/null +++ b/usr.bin/fsync/Makefile @@ -0,0 +1,6 @@ +# $FreeBSD$ + +PROG= fsync + +WARNS?= 6 +.include <bsd.prog.mk> diff --git a/usr.bin/fsync/fsync.1 b/usr.bin/fsync/fsync.1 new file mode 100644 index 000000000000..0cc41d3ceb05 --- /dev/null +++ b/usr.bin/fsync/fsync.1 @@ -0,0 +1,63 @@ +.\" Copyright (c) 2000 Paul Saab <ps@FreeBSD.org> +.\" 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. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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. +.\" +.\" $FreeBSD$ +.\" +.Dd January 25, 2005 +.Dt FSYNC 1 +.Os +.Sh NAME +.Nm fsync +.Nd synchronize a file's in-core state with that on disk +.Sh SYNOPSIS +.Nm +.Ar +.Sh DESCRIPTION +The +.Nm +utility causes all the modified data and meta-data of +all the files named on the command line +to be written to a permanent storage device. +.Pp +The +.Nm +utility uses the +.Xr fsync 2 +function call. +.Sh EXIT STATUS +If an error occurs, the +.Nm +utility proceeds to the next file, and exits >0. +Otherwise, it exits 0. +.Sh SEE ALSO +.Xr fsync 2 , +.Xr sync 2 , +.Xr syncer 4 , +.Xr halt 8 , +.Xr reboot 8 +.Sh HISTORY +The +.Nm +command first appeared in +.Fx 4.3 . diff --git a/usr.bin/fsync/fsync.c b/usr.bin/fsync/fsync.c new file mode 100644 index 000000000000..78aeb21baa21 --- /dev/null +++ b/usr.bin/fsync/fsync.c @@ -0,0 +1,80 @@ +/*- + * Copyright (c) 2000 Paul Saab <ps@FreeBSD.org> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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. + */ + +#ifndef lint +#endif /* not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sysexits.h> +#include <unistd.h> + +static void usage(void); + +int +main(int argc, char *argv[]) +{ + int fd; + int i; + int rval; + + if (argc < 2) { + usage(); + /* NOTREACHED */ + } + + rval = EX_OK; + for (i = 1; i < argc; ++i) { + if ((fd = open(argv[i], O_RDONLY)) == -1) { + warn("open %s", argv[i]); + if (rval == EX_OK) + rval = EX_NOINPUT; + continue; + } + + if (fsync(fd) == -1) { + warn("fsync %s", argv[i]); + if (rval == EX_OK) + rval = EX_OSERR; + } + close(fd); + } + exit(rval); + /* NOTREACHED */ +} + +static void +usage(void) +{ + + fprintf(stderr, "usage: fsync file ...\n"); + exit(EX_USAGE); + /* NOTREACHED */ +} |