Introduce optional 'bool shared' parameter to ServerSocket.bind() ...

dart/runtime/bin/eventhandler.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/dartutils.h"
 #include "bin/eventhandler.h"
 #include "bin/socket.h"
 
 #include "include/dart_api.h"
 
 
 namespace dart {
 namespace bin {
 
-static const intptr_t kTimerId = -1;
-static const intptr_t kInvalidId = -2;
 
 void TimeoutQueue::UpdateTimeout(Dart_Port port, int64_t timeout) {
   // Find port if present.
   Timeout* last = NULL;
   Timeout* current = timeouts_;
   while (current != NULL) {
     if (current->port() == port) {
       // Found.
       if (timeout < 0) {
         // Remove from list and delete existing.
@@ skipping 51 matching lines @@
   return &event_handler->delegate_;
 }
 
 
 /*
  * Send data to the EventHandler thread to register for a given instance
  * args[0] a ReceivePort args[1] with a notification event args[2].
  */
 void FUNCTION_NAME(EventHandler_SendData)(Dart_NativeArguments args) {
   Dart_Handle sender = Dart_GetNativeArgument(args, 0);
-  intptr_t id = kInvalidId;
+  intptr_t id;
   if (Dart_IsNull(sender)) {
     id = kTimerId;
   } else {
     id = Socket::GetSocketIdNativeField(sender);
   }
   // Get the id out of the send port. If the handle is not a send port
   // we will get an error and propagate that out.
   Dart_Handle handle = Dart_GetNativeArgument(args, 1);
   Dart_Port dart_port;
   handle = Dart_SendPortGetId(handle, &dart_port);
   if (Dart_IsError(handle)) {
     Dart_PropagateError(handle);
     UNREACHABLE();
   }
   int64_t data = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 2));
   event_handler->SendData(id, dart_port, data);
 }
 
 }  // namespace bin
 }  // namespace dart