.

bac2/os/chap1/ex1.c

@@ -19,9 +19,16 @@ void handler(int sig, siginfo_t* info, void* context) {
 }
 
 int main(int argc, char *argv[]){
+
 	SIGS context = {.sa_flags = SA_SIGINFO, .sa_sigaction = handler};
-	while(1)
-		pause();
+	sigaction(SIGUSR1, &context, NULL);
+	sigaction(SIGUSR2, &context, NULL);
+
+	while(1){
+		printf("The program is running...\n");
+		sleep(1);
+	}
+
 	return 0;
 }