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perl-File-NFSLock - Perl module to do NFS (or not) locking
- Description:
Program based of concept of hard linking of files being atomic across NFS.
This concept was mentioned in Mail::Box::Locker (which was originally
presented in Mail::Folder::Maildir). Some routine flow is taken from there
-- particularly the idea of creating a random local file, hard linking a
common file to the local file, and then checking the nlink status. Some
ideologies were not complete (uncache mechanism, shared locking) and some
coding was even incorrect (wrong stat index). File::NFSLock was written to
be light, generic, and fast.
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