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Command: ipcrm | Section: 1 | Source: OpenBSD | File: ipcrm.1
IPCRM(1) FreeBSD 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 options are as follows:
-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
system.
-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
system.
-s semid
Removes the semaphore set associated with ID semid from the
system.
The identifiers and keys associated with these System V IPC objects can
be determined by using ipcs(1).
EXIT STATUS
The ipcrm utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
ipcs(1)
STANDARDS
The ipcrm utility is compliant with the X/Open System Interfaces option
of the IEEE Std 1003.1-2008 ("POSIX.1") specification.
FreeBSD 14.1-RELEASE-p8 September 9, 2015 FreeBSD 14.1-RELEASE-p8