Why do three `python hp-systray` procs get started anyway. I guess each one tries a lock after the fork, instead of the parent locking before the fork, and probably someone expected that doesn't matter because they assumed the child processes would get around to locking the file after the parent made it to that point. So the parent needs the lock to succeed by validating the success of the file lock, but the children do not, and ignore lockfile failure. Except the kernel might hand the child procs to other cpus, and their execution could easily be faster, reaching the lock routine first.
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