ipcrm(1)
ipcrm --
remove a message queue, semaphore set, or shared memory ID
Synopsis
ipcrm [options]
Description
ipcrm
removes one or more messages, semaphores, or shared
memory identifiers.
The identifiers are specified
by the following options:
- -q msqid
-
Remove the message queue identifier msqid
from the system and destroy the message queue
and data structure associated with it.
- -m shmid
-
Remove the shared memory identifier shmid
from the system.
The shared memory segment and data
structure associated with it are destroyed after
the last detach.
- -s semid
-
Remove the semaphore identifier semid
from the system and destroy the set of semaphores and
data structure associated with it.
- -Q msgkey
-
Remove the message queue identifier, created with key msgkey,
from the system and destroy the message queue
and data structure associated with it.
- -M shmkey
-
Removes the shared memory identifier, created with key shmkey,
from the system.
The shared memory segment and data
structure associated with it are destroyed after
the last detach.
- -S semkey
-
Remove the semaphore identifier, created with key semkey,
from the system and destroy the set of semaphores and
data structure associated with it.
The details of the removes are described in
msgctl(2),
shmctl(2),
and
semctl(2).
Use the ipcs command to find the identifiers and keys.
References
ipcs(1),
msgctl(2),
msgget(2),
msgop(2),
semctl(2),
semget(2),
semop(2),
shmctl(2),
shmget(2),
shmop(2)
30 January 1998
© 1998 The Santa Cruz Operation, Inc. All rights reserved.