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
STANDARDS
The ipcrm
utility is compliant with the
X/Open System Interfaces option of the IEEE Std 1003.1-2008
(“POSIX.1”) specification.