mq_close man page on DragonFly

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MQ_CLOSE(2)		    BSD System Calls Manual		   MQ_CLOSE(2)

NAME
     mq_close — close a message queue (REALTIME)

LIBRARY
     POSIX Real-time Library (librt, -lrt)

SYNOPSIS
     #include <mqueue.h>

     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 notifica‐
     tion.

RETURN VALUES
     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.

ERRORS
     The mq_close() function fails if:

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

SEE ALSO
     mq_getattr(2), mq_notify(2), mq_open(2), mq_receive(2), mq_send(2),
     mq_setattr(2), mq_unlink(2)

STANDARDS
     This function conforms to the IEEE Std 1003.1-2001 (“POSIX.1”) standard.

HISTORY
     The mq_close() function first appeared in DragonFly 2.5.

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 Spec‐
     ifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electri‐
     cal 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 ref‐
     eree document.  The original Standard can be obtained online at
     http://www.opengroup.org/unix/online.html .

BSD				August 19, 2009				   BSD
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