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Re: [PATCH] tail: fix a race condition

From: Giuseppe Scrivano
Subject: Re: [PATCH] tail: fix a race condition
Date: Tue, 13 Oct 2009 11:48:31 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux)

Hi Jim,

Jim Meyering <address@hidden> writes:

> I haven't reviewed this yet, but will do so today or tomorrow.
> I know triggering race conditions can be hard, but
> can you write a script that demonstrates the failure?
> This might be a good excuse to experiment with the
> now-usable-as-non-root system tap (stap) tool.
> It's fine for test scripts to rely on bleeding-edge
> technology -- just skip the test if the tool is not available;
> most developers will have it.

I didn't know about stap, I'll take a look at it asap.  I tried to write
a test but I didn't know how cause this condition.

> BTW, did you notice an actual failure, or did you spot this via inspection?

I found it via inspection.


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