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From: Christopher Kohlhoff (chris_at_[hidden])
Date: 2006-05-08 09:12:46

Olaf van der Spek <olafvdspek_at_[hidden]> wrote:
> Yes, but doesn't that apply to recv/send too? I thought that
> was what the demuxer/servide was for.

On windows, send and recv use overlapped I/O. The
io_service::run() function waits on GetQueuedCompletionStatus()
so that it gets the result of these asynchronous operations
directly. What I mean is that asynchronous connect operations
currently require an additional background thread to wait on
select(). Using ConnectEx will remove this need.


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