void
mysql_thread_end(void)
          Call this function as necessary before calling
          pthread_exit() to free memory allocated by
          mysql_thread_init():
        
- For release/production builds without debugging support enabled, - mysql_thread_end()need not be called.
- For debug builds, - mysql_thread_init()allocates debugging information for the DBUG package (see The DBUG Package).- mysql_thread_end()must be called for each- mysql_thread_init()call to avoid a memory leak.
          mysql_thread_end() 
          is not invoked automatically by the client library.