3 files changed, 148 insertions, 0 deletions
diff --git a/usr.bin/fsync/Makefile b/usr.bin/fsync/Makefile
new file mode 100644
index 0000000..c9bc524
--- /dev/null
+++ b/usr.bin/fsync/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+PROG=	fsync
+
+.include <bsd.prog.mk>
diff --git a/usr.bin/fsync/fsync.1 b/usr.bin/fsync/fsync.1
new file mode 100644
index 0000000..0cc41d3
--- /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 0000000..78aeb21
--- /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 */
+}