Function thread_exception

extern/boost/boost/thread/exceptions.hpp:46–48

        {}

        thread_exception(int sys_error_code)
          : base_type(sys_error_code, system::generic_category())
        {}

        thread_exception( int ev, const char * what_arg )
        : base_type(system::error_code(ev, system::generic_category()), what_arg)