Developers of Sympa

[Guillaume Rousse <address@concealed>]

Le 04/08/2013 18:11, IKEDA Soji a écrit :
> Hi,
>
> Though direct use of File::NFSLock is possible, I wrote a small
> module wrapping it.  Some notes:
>
> o The feature File::NFSLock argues support for NFS is anticipating
>    cache of filesystem.  It may make lock processing a bit less
>    efficient on local filesystems.
>
> o Current Sympa::Lock takes care of upgrading "read" locking to
>    "write" one (shared to exclusive), but it seems not to be used.
>    So my module doesn't implement it.
>
> o Sympa::Lock::lock() is non-blocking, namely, it won't wait
>    competing lock and fails immediately.  This module follows this
>    feature, but it can be discussed.
That's easy to wrap a non-blocking function to make it blocking, that's 
easier to do the opposite direction, so I prefer this way.

There is a primitive t/lock.t test suite I used when refactoring 
Sympa::Lock, feel free to adapt it to test your new implementation.
--
Guillaume Rousse
INRIA, Direction des systèmes d'information
Domaine de Voluceau
Rocquencourt - BP 105
78153 Le Chesnay
Tel: 01 39 63 58 31

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