From: "Theodore Ts'o" <tytso@mit.edu>
To: Dave Goel <deego3@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Linux] Linux PID algorithm is BRAINDEAD!
Date: Mon, 12 Oct 2015 14:12:44 -0400 [thread overview]
Message-ID: <20151012181244.GA22589@thunk.org> (raw)
In-Reply-To: <CAOCW0DhWKeOh75BGQtMAif7WVZAs5JXw=vgu99sm3egrimTE4g@mail.gmail.com>
On Mon, Oct 12, 2015 at 01:49:59PM -0400, Dave Goel wrote:
>
> OTOH, I guess if one has to write cleaner/other meta scripts without
> proper traps, the cleaner can simply check if linux's PID counter
> is too close to the current PID, and if so, refrain from drastic
> actions. For the latter, I wonder if there's a way to
> get "current PID counter."
How about:
current_pid = fork();
if (current_pid == 0)
exit(0);
(void) waitpid(current_pid);
Translating this to perl or python shouldn't be that difficult.
- Ted
prev parent reply other threads:[~2015-10-12 18:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-10 2:00 [Linux] Linux PID algorithm is BRAINDEAD! Dave Goel
2015-10-10 3:20 ` yalin wang
2015-10-10 21:58 ` Theodore Ts'o
2015-10-11 3:51 ` Dave Goel
2015-10-11 17:44 ` Dave Goel
2015-10-12 15:04 ` Theodore Ts'o
2015-10-12 17:49 ` Dave Goel
2015-10-12 18:12 ` Theodore Ts'o [this message]
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