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Date:      Wed, 12 Jul 2006 13:35:16 +0200
From:      Joerg Sonnenberger <joerg@britannica.bec.de>
To:        freebsd-hackers@freebsd.org
Subject:   Re: kern/99979: Get Ready for Kernel Module in C++
Message-ID:  <20060712113516.GC2162@britannica.bec.de>
In-Reply-To: <3bbf2fe10607111437h6547432fn2887348708df29a4@mail.gmail.com>
References:  <44B2D2DF.2000401@sh.cvut.cz> <86sll8zl9x.fsf@xps.des.no> <courier.44B35DBC.00003F75@intron.ac> <86fyh8zgw8.fsf@xps.des.no> <courier.44B37714.00004B4D@intron.ac> <868xn0z8w9.fsf@xps.des.no> <courier.44B3B9A0.0000609C@intron.ac> <20060711152949.GB1463@merlin.emma.line.org> <1152642474.29859@origin.intron.ac> <3bbf2fe10607111437h6547432fn2887348708df29a4@mail.gmail.com>

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On Tue, Jul 11, 2006 at 11:37:52PM +0200, Attilio Rao wrote:
> Even if I have no proof-of-concepts (so maybe somebody can show that
> this is not fair), if we have setjmp/longjmp in the kernel we can have
> a correct exception handling mechanism without not great problems.

ROFL. Sorry, but using setjmp/longjmp is one of the worst possible
implementation of exceptions since it is very expensive for the hot
path, where you don't expect exceptions. They are called "exception" for
a reason.

Joerg



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