From: Warren Young Date: April 11 2008 11:22am Subject: Re: thread safe in red hat enterprise 5 List-Archive: http://lists.mysql.com/plusplus/7576 Message-Id: <47FF4A03.4020801@etr-usa.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Ie Siong Fat wrote: > Ok with the same result above from configure I try run the simple test > with mysql++ 3.0.1 using mysqlpp::Connection::thread_aware() and the result > is my system not thread safe. Can u explain Since you know MySQL++ itself is built with thread awareness, it means you're not linking to a thread-aware build of the MySQL C API library. Both have to be thread aware for thread safety to be achievable. Read this section in the user manual: http://tangentsoft.net/mysql++/doc/html/userman/threads.html