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Re: Critical section
Masao Uebayashi <uebayasi%gmail.com@localhost> wrote:
> On Thu, Nov 27, 2014 at 1:38 AM, Matt Thomas <matt%3am-software.com@localhost>
> > That is not true. If the softint thread sleeps, control is returned
> > back to the preempted lwp.
> You're right. I keep forgetting how softint works. Sigh.
> (Calling "interrupted" threads as "preempted" threads is confusing.
> It's a pity that these are called differently (l_switchto, pinned,
Well, the term "interrupt" itself generally implies resuming to the
original activity. :) Having software interrupts to switch away would
arguably erase this technically small but conceptually significant
difference between "interrupt" and "preemption".
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