In article <87iqlwvemo....@benfinney.id.au>, Ben Finney <bignose+hates-s...@benfinney.id.au> wrote: > >In the case of the âlockfileâ library, Skip is aiming for a >cross-platform solution, with atomic behaviour; he has implemented >lock acquisition with a âlinkâ operation on Unix, and a âmkdirâ >operation on Windows. > >But both of those, of course, create a new file. What I want is to >lock an existing file. Is âlockfâ particularly prone to cross-platform >troubles on Unix variants? (Since the âbecome a daemonâ pattern >makes no sense on anything but Unix, I'm only concerned with PID file >behaviour that works on Unix.)
IIUC, you must use something like Skip's trick to work correctly with NFS. -- Aahz (a...@pythoncraft.com) <*> http://www.pythoncraft.com/ "At Resolver we've found it useful to short-circuit any doubt and just refer to comments in code as 'lies'. :-)" --Michael Foord paraphrases Christian Muirhead on python-dev, 2009-3-22
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