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    SubjectRe: [PATCH] nextfd(2)
    On 04/06/2012 02:54 AM, Alexey Dobriyan wrote:
    >
    > Without proc knowledge about fdtable is gathered linearly and still unreliable.
    > With nextfd(2), even procful environments could lose several failure branches.
    > And they can keep old dumb fd++ or smart /proc/self/fd loops for a change.
    >

    Incidentally, if we were to create a system call for this -- which I so
    far see no reason for -- I would make it return a select-style bitmask
    of file descriptors in use, not a "next fd" which would require a system
    call per iteration.

    -hpa

    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



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