posic多线程编程学习笔记整理，包含了线程的基础知识，多线程解决方法：信号灯，互斥量，条件变量，共享内存；内容详细-multi-threaded programming posic finishing study notes, including a basic knowledge of threads, multi-threaded solution: traffic lights, the volume of mutually exclusive condition variables, shared memory　detailed