Unix VM file locking?

Lukas Renggli renggli at gmail.com
Mon Jan 28 08:25:33 UTC 2008

Hi Andreas,

in 2005 at my work at netstyle.ch I wrote a plugin for the Unix and
Mac VM that directly accesses the Posix system level file functions.
It avoids all the bugs in the standard Squeak file-handling and allows
to reliably lock files on a per VM bases.

The package consists of the VM plugin, a file-accessor class and some
tests. It also consists of an OmniBase compatible stream class
(OmniBase has a different Stream hierarchy than Squeak) that tries to
emulate in-image file-locking, but as far as I remember this never
reliably worked.


Lukas Renggli
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