[ILUG] C - catching or ignoring SIGFPE

[John Allen]

>void sigalrm_handler ()
>{
>        /* The printf(3) manpage says '%l' should print a long, or unsigned
>         * long, but I just get a '%' character instead.  So I'm using %u.
>         */
>        printf ("over %u seconds, SIGFPE was caught %u times\n",
>                alarm_secs, n_fpe);
>        _exit (0);
>}

The %l is a modifier, you need to include an i,d,p etc after the l.

Also try looking at sigprocmask() and relatives, they may work the way 
you want.