Utility for deleting message queues, semaphores and shared memory segments.

Obtained from: NetBSD

1 files changed, 83 insertions, 0 deletions

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+.\" Copyright (c) 1994 Adam Glass
+.\" 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. The name of the Author may not be used to endorse or promote products
+.\"    derived from this software without specific prior written permission.
+.\" 
+.\" THIS SOFTWARE IS PROVIDED BY Adam Glass ``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 Adam Glass 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.
+.\" 
+.\" $Id: ipcrm.1,v 1.1 1994/08/09 02:26:30 glass Exp $
+.\""
+.Dd August 8th, 1994
+.Dt ipcrm 1
+.Os
+.Sh NAME
+.Nm ipcrm
+.Nd remove the specified message queues, semaphore sets, and shared memory
+segments
+.Sh SYNOPSIS
+.Nm ipcrm
+.Op Fl q Ar msqid
+.Op Fl m Ar shmid
+.Op Fl s Ar semid
+.Op Fl Q Ar msgkey
+.Op Fl M Ar shmkey
+.Op Fl S Ar semkey
+.Ar ...
+.Sh DESCRIPTION
+.Nm ipcrm
+removes the specified message queues, semaphores and shared memory
+segments.  These System V IPC objects can be specified by their
+creation id or any associated key.
+.Pp
+The following options are used to specify which IPC objects will be removed.  Any number and combination of these options can be used:
+.Bl -tag -width indent
+.It Fl q Ar msqid
+Remove the message queue associated with the id
+.Nm msqid
+from the system.
+.It Fl m Ar shmid
+Mark the shared memory segment associated with id 
+.Nm shmid
+for removal.
+This marked segment will be destroyed after the last detach.
+.It Fl s Ar semid
+Removes the semaphore set associated with id
+.Nm semid
+from the system.
+.It Fl Q Ar msgkey
+Remove the message queue associated with key 
+.Nm msgkey
+from the system.
+.It Fl M Ar shmkey
+Mark the shared memory segment associated with key 
+.Nm shmkey
+for removal.
+This marked segment will be destroyed after the last detach.
+.It Fl S Ar semkey
+Remove the semaphore set associated with key
+.Nm semkey
+from the system.
+.El
+.Pp
+The identifiers and keys associated with these System V IPC objects can be
+determined by using
+.Xr ipcs 1
+.
+.Sh SEE ALSO
+.Xr ipcs 1