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MQ_CLOSE(3)			   BSD Library Functions Manual 		      MQ_CLOSE(3)

     mq_close -- close a message queue (REALTIME)

     POSIX Real-time Library (librt, -lrt)

     #include <mqueue.h>

     mq_close(mqd_t mqdes);

     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.

     The mq_close() function returns the value 0 if successful; otherwise the value -1 is
     returned and the global variable errno is set to indicate the error.

     The mq_close() function fails if:

     [EBADF]		The mqdes argument is not a valid message queue descriptor.

     mq(3), mq_open(3), mq_unlink(3)

     This function conforms to the IEEE Std 1003.1-2001 (``POSIX.1'') standard.

     The mq_close() function first appeared in NetBSD 5.0.

     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 Insti-
     tute 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 .

BSD					   June 7, 2010 				      BSD
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