Linux kernel: Dumping a module’s content for regression check

After making a lot of whitespace reorganization in a kernel module (indentation, line breaks, fixing things reported by sparse and checkpatch), I wanted to make sure I didn’t really change anything. All edits were of the type that the compiler should be indifferent about, but how can I be sure I didn’t change anything accidentally? [...]

Posted Under: Linux,Linux kernel
This post was written by eli on October 29, 2020 Comments (0)

Perl + Linux: Properly cleaning up a forking script after it exits

Leave no leftover childred One of the really tricky things about a Perl script that forks this way or another, is how to make sure that the children vanish after the parent has exited. This is an issue both if the children were created with a fork() call, or with a safe pipe, as with [...]

Posted Under: Linux,perl
This post was written by eli on October 10, 2020 Comments (0)