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.

ATTRIBUTES

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

Interface	Attribute	Value
mq_close()	Thread safety	MT-Safe

CONFORMING TO

POSIX.1-2001, POSIX.1-2008.

NOTES

All open message queues are automatically closed on process termination, or upon execve(2).

COLOPHON

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