Re: [PARPORT] ppdev hangs on read

From: stef (
Date: Wed Oct 23 2002 - 01:16:10 EDT

  • Next message: stef: "Re: [PARPORT] ppdev hangs on read"

    On Tue, Oct 22, 2002 at 09:38:49PM +0100, Tim Waugh wrote:
    > On Tue, Oct 22, 2002 at 09:24:51PM +0100, Ryan Harkin wrote:
    > > I have tried that and it seems to (partially) work!
    > Then it's some ppdev bug. You ought to get -EAGAIN over and over
    > again. I'll take another look at the read loop, but I still don't see
    > the bug..
    > > So where do we go from here? Non Blocking sort of works, but the
    > > Umax backend to Sane isn't written to use it properly.
    > It shouldn't need to. Blocking reads ought to continue to work, as
    > before.
    > Tim.
    > */

            The are also a few lines changed in parport_pc.c regard non blocking read
    changes. Would it be an interesting test to back out these changes, or will this
    fail due changes in timeout handling ?


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