1.\" $NetBSD: lock.9,v 1.29 2008/04/30 13:10:58 martin Exp $ 2.\" 3.\" Copyright (c) 2000, 2007, 2008 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd January 30, 2008 28.Dt LOCK 9 29.Os 30.Sh NAME 31.Nm lock , 32.Nm simple_lock_init , 33.Nm simple_lock , 34.Nm simple_lock_try , 35.Nm simple_unlock , 36.Nm simple_lock_freecheck , 37.Nm simple_lock_dump , 38.Nm lockinit , 39.Nm lockmgr , 40.Nm lockstatus , 41.Nm lockmgr_printinfo , 42.Nm spinlockinit , 43.Nm spinlockmgr 44.Nd kernel lock functions 45.Sh DESCRIPTION 46These interfaces have been obsoleted and removed from the system. 47.Pp 48Please see the 49.Xr condvar 9 , 50.Xr mutex 9 , 51and 52.Xr rwlock 9 53manual pages for information on kernel synchronisation primitives. 54.Sh SEE ALSO 55.Xr condvar 9 , 56.Xr mutex 9 , 57.Xr rwlock 9 58.Sh HISTORY 59The kernel locking API first appeared in 60.Bx 4.4 Ns -lite2 , 61and was replaced in 62.Nx 5.0 . 63