3 ms·

There's a third use of PID 0, besides the already-mentioned "idle" and "self". On Linux, `getppid` returns 0 if the parent is a process in another PID namespac

by o11c 2y ago

There's a third use of PID 0, besides the already-mentioned "idle" and "self". On Linux, `getppid` returns 0 if the parent is a process in another PID namespace.