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    SubjectRe: Kernel patches enabling better POSIX AIO (Was Re: [3/4] kevent: AIO, aio_sendfile)
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    On Sat, 2006-08-12 at 15:28 -0400, Jakub Jelinek wrote:
    > On Sat, Aug 12, 2006 at 12:10:35PM -0700, Ulrich Drepper wrote:
    > > > I am wondering about that too. IIRC, the IO_NOTIFY_* constants are not
    > > > part of the ABI, but only internal to the kernel implementation. I think
    > > > Zach had suggested inferring THREAD_ID notification if the pid specified
    > > > is not zero. But, I don't see why ->sigev_notify couldn't used directly
    > > > (just like the POSIX timers code does) thus doing away with the
    > > > new constants altogether. Sebestian/Laurent, do you recall?
    > >
    > > I suggest to model the implementation after the timer code which does
    > > exactly what we need.
    >
    > Yeah, and if at all possible we want to use just one helper thread for
    > SIGEV_THREAD notification of timers/aio/etc., so it really should behave the
    > same as timer thread notification.
    >

    That's exactly what is done in libposix-aio.

    Sébastien.

    --
    -----------------------------------------------------

    Sébastien Dugué BULL/FREC:B1-247
    phone: (+33) 476 29 77 70 Bullcom: 229-7770

    mailto:sebastien.dugue@bull.net

    Linux POSIX AIO: http://www.bullopensource.org/posix
    http://sourceforge.net/projects/paiol

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