netbsd man page for mq_close

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

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 notification.

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 indi-
     cate the error.

ERRORS
     The mq_close() function fails if:

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

SEE ALSO
     mq(3), mq_open(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 NetBSD 5.0.

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 Elec-
     trical 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