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From: John Baldwin <jhb@freebsd.org>
To: "Dag-Erling =?utf-8?q?Sm=C3=B8rgrav?=" <des@des.no>
Date: Tue, 5 Jun 2012 10:08:29 -0400
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Cc: Gianni <gianni@freebsd.org>, Alan Cox <alc@rice.edu>,
	Alexander Kabaev <kan@freebsd.org>, Attilio Rao <attilio@freebsd.org>,
	Konstantin Belousov <kib@freebsd.org>, freebsd-arch@freebsd.org,
	Konstantin Belousov <kostikbel@gmail.com>
Subject: Re: Fwd: [RFC] Kernel shared variables
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On Tuesday, June 05, 2012 9:07:08 am Dag-Erling Sm=C3=B8rgrav wrote:
> John Baldwin <jhb@freebsd.org> writes:
> > I think this is an important question actually.  Is there anything
> > that really needs to be here besides gettimeofday()?  I mean, is there
> > any real-world application that needs to call getpid() or getppid() a
> > bunch of times?
>=20
> Yes, for fork detection when accessing resources shared between
> descendants of the process that allocated them.

So you call getpid() on each access to a shared resource?

=2D-=20
John Baldwin