On 08/18/2010 03:56 PM, Paolo Bonzini wrote:

> Also, the VM _is_ preemptive, despite the ill-named --enable-preemptive.
> Semaphores (which include Delay timeouts and I/O events) can and will
> preempt the running process.  It is just that the VM will not preempt a
> process just because it's been running for some time; that is, the VM is
> not time-sharing.

Well, it really depends on your definition of pre-emption. Calling a primitive
to trigger a context is something that I understand as cooperation... :)

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