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Date:      Wed, 3 Apr 2002 19:48:24 -0500 (EST)
From:      Ramkumar Chinchani <rc27@cse.Buffalo.EDU>
To:        "Tim J. Robbins" <tim@robbins.dropbear.id.au>
Cc:        <freebsd-hackers@FreeBSD.ORG>
Subject:   Re: Ptracing each other
Message-ID:  <Pine.SOL.4.30.0204031947100.18892-100000@tarantula.cse.Buffalo.EDU>
In-Reply-To: <20020404095514.A6743@treetop.robbins.dropbear.id.au>

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Can two processes track each other through the proc file system then?

I want a scenario where process P1 and P2 track each others execution.

Is this possible at all?

Thanks.

-Ram

==> Tim J. Robbins <tim@robbins.dropbear.id.au>/9:55am/Apr 4, 2002 <==

[On Wed, Apr 03, 2002 at 06:20:13PM -0500, Ramkumar Chinchani wrote:
[
[> What are the pitfalls in two processes ptracing each other?
[>
[> Are there possibilities of deadlocks?
[
[Yes.
[http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/29741
[Last time I checked, both -STABLE and -CURRENT are affected by this bug.
[
[
[Tim
[


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