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