June 2017
Intermediate to advanced
478 pages
13h 14m
English
Content preview from Mastering Embedded Linux Programming - Second Edition
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Buildroot init scripts
Buildroot has been making effective use of the BusyBox init for many years. Buildroot has two scripts in /etc/init.d/ named rcS and rcK. The first one runs at boot up and iterates over all the scripts in /etc/init.d/ with names that begin with a capital S followed by two digits, and runs them in numerical order. These are the start scripts. The rcK script is run at shutdown and iterates over all the scripts beginning with a capital K followed by two digits, and runs them in numerical order. These are the kill scripts.
With this in place, it becomes easy for Buildroot packages to supply their own start and kill scripts, using the two digit number to impose the order in which they should be run, and so the system becomes ...
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