观察死锁产生的现象，考虑解决死锁问题的方法。从而进一步加深对于死锁问题的理解。解决死锁问题的几种算法的编程和调试技术。怎样构造管程和条件变量，利用管程机制来避免死锁和饥俄问题的发生。-Have observed the phenomenon of deadlock, consider solving the deadlock problem. So as to further deepen the understanding of the issues for the deadlock. Sev