[openib-general] Re: userspace event reporting

[Michael S. Tsirkin]

Quoting r. Sean Hefty <sean.hefty at intel.com>:
> Subject: RE: userspace event reporting
> 
> >Are we talking about multithreaded app?
> 
> Correct.  The app is trying to get events while needing to destroy a
> cm_id (or other object) at the same time.
> 
> >So this is purely userspace issue - cant userspace just take some
> >mutex in get_event and destroy paths?
> 
> I believe that this is purely a userspace issue.  I can't see why
> using a mutex wouldn't work, but I believe that get_event() currently
> blocks waiting for an event.
> 
> Note that get_event() may be reporting events associated with an
> object other than the one being destroyed.
> 
> - Sean
> 

Maybe, create a special kind of event after the object has been destroyed?


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MST