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26 .TH MQ_CLOSE 3 2017-09-15 "Linux" "Linux Programmer's Manual"
28 mq_close \- close a message queue descriptor
31 .B #include <mqueue.h>
33 .BI "int mq_close(mqd_t " mqdes );
36 Link with \fI\-lrt\fP.
39 closes the message queue descriptor
42 If the calling process has attached a notification request (see
44 to this message queue via
46 then this request is removed,
47 and another process can now attach a notification request.
51 returns 0; on error, \-1 is returned, with
53 set to indicate the error.
57 The message queue descriptor specified in
61 For an explanation of the terms used in this section, see
67 Interface Attribute Value
70 T} Thread safety MT-Safe
73 POSIX.1-2001, POSIX.1-2008.
75 All open message queues are automatically closed on process termination,