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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:15 -0400
commit253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch)
treeadf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man8/rpc.lockd.8
parenta9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff)
docs: Added All NetBSD Manuals
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+.\" $NetBSD: rpc.lockd.8,v 1.8 2012/08/13 12:37:05 wiz Exp $
+.\"
+.\" Copyright (c) 1995 A.R.Gordon, andrew.gordon@net-tel.co.uk
+.\" 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 AUTHOR 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 AUTHOR 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.
+.\"
+.\"
+.Dd August 11, 2012
+.Dt RPC.LOCKD 8
+.Os
+.Sh NAME
+.Nm rpc.lockd
+.Nd NFS file locking daemon
+.Sh SYNOPSIS
+.Nm
+.Op Fl 46
+.Op Fl d Ar debug_level
+.Op Fl g Ar grace_period
+.Sh DESCRIPTION
+The
+.Nm
+daemon provides monitored and unmonitored file and record locking services
+in an NFS environment.
+To monitor the status of hosts requesting locks, the locking daemon
+typically operates in conjunction with
+.Xr rpc.statd 8 .
+.Pp
+Options and operands available for
+.Nm :
+.Bl -tag -width XgXgrace_periodXX
+.It Fl 4
+Listen for requests using IPv4.
+Do not listen using IPv6 unless the
+.Fl 6
+option is also specified.
+By default,
+.Nm
+listens for requests using both IPv4 and IPv6 if available.
+.It Fl 6
+Listen for requests using IPv6.
+It is an error if IPv6 is not available.
+.It Fl d Ar debug_level
+Cause debugging information to be written to syslog, recording all
+RPC transactions to the daemon.
+These messages are logged with level
+.Dv LOG_DEBUG
+and facility
+.Dv LOG_DAEMON .
+Specifying a
+.Ar debug_level
+of 1 results in the generation of one log line per protocol operation.
+Higher debug levels can be specified, causing display of operation
+arguments and internal operations of the daemon.
+.It Fl g Ar grace_period
+Set the grace period (in seconds) to
+.Ar grace_period .
+During the grace period
+.Nm
+only accepts requests from hosts which are reinitialising locks which
+existed before the server restarted.
+Default is 30 seconds.
+.El
+.Pp
+Error conditions are logged to syslog, irrespective of the debug level,
+using log level
+.Dv LOG_ERR
+and facility
+.Dv LOG_DAEMON .
+.Pp
+The
+.Nm
+daemon must NOT be invoked by
+.Xr inetd 8
+because the protocol assumes that the daemon will run from system start time.
+Instead, it should be configured in
+.Xr rc.conf 5
+to run at system startup.
+.Sh FILES
+.Bl -tag -width /usr/include/rpcsvc/nlm_prot.x -compact
+.It Pa /usr/include/rpcsvc/nlm_prot.x
+RPC protocol specification for the network lock manager protocol.
+.El
+.Sh SEE ALSO
+.Xr syslog 3 ,
+.Xr rc.conf 5 ,
+.Xr rpc.statd 8
+.Sh STANDARDS
+The implementation is based on the specification in X/Open CAE Specification
+C218, "Protocols for X/Open PC Interworking: XNFS, Issue 4", ISBN 1 872630 66 9.
+.Sh HISTORY
+A version of
+.Nm
+appeared in
+.Tn SunOS 4 .
+.Sh BUGS
+The current implementation provides only the server side of the protocol
+(i.e., clients running other OS types can establish locks on a
+.Nx
+fileserver, but there is currently no means for a
+.Nx
+client to establish locks).
+.Pp
+The current implementation serialises lock requests that could be shared.