From: Abhinav Saxena <abhinav061@...>
Date: 2009-09-14T18:04:27+09:00
Subject: Re: Global Mutex?

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Thanks Brian. I have never used flock and in fact, didn't know that they ca=
n
handle this problem.

Thanks,
Abhinav
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http://twitter.com/abhinav



On Mon, Sep 14, 2009 at 2:22 PM, Brian Candler <b.candler@pobox.com> wrote:

> Abhinav Saxena wrote:
> > I used something like this using "ln -s" system command. Used to work
> > great,
> > so if you want a simple approach and implementation you can use it. One
> > catch: if the process which has the lock dies in between, you will have
> > to
> > ensure locks are properly released.
>
> Both versions I proposed don't suffer from this problem.
>
> - if you flock a file, the lock is dropped when the process owning it
> dies
>
> - if you synchronize using 'yield' within a DRb server, then if the
> client dies the TCP connection will be dropped and the block will
> terminate.
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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