timerfd deadlock

Ken Brown kbrown@cornell.edu
Tue Jun 11 13:18:00 GMT 2019

On 6/11/2019 4:52 AM, Corinna Vinschen wrote:
> On Jun  7 12:10, Ken Brown wrote:
>> While testing some new pipe code, I'm occasionally seeing a timerfd deadlock:
>> The main thread is stuck in timerfd_tracker::dtor at timerfd.cc:354, waiting for
>> the timerfd thread to close; and the timerfd thread is stuck at timerfd.cc:140,
>> waiting to acquire a mutex that's held by timerfd_tracker::dtor.
> Hmm, I had hoped my current code does not have a deadlock situation
> anymore, but I was wrong, apparently.
> Is there any chance to create an STC?

I'll try.


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