linux-kernel - Re: [PATCH 7/8] taskstats: fix stats->ac_exitcode to work on threads and use group_exit

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Message-ID: <20070926225538.1dbbe42e@localhost.localdomain>
Date:	Wed, 26 Sep 2007 22:55:38 +0200
From:	Guillaume Chazarain <guichaz@...oo.fr>
To:	roel <12o3l@...cali.nl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 7/8] taskstats: fix stats->ac_exitcode to work on
 threads and use group_exit_code

Le Wed, 26 Sep 2007 22:47:54 +0200,
roel <12o3l@...cali.nl> a écrit :

> > +	if (thread_group_leader(tsk) && ((tsk->flags & PF_FORKNOEXEC)))
> 
> 	if (thread_group_leader(tsk) && (tsk->flags & PF_FORKNOEXEC))

Yeah, right, good catch.

> > +	group_exit_code = tg_stats ? tsk->signal->group_exit_code : 0;
> > +	stats->ac_exitcode = group_exit_code ? : tsk->exit_code;
> 
> Isn't this just confusing? why not
> 
> 	if (tg_stats) {
> 		group_exit_code = tsk->signal->group_exit_code;
> 		stats->ac_exitcode = group_exit_code;

Because in this case if group_exit_code is null, we want
tsk->exit_code, not 0.

> 		
> 	} else {
> 		group_exit_code = 0;
> 		stats->ac_exitcode = tsk->exit_code;
> 	}

Andrew is not interested at the moment in this series (that replaces
all my previous patches on taskstats, for info), but thank you for the
review.


-- 
Guillaume
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