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- Purpose of rules file:
- Sends all uevents to a Unix-domain socket, where they can be monitored by other
- programs.
- Description of rules:
- There is only one rule, which matches all uevents. It uses Udev's RUN key to
- specify a socket to send each uevent to. Normally RUN is used to start up a
- process, but if the pathname starts with "socket:", Udev instead interprets
- the rest of the name as a Unix-domain socket to send the uevent to. In this
- case, we send send the uevent to the socket named /org/kernel/udev/monitor,
- which is created by the udevmonitor program. Udevmonitor is used to watch
- uevents as they come to Udev. Its only purpose is for debugging, but sending
- the uevent to a socket that doesn't exist is a very cheap operation, so we
- enable this rule for all uevents.
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