Make stdout and stderr async.

runtime/bin/eventhandler_win.h

 // 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.
 
 #ifndef BIN_EVENTHANDLER_WIN_H_
 #define BIN_EVENTHANDLER_WIN_H_
 
 #if !defined(BIN_EVENTHANDLER_H_)
 #error Do not include eventhandler_win.h directly; use eventhandler.h instead.
 #endif
@@ skipping 193 matching lines @@
   intptr_t mask() { return mask_; }
 
   void MarkDoesNotSupportOverlappedIO() {
     flags_ |= (1 << kDoesNotSupportOverlappedIO);
   }
   bool SupportsOverlappedIO() {
     return (flags_ & (1 << kDoesNotSupportOverlappedIO)) == 0;
   }
 
   void ReadSyncCompleteAsync();
+  void WriteSyncCompleteAsync();
 
   DWORD last_error() { return last_error_; }
   void set_last_error(DWORD last_error) { last_error_ = last_error; }
 
  protected:
   enum Flags {
     kClosing = 0,
     kCloseRead = 1,
     kCloseWrite = 2,
     kDoesNotSupportOverlappedIO = 3,
@@ skipping 10 matching lines @@
   Dart_Port port_;  // Dart port to communicate events for this socket.
   intptr_t mask_;  // Mask of events to report through the port.
   HANDLE completion_port_;
   EventHandlerImplementation* event_handler_;
 
   OverlappedBuffer* data_ready_;  // Buffer for data ready to be read.
   OverlappedBuffer* pending_read_;  // Buffer for pending read.
   OverlappedBuffer* pending_write_;  // Buffer for pending write
 
   DWORD last_error_;
+  DWORD thread_wrote_;
 
  private:
   int flags_;
   CRITICAL_SECTION cs_;  // Critical section protecting this object.
 };
 
 
 class FileHandle : public Handle {
  public:
   explicit FileHandle(HANDLE handle)
@@ skipping 11 matching lines @@
  public:
   DirectoryWatchHandle(HANDLE handle, int events, bool recursive)
       : Handle(handle),
         events_(events),
         recursive_(recursive) {
     type_ = kDirectoryWatch;
   }
 
   virtual void EnsureInitialized(EventHandlerImplementation* event_handler);
   virtual bool IsClosed();
-  virtual void DoClose();
 
   virtual bool IssueRead();
 
  private:
   int events_;
   bool recursive_;
 };
 
 
 class SocketHandle : public Handle {
@@ skipping 133 matching lines @@
 
   TimeoutQueue timeout_queue_;  // Time for next timeout.
   bool shutdown_;
   HANDLE completion_port_;
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_EVENTHANDLER_WIN_H_