add random stuffs

signal_handler.c

@@ -0,0 +1,16 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <signal.h>
+#include <string.h>
+#include <unistd.h>
+
+void signal_handler(int sig) {
+    printf("Caught signal SIG%s (%d) - %s\n", sigabbrev_np(sig), sig, strsignal(sig));
+    fflush(stdout);
+}
+
+int main() {
+    for (int i = 1; i < NSIG; signal(i++, signal_handler));
+    puts("Listening for signals");
+    while (pause());
+}