Updating the 'lldb-dap.serverMode' setting description and tweaking the handler to collect the connection parameter to only run once.

Author: ashgti

lldb/tools/lldb-dap/package.json

@@ -92,7 +92,7 @@
         "lldb-dap.serverMode": {
           "scope": "resource",
           "type": "boolean",
-          "description": "Run lldb-dap in server mode. When enabled, lldb-dap will start a background server that will be reused between debug sessions. This can improve launch performance and caching of debug symbols between debug sessions.",
+          "markdownDescription": "Run lldb-dap in server mode.\n\nWhen enabled, lldb-dap will start a background server that will be reused between debug sessions. This allows caching of debug symbols between sessions and improves launch performance.",
           "default": false
         }
       }

lldb/tools/lldb-dap/src-ts/debug-adapter-factory.ts

@@ -162,7 +162,7 @@ export class LLDBDapDescriptorFactory
         'connect://localhost:0'
       );
       const server = child_process.spawn(dapPath, args, options);
-      server.stdout!.setEncoding('utf8').on('data', (data: string) => {
+      server.stdout!.setEncoding('utf8').once('data', (data: string) => {
         const connection = /connection:\/\/\[([^\]]+)\]:(\d+)/.exec(data);
         if (connection) {
           const host = connection[1];