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    SubjectRe: UDP recvmsg blocks after select(), 2.6 bug?
    On Wed, 6 Oct 2004, David S. Miller wrote:

    > On Wed, 6 Oct 2004 16:52:27 +0200 (CEST)
    > Joris van Rantwijk <joris@eljakim.nl> wrote:
    >
    >> My understanding of POSIX is limited, but it seems to me that a read call
    >> must never block after select just said that it's ok to read from the
    >> descriptor. So any such behaviour would be a kernel bug.
    >
    > There is no such guarentee.

    Huh? Then why would anybody use select()? It can't return a
    'guess" or it's broken. When select() or poll() claims that
    there are data available, there damn well better be data available
    or software becomes a crap-game. And, if you've decided that
    such a game-of-chance is okay then please keep your software
    out of the new Ethernet Avionics Buses that Airbus now is using.

    Cheers,
    Dick Johnson
    Penguin : Linux version 2.6.5-1.358-noreg on an i686 machine (5537.79 BogoMips).
    Note 96.31% of all statistics are fiction.

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