1.\" $NetBSD: ipcrm.1,v 1.9 2002/09/30 11:09:03 grant Exp $ 2.\" 3.\" Copyright (c) 1994 Adam Glass 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. The name of the Author may not be used to endorse or promote products 12.\" derived from this software without specific prior written permission. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL Adam Glass BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $NetBSD: ipcrm.1,v 1.9 2002/09/30 11:09:03 grant Exp $ 27.\"" 28.Dd June 17, 2002 29.Dt IPCRM 1 30.Os 31.Sh NAME 32.Nm ipcrm 33.Nd remove the specified message queues, semaphore sets, 34and shared memory segments 35.Sh SYNOPSIS 36.Nm 37.Bk -words 38.Op Fl q Ar msqid 39.Ek 40.Bk -words 41.Op Fl m Ar shmid 42.Ek 43.Bk -words 44.Op Fl s Ar semid 45.Ek 46.Bk -words 47.Op Fl Q Ar msgkey 48.Ek 49.Bk -words 50.Op Fl M Ar shmkey 51.Ek 52.Bk -words 53.Op Fl S Ar semkey 54.Ek 55.Ar ... 56.Sh DESCRIPTION 57.Nm 58removes the specified message queues, semaphores and shared memory 59segments. 60These System V IPC objects can be specified by their 61creation id or any associated key. 62.Pp 63The following options are used to specify which IPC objects will be removed. 64Any number and combination of these options can be used: 65.Bl -tag -width indent 66.It Fl q Ar msqid 67Remove the message queue associated with the id 68.Ar msqid 69from the system. 70.It Fl m Ar shmid 71Mark the shared memory segment associated with id 72.Ar shmid 73for removal. 74This marked segment will be destroyed after the last detach. 75.It Fl s Ar semid 76Removes the semaphore set associated with id 77.Ar semid 78from the system. 79.It Fl Q Ar msgkey 80Remove the message queue associated with key 81.Ar msgkey 82from the system. 83.It Fl M Ar shmkey 84Mark the shared memory segment associated with key 85.Ar shmkey 86for removal. 87This marked segment will be destroyed after the last detach. 88.It Fl S Ar semkey 89Remove the semaphore set associated with key 90.Ar semkey 91from the system. 92.El 93.Pp 94The identifiers and keys associated with these System V IPC objects can be 95determined by using 96.Xr ipcs 1 . 97.Sh SEE ALSO 98.Xr ipcs 1 , 99.Xr shmat 2 , 100.Xr shmctl 2 , 101.Xr shmdt 2 , 102.Xr shmget 2 103