закрыть очередь сообщений (РЕАЛЬНОЕ ВРЕМЯ) (close a message queue (REALTIME))
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
mq_close — close a message queue (REALTIME
)
Синопсис (Synopsis)
#include <mqueue.h>
int mq_close(mqd_t mqdes);
Описание (Description)
The mq_close() function shall remove the association between the
message queue descriptor, mqdes, and its message queue. The
results of using this message queue descriptor after successful
return from this mq_close(), and until the return of this message
queue descriptor from a subsequent mq_open(), are undefined.
If the process has successfully attached a notification request
to the message queue via this mqdes, this attachment shall be
removed, and the message queue is available for another process
to attach for notification.
Возвращаемое значение (Return value)
Upon successful completion, the mq_close() function shall return
a value of zero; otherwise, the function shall return a value of
-1 and set errno to indicate the error.
Ошибки (Error)
The mq_close() function shall fail if:
EBADF
The mqdes argument is not a valid message queue
descriptor.
The following sections are informative.
Примеры (Examples)
None.
Использование в приложениях (Application usage)
None.
Обоснование (Rationale)
None.
Будущие направления (Future directions)
None.
Смотри также (See also)
mq_open(3p), mq_unlink(3p), msgctl(3p), msgget(3p), msgrcv(3p),
msgsnd(3p)
The Base Definitions volume of POSIX.1‐2017, mqueue.h(0p)