Re: [patch 14/22] pollfs: pollable futex

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On 5/2/07, Davi Arnaut <[email protected]> wrote:
The usage cases of yours are quite different from mine. We don't use a
single file descriptor to to manage various resources. The worker threads
are _not going_ to have a file descriptor, _only_ the event dispatching
(poll)
thread.

An model which doesn't scale well.


A pollable futex is even more useful for _single_ threaded programs that
don't want to go into lengthy hacks to monitor events coming from the
outside
world.

There is nothing here that cannot be done with a more complete model
for event handling.  It's Linus decision whether he wants to add yet
more code, yet more possible problems, yet more maintenance
overhead/nightmare for an interim solution which isn't necessary,
which cannot solve all the problems, and which is not as scalable as
other proposed methods.

I can only say that I would be trickly against it.  It makes just no sense.
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