HP-UX Reference (11i v1 05/09) - 1 User Commands N-Z (vol 2)

pipcrm(1) pipcrm(1)

NAME

pipcrm - remove a POSIX message queue or a POSIX named semaphore

SYNOPSIS

pipcrm [option]...

DESCRIPTION

The pipcrm command removes one or more speciﬁed POSIX message queue or POSIX named semaphore.

Options

The identiﬁers are speciﬁed by the following options:

-q msqname Unlinks the queue name from the message queue speciﬁed by the argument,

msqname. If there are no processes with existing open descriptors for the message

queue, the queue is destroyed. If one or more processes have the message queue open,

the removal of the queue is postponed until all descriptors for the queue have been

closed.

-s semname Unlinks the semphore name from the semaphore speciﬁed by the argument, sem-

name. If there are no processes with existing open descriptors for the semaphore, the

semaphore is destroyed. If one or more processes have the semaphore open, the remo-

val of the semaphore is postponed until all descriptors for the semaphore have been

closed.

The details of the removals are described in mq_unlink(2), and sem_unlink(2). The names can be found by

using pipcs (see pipcs(1)).