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Linux 2.6 - man page for mq_close (linux section 3posix)

MQ_CLOSE(P)			    POSIX Programmer's Manual			      MQ_CLOSE(P)

NAME
       mq_close - close a message queue (REALTIME)

SYNOPSIS
       #include <mqueue.h>

       int mq_close(mqd_t mqdes);

DESCRIPTION
       The mq_close() function shall remove the association between the message queue descriptor,
       mqdes, and its message queue. The results of using this	message  queue	descriptor  after
       successful  return  from  this  mq_close(),  and  until	the  return of this message queue
       descriptor from a subsequent mq_open(), are undefined.

       If the process has successfully attached a notification request to the message  queue  via
       this  mqdes,  this  attachment  shall  be  removed, and the message queue is available for
       another process to attach for notification.

RETURN VALUE
       Upon successful completion, the mq_close() function shall return a value of  zero;  other-
       wise, the function shall return a value of -1 and set errno to indicate the error.

ERRORS
       The mq_close() function shall fail if:

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

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       mq_open() , mq_unlink() , msgctl() , msgget() , msgrcv() , msgsnd() , the Base Definitions
       volume of IEEE Std 1003.1-2001, <mqueue.h>

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 orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003				      MQ_CLOSE(P)


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