UTC:2025-11-25 8:53:49 :

source/main.cpp

@@ -438,6 +438,7 @@ int main(int argc, char *argv[])
 
     // Handle signal.
     auto onSignal = [](int) -> void {
+        // Emit quit event.
         ::std::uint64_t v = 1;
         ::write(quitEvent, &v, sizeof(v));
     };
@@ -474,8 +475,10 @@ int main(int argc, char *argv[])
             for (auto &status : fds) {
                 if (status.revents & POLLIN) {
                     if (status.fd == recvFd) {
+                        // New data to read.
                         ::readData(recvFd);
                     } else if (status.fd == quitEvent) {
+                        // Need quit.
                         ::std::cout << "Quit event received." << ::std::endl;
                         return 0;
                     }