android/guava/src/com/google/common/util/concurrent/Monitor.java
public void enterWhenUninterruptibly(Guard guard) {
    if (guard.monitor != this) {
      throw new IllegalMonitorStateException();
    }
    final ReentrantLock lock = this.lock;
    boolean signalBeforeWaiting = lock.isHeldByCurrentThread();
    lock.lock();

    boolean satisfied = false;
    try {
      if (!guard.isSatisfied()) {
        awaitUninterruptibly(guard, signalBeforeWaiting);
      }
      satisfied = true;
    } finally {
      if (!satisfied) {
        leave();
      }
    }
  }
public void enterWhenUninterruptibly(Guard guard) {
    if (guard.monitor != this) {
      throw new IllegalMonitorStateException();
    }
    final ReentrantLock lock = this.lock;
    boolean signalBeforeWaiting = lock.isHeldByCurrentThread();
    lock.lock();

    boolean satisfied = false;
    try {
      if (!guard.isSatisfied()) {
        awaitUninterruptibly(guard, signalBeforeWaiting);
      }
      satisfied = true;
    } finally {
      if (!satisfied) {
        leave();
      }
    }
  }
Enters this monitor when the guard is satisfied. Blocks indefinitely.