NAME
mq_close
- close a message queue (REALTIME)
LIBRARY
POSIX Real-time Library (librt, -lrt)
SYNOPSIS
int
mq_close(
mqd_t mqdes
)
DESCRIPTION
The
mq_close(
)
function will remove the association between the message queue descriptor,
mqdes
,
and its message queue.
If the process has successfully attached a notification request to
the message queue via this
mqdes
,
this attachment will be removed, and the message queue is available
for another process to attach for notification.
RETURN VALUES
ERRORS
The
mq_close(
)
function fails if:
- [
EBADF
] -
The
mqdes
argument is not a valid message queue descriptor.
SEE ALSO
mq_getattr(3),
mq_notify(3),
mq_open(3),
mq_receive(3),
mq_send(3),
mq_setattr(3),
mq_unlink(3)
STANDARDS
This function conforms to the
IEEE Std 1003.1-2001 (``POSIX.1'')
standard.
HISTORY
The
mq_close(
)
function first appeared in
NetBSD5.0.
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group.
In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document.
The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .