Re: [boost] shared_mutex deadlocks?

From: Giovanni Piero Deretta (gpderetta_at_[hidden])
Date: 2008-04-21 09:09:40

On Mon, Apr 21, 2008 at 2:51 PM, Peter Dimov <pdimov_at_[hidden]> wrote:
> >> How often, on what platform?
>  >
>  > Every time, on a dual core Pentium D running XP64. The program is compiled
>  > as 32 bit with MSVC 7.1. It looks like a livelock rather than a deadlock,
>  > since the program keeps spinning its wheels at 100% but never completes.
>  > The writer thread is probably either blocked or starved. This happens on
>  > another (quad core) machine too for which I don't know the specs at the
>  > moment.
>
>  The other box is XP32 w/ Q6600.
>
>  Another interesting tidbit is that if I move the focus from the cmd window
>  in which the test is running, it completes. Go figure.
>

Priority inversion? I think that Windows boosts the priority of
threads (I thought whole processes actually) which
have a focused window.

-- 
gpd