/*
 * sig.c: sample program starter kit for manipulating signals using signal().
 * Not everything is demonstrated; this is just a starter kit.
 */

#include <stdio.h>
#include <signal.h>

void nyahnyah(int signum);

const int BUFSIZE = 256;
int main() {
	char line[BUFSIZE];

	/* Activate one of the following lines, depending on
	   whether you want interrupt signals just ignored,
	   or would like the specified function called */
	signal(SIGINT, SIG_IGN);
	//signal(SIGINT, nyahnyah);

	/* SIGTSTP is the signal generated by ^Z, the suspend
	   process signal */
	signal(SIGTSTP, nyahnyah);

	while(fgets(line, BUFSIZE, stdin) != NULL) {
	    printf("You typed => %s", line);
	}
}

void nyahnyah(int signum) {
	/* supposedly need to reset this here (per "man signal" and
	   it's discussion of signals under linux), but doesn't actually
	   seem to matter. Documentation != observed program behavior. */
	//signal(signum, nyahnyah);

	fprintf(stderr, "nyah, nyah signal #%d.\n", signum);
}