initial import of NetBSD tree

3 files changed, 141 insertions, 0 deletions

diff --git a/bin/sync/Makefile b/bin/sync/Makefile
new file mode 100644
index 00000000000..08d6a716797
--- /dev/null
+++ b/bin/sync/Makefile
@@ -0,0 +1,7 @@
+#	$NetBSD: Makefile,v 1.7 1995/03/21 09:11:33 cgd Exp $
+#	@(#)Makefile	8.1 (Berkeley) 5/31/93
+
+PROG=	sync
+MAN=	sync.8
+
+.include <bsd.prog.mk>
diff --git a/bin/sync/sync.8 b/bin/sync/sync.8
new file mode 100644
index 00000000000..b18028381ef
--- /dev/null
+++ b/bin/sync/sync.8
@@ -0,0 +1,75 @@
+.\"	$NetBSD: sync.8,v 1.6 1995/03/21 09:11:35 cgd Exp $
+.\"
+.\" Copyright (c) 1980, 1991, 1993
+.\"	The Regents of the University of California.  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.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" 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.
+.\"
+.\"	@(#)sync.8	8.1 (Berkeley) 5/31/93
+.\"
+.Dd May 31, 1993
+.Dt SYNC 8
+.Os BSD 4
+.Sh NAME
+.Nm sync
+.Nd force completion of pending disk writes (flush cache)
+.Sh SYNOPSIS
+.Nm sync
+.Sh DESCRIPTION
+.Nm Sync
+can be called to insure that all disk writes have been completed before the
+processor is halted in a way not suitably done by
+.Xr reboot 8
+or
+.Xr halt 8 .
+Generally, it is preferable to use
+.Xr reboot
+or
+.Xr halt
+to shut down the system,
+as they may perform additional actions
+such as resynchronizing the hardware clock
+and flushing internal caches before performing a final
+.Nm sync .
+.Pp
+.Nm Sync
+utilizes the
+.Xr sync 2
+function call.
+.Sh SEE ALSO
+.Xr sync 2 ,
+.Xr fsync 2 ,
+.Xr halt 8 ,
+.Xr reboot 8 ,
+.Xr update 8
+.Sh HISTORY
+A
+.Nm sync
+command appeared in
+.At v6 .
diff --git a/bin/sync/sync.c b/bin/sync/sync.c
new file mode 100644
index 00000000000..9b0e6f1476e
--- /dev/null
+++ b/bin/sync/sync.c
@@ -0,0 +1,59 @@
+/*	$NetBSD: sync.c,v 1.7 1995/03/21 09:11:37 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1987, 1993
+ *	The Regents of the University of California.  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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * 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
+static char copyright[] =
+"@(#) Copyright (c) 1987, 1993\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)sync.c	8.1 (Berkeley) 5/31/93";
+#else
+static char rcsid[] = "$NetBSD: sync.c,v 1.7 1995/03/21 09:11:37 cgd Exp $";
+#endif
+#endif /* not lint */
+
+#include <unistd.h>
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	sync();
+	exit(0);
+}