Join embeder threads on Windows.

runtime/bin/dbg_connection.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 "bin/dbg_connection.h"
 #include "bin/dbg_message.h"
 #include "bin/dartutils.h"
 #include "bin/lockers.h"
 #include "bin/log.h"
 #include "bin/socket.h"
@@ skipping 180 matching lines @@
     { "getIsolateIds", HandleIsolatesListCmd },
     { NULL, NULL }
   };
 
   for (;;) {
     // Read a message.
     while (!msgbuf_->IsValidMessage() && msgbuf_->Alive()) {
       msgbuf_->ReadData();
     }
     if (!msgbuf_->Alive()) {
+      if (trace_debug_protocol) {
+        Log::Print("Debugger is exiting HandleMessages loop.\n");
+      }
       return;
     }
 
     if (trace_debug_protocol) {
       dart::JSONReader r(msgbuf_->buf());
       const char* msg_end = r.EndOfObject();
       if (msg_end != NULL) {
         intptr_t msg_len = msg_end - msgbuf_->buf();
         int print_len = ((msg_len > kMaxPrintMessageLen)
                          ? kMaxPrintMessageLen : msg_len);
@@ skipping 126 matching lines @@
     fflush(stderr);
     exit(255);
   }
 
   port_number = Socket::GetPort(listener_fd_);
   DebuggerConnectionImpl::StartHandler(port_number);
   return port_number;
 }
 
 
+void DebuggerConnectionHandler::StopHandler() {
+  if (IsConnected()) {
+    DebuggerConnectionImpl::StopHandler(singleton_handler->debug_fd());
+  }
+}
+
+
 void DebuggerConnectionHandler::WaitForConnection() {
   ASSERT(handler_lock_ != NULL);
   MonitorLocker ml(handler_lock_);
   if (!IsListening()) {
     // If we are only running the vm service, don't wait for
     // connections.
     return;
   }
   while (!IsConnected()) {
     Monitor::WaitResult res = ml.Wait();
@@ skipping 150 matching lines @@
 
 
 bool DebuggerConnectionHandler::IsConnected() {
   // TODO(asiva): Support multiple debugger connections.
   // Return true if a connection has been established.
   return singleton_handler != NULL;
 }
 
 }  // namespace bin
 }  // namespace dart