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SubjectRe: proc fs and shared pids
> And /proc is not the only problem!  What about kill()?  waitpid()?
> It's NICE to be able to identify a process by just knowing its pid;
> are there any real uses for two processes having the same pid?

CLONE_PID was put in for kernel use when forking multiple process 0's for
SMP idlers (one per CPU). Im not sure its useful in luserspace

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