Thread Checker shows write data race for STL allocator

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Thread Checker shows write data race for STL allocator

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STLPort is known to be thread safe for doing allocations. But I see Thread checker flagging
write data race in _alloc.c Line 168.
I do see a mutex lock in the method.

I could not extract the stack trace to post it here.
There is a post about that too.

Has anyone investigated STL's thread safety specifically STLPort(4.5 version)
Thanx
Krishnan

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