Critical Bug in Function Library

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December 19, 2007 - Critical Bug in Function Library
Boost.Function in Boost 1.34.x has a bug that affects the construction of Boost.Function objects in a multi-threaded context. The problem has been fixed in the Boost trunk and for the upcoming Boost 1.35.x. To patch your Boost 1.34.x, copy the files function_base.hpp and function_template.hpp into the Boost directory boost/function.

http://www.boost.org/#news

Boost.Threadはboost::function0<void>を使ってるのでマズいですねぇ。