add signal handling

main.cpp

@@ -3,6 +3,10 @@
 #include <td/telegram/td_api.h>
 #include <td/telegram/td_api.hpp>
 
+void on_signal(uv_signal_t *h, int signum) {
+  uv_stop(uv_default_loop());
+}
+
 int main() {
   uv_loop_t *loop = uv_default_loop();
 
@@ -15,7 +19,13 @@ int main() {
       spdlog::error("got error!");
     }
   });
+  uv_signal_t signalHandles[2] = {};
+  uv_signal_init(loop, signalHandles);
+  uv_signal_start(signalHandles, on_signal, SIGINT);
+  uv_signal_init(loop, signalHandles + 1);
+  uv_signal_start(signalHandles + 1, on_signal, SIGTERM);
   
   uv_run(loop, UV_RUN_DEFAULT);
+  spdlog::info("event loop ended");
   return 0;
 }