Start accepting incoming sockets earlier on Windows, to associate a at AcceptEx error to 'ServerSoc…

runtime/bin/main.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
 #include "include/dart_api.h"
 #include "include/dart_debugger_api.h"
@@ skipping 990 matching lines @@
                        DartUtils::ReadFile,
                        DartUtils::WriteFile,
                        DartUtils::CloseFile,
                        DartUtils::EntropySource,
                        CreateServiceIsolate)) {
     fprintf(stderr, "%s", "VM initialization failed\n");
     fflush(stderr);
     exit(kErrorExitCode);
   }
 
+  // Start event handler.
+  EventHandler::Start();
+
   // Start the debugger wire protocol handler if necessary.
   if (start_debugger) {
     ASSERT(debug_port >= 0);
     bool print_msg = verbose_debug_seen || (debug_port == 0);
     debug_port = DebuggerConnectionHandler::StartHandler(debug_ip, debug_port);
     if (print_msg) {
       Log::Print("Debugger listening on port %d\n", debug_port);
     }
   }
 
-  // Start event handler.
-  EventHandler::Start();
-
   ASSERT(Dart_CurrentIsolate() == NULL);
   // Start the VM service isolate, if necessary.
   if (start_vm_service) {
     if (!start_debugger) {
       DebuggerConnectionHandler::InitForVmService();
     }
     bool r = VmService::Start(vm_service_server_ip, vm_service_server_port);
     if (!r) {
       Log::PrintErr("Could not start VM Service isolate %s\n",
                     VmService::GetErrorMessage());
@@ skipping 145 matching lines @@
   exit(Process::GlobalExitCode());
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   dart::bin::main(argc, argv);
   UNREACHABLE();
 }