[dart:io][windows] Implements RawSynchronousSocket

runtime/bin/process_win.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.
 
 #if !defined(DART_IO_DISABLED)
 
 #include "platform/globals.h"
 #if defined(HOST_OS_WINDOWS)
 
 #include "bin/process.h"
@@ skipping 960 matching lines @@
 }
 
 
 BOOL WINAPI SignalHandler(DWORD signal) {
   MutexLocker lock(signal_mutex);
   const SignalInfo* handler = signal_handlers;
   bool handled = false;
   while (handler != NULL) {
     if (handler->signal() == signal) {
       int value = 0;
-      SocketBase::Write(handler->fd(), &value, 1);
+      SocketBase::Write(handler->fd(), &value, 1, SocketBase::kAsync);
       handled = true;
     }
     handler = handler->next();
   }
   return handled;
 }
 
 
 intptr_t GetWinSignal(intptr_t signal) {
   switch (signal) {
@@ skipping 78 matching lines @@
   }
   delete handler;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_WINDOWS)
 
 #endif  // !defined(DART_IO_DISABLED)