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发表于 2009-9-11 14:37:06
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对照过原文,才知道他们的翻译真是@#$%!,完全误导读者
7.4.2.2. Udev Bootscript
The S10udev initscript takes care of creating device nodes when Linux is booted. The script unsets the uevent handler from the default of /sbin/hotplug. This is done because the kernel no longer needs to call out to an external binary. Instead udevd will listen on a netlink socket for uevents that the kernel raises. Next, the bootscript copies any static device nodes that exist in /lib/udev/devices to /dev. This is necessary because some devices, directories, and symlinks are needed before the dynamic device handling processes are available during the early stages of booting a system, or are required by udevd itself. Creating static device nodes in /lib/udev/devices also provides an easy workaround for devices that are not supported by the dynamic device handling infrastructure. The bootscript then starts the Udev daemon, udevd, which will act on any uevents it receives. Finally, the bootscript forces the kernel to replay uevents for any devices that have already been registered and then waits for udevd to handle them. |
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