| MQ_CLOSE(3) | Linux Programmer's Manual | MQ_CLOSE(3) |
mq_close - close a message queue descriptor
#include <mqueue.h>
int mq_close(mqd_t mqdes);
Link with -lrt.
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.
On success mq_close() returns 0; on error, -1 is returned, with errno set to indicate the error.
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| mq_close () | Thread safety | MT-Safe |
POSIX.1-2001, POSIX.1-2008.
All open message queues are automatically closed on process termination, or upon execve(2).
mq_getattr(3), mq_notify(3), mq_open(3), mq_receive(3), mq_send(3), mq_unlink(3), mq_overview(7)
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| 2017-09-15 | Linux |