Date: Thu, 20 Nov 1997 11:41:25 -0800 (PST) From: "Jamil J. Weatherbee" <jamil@trojanhorse.ml.org> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: hackers@freebsd.org Subject: Re: vnode.h and IO_NDELAY (help!!) Message-ID: <Pine.BSF.3.96.971120113458.1864C-100000@trojanhorse.ml.org> In-Reply-To: <19971120090611.FW37911@uriah.heep.sax.de>
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> Also, don't forget that you need to allow the FIONBIO ioctl command. Ok, sorry, I see what you are doing now. Your just hashing out the read function returning ERESTART and instead returing EINTR, since you have no way of restarting. I have done that also (it made sense). But about the FIONBIO call, I don't see what you are saying. Why would I need to support that, I thought that that would be intercepted at the vnode level? I see it defined in filio.h. By the way, how are you supposed to pick ioctl groups. I am currently using 'A', but i see 'D' being used also. Is there a list of which letter you should use. I assume lowercase are reserved for the system and you should always use uppercase in new drivers?
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