嵌入式Linux中通过程序名称查找进程PID，判断进程是否正在运行，否则重启...实现对系统所有进程的监控-find process PID, monitoring all processes we want.

一个看门狗进程的代码。打开看门狗后进行喂狗，喂5次后停止喂狗，看开发板会不会重启。-A watchdog daemon code. Open watchdog and then feed the dog, fed five times then stop feeding the dog, see whether will the development board restart.