@Override
		public void threadFinished() {
			synchronized (m_threadEventCondition) {
				++m_numberFinished;

				if (isReadyToStart() || isFinished()) {
					m_threadEventCondition.notifyAll();
				}
			}
		}
The number of worker threads that have been created.
ngrinder-runtime/src/main/java/net/grinder/engine/process/GrinderProcess.java