x SuSE Linux 13.1-RELEASE x x SuSE Linux 13.1-RELEASEx mq_close(3) Library Functions Manual mq_close(3) NAME mq_close - close a message queue descriptor LIBRARY Real-time library (librt, -lrt) SYNOPSIS #include <mqueue.h> int mq_close(mqd_t mqdes); DESCRIPTION mq_close() closes the message queue descriptor mqdes. If the calling process has attached a notification request (see mq_no- tify(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 at- tributes(7). +--------------------------------------------+---------------+---------+ |Interface | Attribute | Value | +--------------------------------------------+---------------+---------+ |mq_close() | Thread safety | MT-Safe | +--------------------------------------------+---------------+---------+ STANDARDS POSIX.1-2008. HISTORY POSIX.1-2001. NOTES All open message queues are automatically closed on process termina- tion, 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) Linux man-pages 6.04 2023-03-30 mq_close(3)
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