Date: Wed, 8 Nov 1995 09:22:39 +0000 () From: Michael Smith <msmith@atrad.adelaide.edu.au> To: joerg_wunsch@uriah.heep.sax.de Cc: msmith@atrad.adelaide.edu.au, hackers@freebsd.org Subject: Re: ioctl() question... Message-ID: <199511080922.JAA06752@genesis.atrad.adelaide.edu.au> In-Reply-To: <199511080909.KAA17710@uriah.heep.sax.de> from "J Wunsch" at Nov 8, 95 10:09:28 am
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J Wunsch stands accused of saying: > > > > > A device-driver level question : > > Yup, but what's the question? Ah, sorry. The question was : is it faster/better/more traditional/sexier to - a) use the two-ioctl sequence _IOW(lots), IOR(int) or b) use a single ioctl _IOWR(lots) where bulk data is passed in, but only an int is coming back. > cheers, J"org I am reminded of the minix ioctl manpage 8) -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 041-122-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] My car has "demand start" -Terry Lambert UNIX: live FreeBSD or die! [[
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