Thread: signal.h

  1. #1
    l'Anziano DavidP's Avatar
    Join Date
    Aug 2001
    Plano, Texas, United States


    who here has experience with signal.h? I need some help with it...I have searched through the documentation of signal.h and asked some people about it, but so far no luck. I need some help understanding what exactly this code does:

    //i know what this does:
    static int done = 0;
    void poked(int sig)
    	done = 1;
    //more code
    //its this part i dont understand:
    #ifdef SIGHUP
    	signal(SIGHUP, poked);
    	signal(SIGINT, poked);
    #ifdef SIGQUIT
    	signal(SIGQUIT, poked);
    	signal(SIGTERM, poked);
    Anybody have experience with the signal function (in signal.h)? Thanx.
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