Linux下操作系统的基本知识，在多线程处理中通过信号量进行互斥处理。-Basic knowledge of the Linux operating system under multithreading semaphore mutex.

linux多线程源程序代码，已通过编译，如有需要可以下来看看，绝对经典，欢迎大家参考。-linux multithreading source code, has compiled, if necessary you can look down, an absolute classic, we welcome the reference.

linux下多线程网络编程，实现arm9视频采集和网络发送jpeg数据，使用udp协议，自己写的，搞了好几天！linux下的多线程比较复杂易出错。--linux network under the multi-threaded programming, video capture and arm9 send jpeg data network, using udp protocol, wrote it myself, out for a few days! Multithreading unde