mq_close3
Close a message queue descriptor
Usage
#include <mqueue.h>
int mq_close(mqd_t mqdes);
Library
Real-time library (librt, -lrt)
Overview
mq_close() closes the message queue descriptor mqdes.
If the calling process has attached a notification request (see mq_notify(3)) 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 message queue descriptor specified in mqdes is invalid.
Attributes
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| mq_close() | Thread safety | MT-Safe |
Notes
All open message queues are automatically closed on process termination, or upon execve(2).
Releases
11 releases since Debian 4.0 (Etch); the text changed 10 times.