/guava/guava/src/com/google/common/util/concurrent/MoreExecutors.java
if ( runningTasks == 0) { shutdown = true;
shutdown = true; if ( runningTasks == 0 ) {
return shutdown; } } @Override public void shutdown() { synchronized (lock) { <extra_id_0> lock.notifyAll(); } } } @Override public List<Runnable> shutdownNow() {