Messages in this thread | | | From | (Alan Cox) | Subject | Re: Thread implementations... | Date | Mon, 22 Jun 1998 00:09:11 +0100 (BST) |
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> > This involves kernel bloat. It seems to me that there is such a simple > > userspace solution, so why bother hacking the kernel? > > I don't think the userspace solution is as fast as the event queue > solution.
I think thats pretty obvious. Select() is an event queue mechanism which does a setup for each select(). Asynchronous I/O has some similar properties (clone, I/O , signal) but is only per handle. A pure event queue model does one setup per handle only per handle that matters and not per event setups. You just get the queue overheads
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