Add ceiling on num_threads

main.c

@@ -85,7 +85,9 @@ int main(int argc, char *argv[]) {
 	if (errno == ERANGE || (num_threads == 0 && errno == EINVAL)) {
 		printf("Invalid number of threads.\n");
 	}
+	num_threads = num_threads > MAXTHREAD ? MAXTHREAD : num_threads;
 
+	// TODO: Remove this. It's for debugging.
 	int num_inputs = get_input(num_threads, &inputs);
 	for (int i = 0; i < num_inputs; i++) {
 		printf("#%d recipient=%d value=%d\n", i, inputs[i].recipient, inputs[i].value);