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    SubjectRe: PROPOSAL: extend pipe() to support NULL argument.
    On Thu, Jul 2, 2009 at 5:46 PM, Amerigo Wang<> wrote:
    >>Are you familiar with splice() and tee()? They both use pipes as kernel buffers.
    > You are not answering the question, obviously.
    When you use pipes as kernel buffer handlers, two fd isn't necessary.
    Using one will save half of fd resources. Is it obviously?

    > And you snipped too much, how can you return that fd? Using the return value?
    one RW file descriptor is returned. I have answered this in the first post.

    > Ah! This will probably break the user-space program...
    I don't think so. As a skillful programmer, who will trasfter pipe() a
    NULL pointer? In any way, it is break sth, but not very seriously, and
    won't affact any right and robust program.

    Changli Gao(

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