On 10/27/2012 07:33 AM, Mr. Left wrote:
> Hi, all
> I am reading the source code of mysql 5.6.6-m9, and i found the code below in
> /* Clear mutex so that safe_mutex will notice that it's not initialized */
> memset(&info->append_buffer_lock, 0, sizeof(info));
> I want to know why use sizeof(info) instead of sizeof(info->append_buffer_lock) ?
Good question :-)
It certainly looks like a bug.
Thanks for making us aware of this issue!
I've reported it as http://bugs.mysql.com/bug.php?id=67437
--- Jon Olav Hauglid, Principal Software Engineer MySQL, Oracle.