Date: Sun, 16 Jul 2006 06:21:27 +1000 From: Peter Jeremy <peterjeremy@optushome.com.au> To: "Kamal R. Prasad" <kamalp@acm.org> Cc: freebsd-hackers@freebsd.org Subject: Re: kern/99979: Get Ready for Kernel Module in C++ Message-ID: <20060715202126.GA741@turion.vk2pj.dyndns.org> In-Reply-To: <ac7deb50607122246k7df45813hf9cb34e1f8269c77@mail.gmail.com> References: <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> <20060712113516.GC2162@britannica.bec.de> <ac7deb50607120603t6607ff97j4f5cf1749b6e426b@mail.gmail.com> <20060712132059.GA3906@britannica.bec.de> <ac7deb50607122246k7df45813hf9cb34e1f8269c77@mail.gmail.com>
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--ZGiS0Q5IWpPtfppv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, 2006-Jul-13 11:16:18 +0530, Kamal R. Prasad wrote: >Im sorry I didn't understand you. setjmp() stores a few register contents This varies with the CPU - from 48 bytes (i386 and sparc64) to 656 bytes (alpha). In addition, setjmp() stores the signal mask - and accessing this requires a system call - which is comparatively expensive. --=20 Peter Jeremy --ZGiS0Q5IWpPtfppv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (FreeBSD) iD8DBQFEuU5F/opHv/APuIcRAuWhAJ9vDKiab2w1WaK5GM/61Yv1HC8c9ACfQ0Tw JnkER/YAnBmiGUXG/TA/EjA= =QoVu -----END PGP SIGNATURE----- --ZGiS0Q5IWpPtfppv--
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