- Use TCP_NODELAY when using the coverage tool.

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/log.h"
 #include "bin/socket.h"
 #include "bin/thread.h"
@@ skipping 359 matching lines @@
   }
   intptr_t bytes_written =
       DebuggerConnectionImpl::Send(debug_fd, msg->buf(), msg->length());
   ASSERT(msg->length() == bytes_written);
   // TODO(hausner): Error checking. Probably just shut down the debugger
   // session if we there is an error while writing.
 }
 
 
 void DebuggerConnectionHandler::AcceptDbgConnection(int debug_fd) {
+  Socket::SetNoDelay(debug_fd, true);
   AddNewDebuggerConnection(debug_fd);
   {
     ASSERT(handler_lock_ != NULL);
     MonitorLocker ml(handler_lock_);
     ml.NotifyAll();
   }
   // TODO(asiva): Once we implement support for multiple connections
   // we should have a different callback for wakeups on fds which
   // are not the listener_fd_.
   // In that callback we would lookup the handler object
@@ skipping 64 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