1.\" Copyright (c) 1994 Adam Glass 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. The name of the Author may not be used to endorse or promote products 10.\" derived from this software without specific prior written permission. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL Adam Glass BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.\" $FreeBSD$ 25.\"" 26.Dd August 8, 1994 27.Dt IPCRM 1 28.Os 29.Sh NAME 30.Nm ipcrm 31.Nd "remove the specified message queues, semaphore sets, and shared segments" 32.Sh SYNOPSIS 33.Nm 34.Op Fl q Ar msqid 35.Op Fl m Ar shmid 36.Op Fl s Ar semid 37.Op Fl Q Ar msgkey 38.Op Fl M Ar shmkey 39.Op Fl S Ar semkey 40.Ar ... 41.Sh DESCRIPTION 42The 43.Nm 44utility removes the specified message queues, semaphores and shared memory 45segments. 46These System V IPC objects can be specified by their 47creation ID or any associated key. 48.Pp 49The following options are used to specify which IPC objects will be removed. 50Any number and combination of these options can be used: 51.Bl -tag -width indent 52.It Fl q Ar msqid 53Remove the message queue associated with the ID 54.Ar msqid 55from the system. 56.It Fl m Ar shmid 57Mark the shared memory segment associated with ID 58.Ar shmid 59for removal. 60This marked segment will be destroyed after the last detach. 61.It Fl s Ar semid 62Remove the semaphore set associated with ID 63.Ar semid 64from the system. 65.It Fl Q Ar msgkey 66Remove the message queue associated with key 67.Ar msgkey 68from the system. 69.It Fl M Ar shmkey 70Mark the shared memory segment associated with key 71.Ar shmkey 72for removal. 73This marked segment will be destroyed after the last detach. 74.It Fl S Ar semkey 75Remove the semaphore set associated with key 76.Ar semkey 77from the system. 78.El 79.Pp 80The identifiers and keys associated with these System V IPC objects can be 81determined by using 82.Xr ipcs 1 . 83.Sh SEE ALSO 84.Xr ipcs 1 85