Messages in this thread | | | Subject | Re: [RFC PATCH 00/11] sched: CFS low-latency features | From | Peter Zijlstra <> | Date | Fri, 27 Aug 2010 09:37:35 +0200 |
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On Thu, 2010-08-26 at 19:09 -0400, Mathieu Desnoyers wrote: > > WTF can't the damned delivery thread not be created when timer_create > > is called and the signal be delivered to that very thread directly via > > SIGEV_THREAD_ID ? > > Yeah, that sounds exactly like what I proposed about an hour ago on IRC ;) I'm > pretty sure that would work. > > The only thing we might have to be careful about is what happens if the timer > re-fires before the thread completes its execution. We might want to let the > signal handler detect these overruns somehow.
Simply don't use SIGEV_THREAD and spawn you own thread and use SIGEV_THREAD_ID yourself, the programmer knows the semantics and knows if he cares about overlapping timers etc.
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