1.\" $NetBSD: rpc.lockd.8,v 1.5 2000/06/09 18:51:47 cgd Exp $ 2.\" $FreeBSD$ 3.\" 4.\" Copyright (c) 1995 A.R.Gordon, andrew.gordon@net-tel.co.uk 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by the University of 18.\" California, Berkeley and its contributors. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" 36.Dd September 24, 1995 37.Dt RPC.LOCKD 8 38.Os 39.Sh NAME 40.Nm rpc.lockd 41.Nd NFS file locking daemon 42.Sh SYNOPSIS 43.Nm 44.Op Fl d Ar debug_level 45.Op Fl g Ar grace period 46.Sh DESCRIPTION 47The 48.Nm 49utility provides monitored and unmonitored file and record locking services 50in an NFS environment. 51To monitor the status of hosts requesting locks, 52the locking daemon typically operates in conjunction 53with 54.Xr rpc.statd 8 . 55.Pp 56Options and operands available for 57.Nm : 58.Bl -tag -width indent 59.It Fl d 60The 61.Fl d 62option causes debugging information to be written to syslog, recording 63all RPC transactions to the daemon. 64These messages are logged with level 65.Dv LOG_DEBUG 66and facility 67.Dv LOG_DAEMON . 68Specifying a 69.Ar debug_level 70of 1 results 71in the generation of one log line per protocol operation. 72Higher 73debug levels can be specified, causing display of operation arguments 74and internal operations of the daemon. 75.It Fl g 76The 77.Fl g 78option allow to specify the 79.Ar grace period , 80in seconds. 81During the grace period 82.Nm 83only accepts requests from hosts which are reinitialising locks which 84existed before the server restart. 85Default is 30 seconds. 86.El 87.Pp 88Error conditions are logged to syslog, irrespective of the debug level, 89using log level 90.Dv LOG_ERR 91and facility 92.Dv LOG_DAEMON . 93.Pp 94The 95.Nm 96utility must NOT be invoked by 97.Xr inetd 8 98because the protocol assumes that the daemon will run from system start time. 99Instead, it should be configured in 100.Xr rc.conf 5 101to run at system startup. 102.Sh FILES 103.Bl -tag -width /usr/include/rpcsvc/nlm_prot.x -compact 104.It Pa /usr/include/rpcsvc/nlm_prot.x 105RPC protocol specification for the network lock manager protocol. 106.El 107.Sh SEE ALSO 108.Xr syslog 3 , 109.Xr rc.conf 5 , 110.Xr rpc.statd 8 111.Sh BUGS 112The current implementation serialises locks requests that could be shared. 113.Sh STANDARDS 114The implementation is based on the specification in 115.Rs 116.%B "X/Open CAE Specification C218" 117.%T "Protocols for X/Open PC Interworking: XNFS, Issue 4" 118.%O ISBN 1 872630 66 9 119.Re 120.Sh HISTORY 121A version of 122.Nm 123appeared in 124.Tn SunOS 1254. 126