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Manual Section... (3) - page: mq_close

 

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 3.24 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

This document was created by man2html, using the manual pages.
Time: 15:26:49 GMT, June 11, 2010

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