tools/hexnet: Shut down connections when gracefully handling signals

src/tools/hexnet.cpp

@@ -114,6 +114,26 @@ void signalHandler(int signal) {
         tcpSocket.shutdown(SHUT_RD);
     }
 
+    if (tcpConnector) {
+        tcpConnector.shutdown(SHUT_RD);
+    }
+
+    if (tcp6Socket) {
+        tcp6Socket.shutdown(SHUT_RD);
+    }
+
+    if (tcp6Connector) {
+        tcp6Connector.shutdown(SHUT_RD);
+    }
+
+    if (udpSocket) {
+        udpSocket.shutdown(SHUT_RD);
+    }
+
+    if (udp6Socket) {
+        udp6Socket.shutdown(SHUT_RD);
+    }
+
     std::cerr << "Received signal " << signal << ", bye!" << std::endl;
     std::exit(EXIT_SIGNAL);
 }