Add a limited-time wait method to Condvar #17094
Description
For example, in Java: http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html#wait(long), or in pthreads: http://pubs.opengroup.org/onlinepubs/009695399/functions/pthread_cond_timedwait.html