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MQ_CLOSE
Section: Linux Programmer's Manual (3)
Updated: 2006-02-25
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NAME
mq_close - close a message queue descriptor
SYNOPSIS
#include <mqueue.h>
mqd_t mq_close(mqd_t mqdes);
Link with -lrt.
DESCRIPTION
mq_close()
closes the message queue descriptor
mqdes.
If the calling process has attached a notification request
to this message queue via
mqdes,
then this request is removed,
and another process can now attach a notification request.
RETURN VALUE
On success
mq_close()
returns 0; on error, -1 is returned, with
errno
set to indicate the error.
ERRORS
- EBADF
-
The descriptor specified in
mqdes
is invalid.
CONFORMING TO
POSIX.1-2001.
NOTES
All open message queues are automatically closed on process termination,
or upon
execve(2).
SEE ALSO
mq_getattr(3),
mq_notify(3),
mq_open(3),
mq_receive(3),
mq_send(3),
mq_unlink(3),
mq_overview(7)
COLOPHON
This page is part of release 3.17 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
- COLOPHON
-
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