[lldb-dap] Fix flaky test

Author: DrSergei

lldb/test/API/tools/lldb-dap/server/TestDAP_server.py

@@ -101,7 +101,9 @@ def test_server_interrupt(self):
         # Interrupt the server which should disconnect all clients.
         process.send_signal(signal.SIGINT)
 
-        self.dap_server.wait_for_terminated()
+        # Wait for both events since they can happen in any order.
+        self.dap_server.wait_for_event(["terminated", "exited"])
+        self.dap_server.wait_for_event(["terminated", "exited"])
         self.assertIsNotNone(
             self.dap_server.exit_status,
             "Process exited before interrupting lldb-dap server",

lldb/tools/lldb-dap/tool/lldb-dap.cpp

@@ -351,8 +351,6 @@ serveConnection(const Socket::SocketProtocol &protocol, const std::string &name,
                      << " disconnected failed: "
                      << llvm::toString(std::move(error)) << "\n";
       }
-      // Close the socket to ensure the DAP::Loop read finishes.
-      sock->Close();
     }
   }