AT&T UNIX™PC Unix System V Users Manual - tenox

IPCRM ( 1) IPCRM ( l )
NAME
ipcrm - remove a message queue, semaphore set or shared
memory id
SYNOPSIS
ipcrm [ options ]
DESCRIPTION
/p erm will remove one or more specified message, semaphore or
shared memory identifiers. The identifiers are specified by the following
options:
-q msqid removes the message queue identifier msqid from the
system and destroys the message queue and data
structure associated with it.
-m shmid removes 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 removes the semaphore identifier semid from the system
and destroys the set of semaphores and data
structure associated with it.
-Q msgkey removes the message queue identifier, created with
key msgkey, from the system and destroys 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 removes the semaphore identifier, created with key
semkey, from the system and destroys the set of
semaphores and data structure associated with it.
The details of the removes are described in msgct�2), shmct�2),
and semct(2). The identifiers and keys may be found by using
ipcs(l).
SEE ALSO
ipcs(l), msgctl(2), msgget(2), msgop(2), semct1(2), semget(2),
semop(2), shmctl(2), shmget(2), shmop(2).
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