From: Duy Nguyen <pclouds@gmail.com>
Date: Thu, 17 Mar 2016 13:02:55 GMT
Subject: Re: [PATCH 18/19] index-helper: autorun
Message-ID: <CACsJy8AsJKmsPm8Y1LRZdmyH60n3OT5X=42RGK5GXNBDfn8j8g@mail.gmail.com>
In-Reply-To: <alpine.DEB.2.20.1603161923380.4690@virtualbox>

On Thu, Mar 17, 2016 at 1:27 AM, Johannes Schindelin
<Johannes.Schindelin@gmx.de> wrote:
> I am much more concerned about concurrent accesses and the communication
> between the Git processes and the index-helper. Writing to the .pid file
> sounds very fragile to me, in particular when multiple processes can poke
> the index-helper in succession and some readers are unaware that the index
> is being refreshed.

It's not that bad. We should have protection in place to deal with
this and fall back to reading directly from file when things get
suspicious. But I agree that sending UNIX signals (or PostMessage) is
not really good communication.
-- 
Duy