ipcrm(1) BSD General Commands Manual ipcrm(1)
NAME
ipcrm -- remove the specified message queues, semaphore sets, and shared
memory segments
SYNOPSIS
ipcrm [-M shmkey] [-m shmid] [-Q msgkey] [-q msqid] [-S semkey]
[-s semid] ...
DESCRIPTION
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.
The following options are used to specify which IPC objects will be
removed. Any number and combination of these options can be used:
-M shmkey
Mark the shared memory segment associated with key shmkey for
removal. This marked segment will be destroyed after the last
detach.
-m shmid
Mark the shared memory segment associated with id shmid for
removal. This marked segment will be destroyed after the last
detach.
-Q msgkey
Remove the message queue associated with key msgkey from the sys-
tem.
-q msqid
Remove the message queue associated with the id msqid from the
system.
-S semkey
Remove the semaphore set associated with key semkey from the sys-
tem.
-s semid
Removes the semaphore set associated with id semid from the sys-
tem.
The identifiers and keys associated with these System V IPC objects can
be determined by using ipcs(1)
SEE ALSO
ipcs(1)
BSD August 8, 1994 BSD
Mac OS X 10.6 - Generated Thu Sep 17 20:07:55 CDT 2009