On Mon, Nov 07, 2005 at 09:13:19PM -0800, Can Sar wrote:
> Do the other threads (particularly the user thread) ever
> do something else that would be important?
The user thread doesn't. The IO thread does, if you wish to do IO.
And you can easily dispense with the sigio emulation thread.
> Furthermore is the actual kernel process multi threaded?
It does what amounts to user-level threads - i.e. there are multiple
execution contexts in it, implemented with setjmp/longjmp, but that's
not visible from the outside.
Jeff
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