MQ_CLOSE

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
ATTRIBUTES
CONFORMING TO
NOTES
SEE ALSO
COLOPHON

NAME

mq_close − close a message queue descriptor

SYNOPSIS

#include <mqueue.h>

int 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.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

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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

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