Singleton process

Fortepianissimo fortepianissimo at
Mon Dec 22 06:38:49 CET 2003

Here is the situation: I have multiple processes of same Python script
fired, but I want *only one* of them to continue and all the others to
quit immediately.

I can use a lock file, and the first process will get the necessary
lock. But if I do open(lockfile) all the other subsequent processes
will just wait there - instead I want them to quit immediately.

Can someone give a simple outline of how to achieve this? Thanks a

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