On Sunday, February 9, 2014 1:00:39 PM UTC+2, Skip Montanaro wrote: > > Which one is most recommended to use for mutex alike locking to > > achieve atomic access to single resource: > > > > - fcntl.lockf > > - os.open() with O_SHLOCK and O_EXLOCK > > - https://pypi.python.org/pypi/lockfile/0.9.1 > > - https://pypi.python.org/pypi/zc.lockfile/1.1.0 > > - any other ? > > As the author of lockfile, I can tell you it only implements advisory > locking. All programs needing to access the locked resources must > cooperate. It also has bugs which have been reported which I have yet > to spend any time fixing. > Beyond that, your question isn't really detailed enough to answer > completely. You don't identify what sort of systems you need this to > work on (Windows, Mac, various flavors of Unix?), whether programs > written in other languages will be involved (you did say "system > wide"), and whether you need to use it in the face of network file > systems like NFS or Samba. > Skip
Hi Yes i realized that missed info. The lock is needed for 2 independently spawned processes to update set of files and non non thread safe db /Asaf -- https://mail.python.org/mailman/listinfo/python-list
