Mysql源码学习笔记——偷窥线程(3)

  if (!(map=malloc(sizeof(*map))))

    DBUG_RETURN(-1);

  map->func=func;

  map->param=param;

  pthread_mutex_lock(&THR_LOCK_thread);

#ifdef __BORLANDC__

  hThread=(HANDLE)_beginthread((void(_USERENTRY *)(void *)) pthread_start,

                   attr->dwStackSize ? attr->dwStackSize :

                   65535, (void*) map);

#else

  hThread=(HANDLE)_beginthread((void( __cdecl *)(void *)) pthread_start,

                   attr->dwStackSize ? attr->dwStackSize :

                   65535, (void*) map);

#endif

  DBUG_PRINT("info", ("hThread=%lu",(long) hThread));

  *thread_id=map->pthreadself=hThread;