The following code is for including an alarm, to kill 
a cgic process that is left hanging, 
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     #include <unistd.h>
     #include <signal.h>

     
     int main()
     {
       alarm(30); /* set off an alarm in 30 seconds */
       signal(SIGALRM,error);	/*Alarm Signal*/
         -
         -
         -
         -

     }
     
     void error()
     {
       - 
       -
       -
       h1("Error");
       
       printf("<p>Error:  Timed Out</p>\n"); 
       --
       
       exit(1);
     }