linux-kernel - Re: Process id recycling and status of tasks

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Message-ID: <f22d86810910250349w6e1c93bai3447164cf700e657@mail.gmail.com>
Date:	Sun, 25 Oct 2009 16:19:10 +0530
From:	"Leonidas ." <leonidas137@...il.com>
To:	Clemens Ladisch <clemens@...isch.de>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Process id recycling and status of tasks

> The obvious question which follows from above is what would be the correct
> way to determine whether a process is alive or not using pid_alive()? Using
> pid_task() does not seem correct and seemingly correct way looks unfeasible.
>

I guess, just checking task_struct->exit_state will be okay to do,
right? If exit
state is DEAD then the task is stale, might avoid using the reference counting
counterparts, right?

-Leo.
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