implement support for adding external fd to server
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 204ff4c..782aa37 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -6338,7 +6338,8 @@
     "language": "c", 
     "name": "grpc_transport_chttp2_server_insecure", 
     "src": [
-      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c"
+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c", 
+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c"
     ], 
     "third_party": false, 
     "type": "filegroup"