Date: Tue, 4 Aug 2009 11:56:50 +0200 From: Ed Schouten <ed@80386.nl> To: Maslan <maslanbsd@gmail.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: sosend() and mbuf Message-ID: <20090804095650.GP1292@hoeg.nl> In-Reply-To: <319cceca0908040252w105d3dfdge9dec3c8b6d28607@mail.gmail.com> References: <319cceca0908030119i3432a495ya60aa431dab0e1b1@mail.gmail.com> <86k51k4kvl.fsf@ds4.des.no> <86fxc84ksj.fsf@ds4.des.no> <200908040138.14743.max@love2party.net> <319cceca0908040227hf9a0f92jbf05b11e9f974994@mail.gmail.com> <20090804093036.GN1292@hoeg.nl> <319cceca0908040239k2accd7fen402db4c91687a267@mail.gmail.com> <20090804094142.GO1292@hoeg.nl> <319cceca0908040252w105d3dfdge9dec3c8b6d28607@mail.gmail.com>
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--iFtobK8oO579scb0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable * Maslan <maslanbsd@gmail.com> wrote: > > Is it possible to call kern_open() from within a kernel thread anyway? > I think yes, It worked on the parent thread before creating a new kthread. > See OpenKETA source, its using the same approach. > > kern_open() depends on a file descriptor table, right? > Yes, it returns a fd in the curthread->td_retval[0], which i should > use within the same thread to deal with this file. Didn't someone (Jeff Roberson?) develop some nice in-kernel API for accessing files some years ago? Why not use that? --=20 Ed Schouten <ed@80386.nl> WWW: http://80386.nl/ --iFtobK8oO579scb0 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkp4BeIACgkQ52SDGA2eCwWragCfVTbU06SSmeNPwjzE696vL082 ALYAnicAMU9a8zM5yJIS19hsqxtieqel =IkLo -----END PGP SIGNATURE----- --iFtobK8oO579scb0--
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