https://svn.boost.org/trac10/ticket/12539 <blockquote> <p> Foo.exe!boost::system::error_code::category() Line 355 </p> </blockquote> <p> I produced this with a global io_service and calling poll_once in a loop inside a second win32 thread. The program runs for an indeterminate amount of time before one of the calls to the handler results in an access violation (see above). </p> <p> Is asio meant to work without c++11 suppport? </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/12539 Trac 1.4.3