linux-kernel - Re: [PATCH 3/3] docs, parallelism: Rearrange how jobserver reservations are made

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Message-ID: <201911211151.45A9C4F5F6@keescook>
Date:   Thu, 21 Nov 2019 11:52:17 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:     Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] docs, parallelism: Rearrange how jobserver
 reservations are made

On Thu, Nov 21, 2019 at 11:39:03AM -0800, Kees Cook wrote:
> On Thu, Nov 21, 2019 at 09:09:37AM +0100, Rasmus Villemoes wrote:
> > Similarly (and the harder problem), what happens when our parent wants
> > to send its child a signal to say "stop what you're doing, return the
> > tokens, brush your teeth and go to bed". We should forward that signal
> > to the real job instead of just dying, losing track of both the tokens
> > we've claimed as well as orphaning the child.
> 
> Hm, hm. I guess I could pass INT and TERM to the child. That seems like
> the most sensible best-effort here. It seems "make" isn't only looking
> at the slots to determine process management.

Actually, this doesn't seem to work at all. Interruption already behaves
correctly. I'm going to ignore this for now...

-- 
Kees Cook