1994-09-13 16:52:12 +00:00
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.\" Copyright (c) 1994 Adam Glass
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. The name of the Author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL Adam Glass BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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1999-08-28 01:08:13 +00:00
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.\" $FreeBSD$
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1994-09-13 16:52:12 +00:00
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.\""
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1997-06-23 04:52:13 +00:00
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.Dd August 8, 1994
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1999-08-15 08:25:34 +00:00
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.Dt IPCRM 1
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1994-09-13 16:52:12 +00:00
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.Os
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.Sh NAME
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.Nm ipcrm
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2000-05-09 14:02:06 +00:00
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.Nd "remove the specified message queues, semaphore sets, and shared segments"
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1994-09-13 16:52:12 +00:00
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.Sh SYNOPSIS
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1997-07-15 09:54:34 +00:00
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.Nm
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1994-09-13 16:52:12 +00:00
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.Op Fl q Ar msqid
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.Op Fl m Ar shmid
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.Op Fl s Ar semid
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.Op Fl Q Ar msgkey
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.Op Fl M Ar shmkey
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.Op Fl S Ar semkey
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.Ar ...
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.Sh DESCRIPTION
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1997-07-15 09:54:34 +00:00
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.Nm Ipcrm
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1994-09-13 16:52:12 +00:00
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removes the specified message queues, semaphores and shared memory
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segments. These System V IPC objects can be specified by their
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creation id or any associated key.
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.Pp
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The following options are used to specify which IPC objects will be removed. Any number and combination of these options can be used:
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.Bl -tag -width indent
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.It Fl q Ar msqid
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Remove the message queue associated with the id
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.Nm msqid
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from the system.
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.It Fl m Ar shmid
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Mark the shared memory segment associated with id
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.Nm shmid
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for removal.
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This marked segment will be destroyed after the last detach.
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.It Fl s Ar semid
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Removes the semaphore set associated with id
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.Nm semid
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from the system.
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.It Fl Q Ar msgkey
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Remove the message queue associated with key
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.Nm msgkey
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from the system.
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.It Fl M Ar shmkey
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Mark the shared memory segment associated with key
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.Nm shmkey
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for removal.
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This marked segment will be destroyed after the last detach.
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.It Fl S Ar semkey
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Remove the semaphore set associated with key
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.Nm semkey
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from the system.
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.El
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.Pp
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The identifiers and keys associated with these System V IPC objects can be
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determined by using
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.Xr ipcs 1
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.
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.Sh SEE ALSO
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.Xr ipcs 1
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