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IPCRM(1) General Commands Manual IPCRM(1)

NAME

ipcrmremove 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.
September 9, 2015 OpenBSD-current