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ipcrm.1 (79755) ipcrm.1 (95124)
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.\"
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: head/usr.bin/ipcrm/ipcrm.1 79755 2001-07-15 08:06:20Z dd $
24.\" $FreeBSD: head/usr.bin/ipcrm/ipcrm.1 95124 2002-04-20 12:18:28Z charnier $
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
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
42.Nm Ipcrm
43removes the specified message queues, semaphores and shared memory
42The
43.Nm
44utility removes the specified message queues, semaphores and shared memory
44segments. These System V IPC objects can be specified by their
45creation id or any associated key.
46.Pp
47The following options are used to specify which IPC objects will be removed. Any number and combination of these options can be used:
48.Bl -tag -width indent
49.It Fl q Ar msqid
50Remove the message queue associated with the id
51.Nm msqid
52from the system.
53.It Fl m Ar shmid
54Mark the shared memory segment associated with id
55.Nm shmid
56for removal.
57This marked segment will be destroyed after the last detach.
58.It Fl s Ar semid
59Removes the semaphore set associated with id
60.Nm semid
61from the system.
62.It Fl Q Ar msgkey
63Remove the message queue associated with key
64.Nm msgkey
65from the system.
66.It Fl M Ar shmkey
67Mark the shared memory segment associated with key
68.Nm shmkey
69for removal.
70This marked segment will be destroyed after the last detach.
71.It Fl S Ar semkey
72Remove the semaphore set associated with key
73.Nm semkey
74from the system.
75.El
76.Pp
77The identifiers and keys associated with these System V IPC objects can be
78determined by using
79.Xr ipcs 1 .
80.Sh SEE ALSO
81.Xr ipcs 1
45segments. These System V IPC objects can be specified by their
46creation id or any associated key.
47.Pp
48The following options are used to specify which IPC objects will be removed. Any number and combination of these options can be used:
49.Bl -tag -width indent
50.It Fl q Ar msqid
51Remove the message queue associated with the id
52.Nm msqid
53from the system.
54.It Fl m Ar shmid
55Mark the shared memory segment associated with id
56.Nm shmid
57for removal.
58This marked segment will be destroyed after the last detach.
59.It Fl s Ar semid
60Removes the semaphore set associated with id
61.Nm semid
62from the system.
63.It Fl Q Ar msgkey
64Remove the message queue associated with key
65.Nm msgkey
66from the system.
67.It Fl M Ar shmkey
68Mark the shared memory segment associated with key
69.Nm shmkey
70for removal.
71This marked segment will be destroyed after the last detach.
72.It Fl S Ar semkey
73Remove the semaphore set associated with key
74.Nm semkey
75from the system.
76.El
77.Pp
78The identifiers and keys associated with these System V IPC objects can be
79determined by using
80.Xr ipcs 1 .
81.Sh SEE ALSO
82.Xr ipcs 1