Introduction to D-Bus | Search for a title, author or keyword | ||||||||
Introduction to D-Bus D-Bus is a free/open source inter-process communication (IPC) mechanism that is part of the freedesktop.org project. The term “IPC” can be used to describe methods of getting information from one process to another. This includes exchanging data, calling methods and listening to events. D-Bus provides multiple message “buses” for applications to use in communicating with each other. Each bus provides its own connection facilities, which allow for the separation of different categories of messages: messages sent on one bus can not be accessed from another bus, but applications connected to the same bus may all communicate with each other. Multiple applications can be connected to any given bus at any given time, and an application can be connected to multiple buses simultaneously. This allows different security policies to be applied to different buses while also allowing for the efficient sharing of both global and local messages.
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