Путеводитель по Руководству Linux

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   mq_overview    ( 7 )

обзор очередей сообщений POSIX (overview of POSIX message queues)

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Примечание (Note)

System V message queues (msgget(2), msgsnd(2), msgrcv(2), etc.) are an older API for exchanging messages between processes. POSIX message queues provide a better designed interface than System V message queues; on the other hand POSIX message queues are less widely available (especially on older systems) than System V message queues.

Linux does not currently (2.6.26) support the use of access control lists (ACLs) for POSIX message queues.