2011年3月28日 星期一

simple & clean daemon code

This blog is original from here: [ uCdot ]

Here the little trick is :
Use option '-D' as a 'differentiate mark' of daemon process
from the parent process. 
  
The second time it self exec(), means the daemon process
starting with -D option, which make it goes to the 'else' block :

It's a Clean and Simple example!
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