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Subject: Re: [boost] [thread] Address sanitizer failures on marshall-mac
From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2014-03-08 13:34:32

On 8 Mar 2014 at 18:29, Jonathan Wakely wrote:

> The new version is present in both Clang and GCC, and if you use those
> compilers' built-in atomic operations (either the older __sync_xxxx or
> newer __atomic_xxx intrinsics) then tsan should understand them and
> need no instrumentation.

Can tsan understand when an atomic is being used for serialisation? I
can see a CAS lock being heuristically determined, but some of the
fancier semaphore based techniques surely need some explicit markup.


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