Subject: Re: [boost] clang-3.6 thread sanitizer complains on shared_ptroperations
From: Peter Dimov (lists_at_[hidden])
Date: 2015-01-21 10:44:43
Andrey Semashev wrote:
> This is not specific to Boost.SmartPtr. Any library that implements
> atomics, including Boost.Atomic and std::atomic, will likely be present in
> TSan reports. The problem is that TSan does not fully support C++ memory
> ordering arguments.
In this specific case, it looks like TSan completely ignores the asm blocks
and doesn't see the memory accesses there at all, which is why it reports a
race between use_count() and the destructor, while these are separated by at
least two decrements of the count.
That's why it would be interesting to see what it has to say about the
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