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    SubjectRe: [PATCH] kdesu broken
    Alan Cox <> writes:

    >> Just a quick hack though. Is this wrong/unpreferable way?
    >> n_tty_read() checks the pending buffer and consume it before
    >> input_available_p().
    > That won't change the fact that the process could have exited.


    > You can fix the -ENXIO reporting that way (and it is basically what
    > the EOFPENDING/EOF patch did), but the only way I can see to fix the
    > assumption that the process exit means all the data is in the ldisc
    > the other end ready to use is to actually to make the close() path
    > block - but with some kind of limits to prevent deadlocks.

    I thought, to check in n_tty_read() may guarantee that tty->buf (slave
    guarantee to sent to tty->buf) is consumed by master side.

    I hoped this tty->buf works as the pending data in ldisc.

    OGAWA Hirofumi <>

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      Last update: 2009-07-28 12:57    [W:0.021 / U:1.884 seconds]
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