并行计算课程实验，多线程计算π，采用了加锁法以及数组暂存解决数据同步问题。-Experimental parallel computing course, multi-threaded computing π, using an array of temporary lock method and solve the data synchronization.

使用全局变量同步线程的简单例子，是多核编程书上的一个例子，欢迎查看-The use of global variables of a simple example of thread synchronization, multi-core programming is an example of the book, please see

解决多个售票员售票，把一张票售给多个乘客的问题，采用多线程同步与互斥解决。-Solve multiple conductor ticket sales, the number of passengers a ticket sold to the problem of multi-thread synchronization and mutual exclusion solution.