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NAME

ipcrm — remove the specified message queues, semaphore sets, and shared memory segments

SYNOPSIS

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.