Screens
Screens* screens = Screens::Default();
AutoLocker<Screens> locker(screens);
Screens* screens = Screens::Default();
AutoLocker<Screens> locker(screens);
Screens* screens = Screens::Default();
AutoLocker<Screens> locker(screens);
Screens()
static Screens* Default()
sDefaultInstance = new Screens;
static Screens* sDefaultInstance;
pthread_once_t Screens::sDefaultInitOnce = PTHREAD_ONCE_INIT;
Screens* Screens::sDefaultInstance = NULL;