主线程等待多个子线程结束

//主线程定义

public CountDownLatch m_threadSignal;

 

//主线程初始化

 m_threadSignal = new CountDownLatch(10);

 

//主线程等待
// wait for all started threads (rendevouz)
try {
m_threadSignal.await();

} catch (InterruptedException e) {
LOG.error("can't wait for threads", e);
}

 

//子线程中将总线程数减一

m_threadSignal.countDown();