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linux多线程同步的方法 在线程对共享相同内存操作时，就会出现多个线程对同一资源的使用，为此，需要对这些线程进行同步，以确保它们在访问共享内存的时候不会访问到无效的数值。(linux multi-thread synchronization Threads share the same memory operation, there will be multiple threads use the same resources to do this, you need to synchronize these threads to ensure that when they access the shared memory does not have access to an invalid value.)

测量坐标后，绘制山区地貌,可以得到比较逼真的山区地貌(Measuring coordinates, draw mountain landscape)

linux环境下实现发送邮件的SMTP服务器和负责接收邮件的POP3服务器，一个实现SMTP协议完成邮件的发送功能，一个实现POP3协议完成邮件的接收功能，两者分开。(Linux environment in the realization of the SMTP server to send mail and is responsible for receiving mail server of POP3, an implementation of the SMTP protocol to complete the mail sending function, an implementation of the POP3 protocol to complete the mail receiving function, the two separate. )

QLogic Fibre Channel HBA Driver Source Code for Linux.

blktrace output analysis: generate a timeline & gather statistics.

QS60 Style Private Source Code for Linux.

串口收发—中断方式（神舟III号）得用串口收发有了较好的分析利用(Serial transceivers- interrupt (Shenzhou III) starting a serial transceiver has a better analysis of the use of)

Linux system programming book for begginers

Audio output device.

On Create Context Menu Listener Source Code for Linux.