Merge IO v2 branch to bleeding edge

runtime/bin/platform_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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
 #include "bin/platform.h"
 #include "bin/log.h"
 #include "bin/socket.h"
@@ skipping 10 matching lines @@
   return info.dwNumberOfProcessors;
 }
 
 
 const char* Platform::OperatingSystem() {
   return "windows";
 }
 
 
 bool Platform::LocalHostname(char *buffer, intptr_t buffer_length) {
-  static bool socket_initialized = false;
-  if (!socket_initialized) {
-    // Initialize Socket for gethostname.
-    if (!Socket::Initialize()) return false;
-    socket_initialized = true;
-  }
+  if (!Socket::Initialize()) return false;
   return gethostname(buffer, buffer_length) == 0;
 }
 
 
 char** Platform::Environment(intptr_t* count) {
   wchar_t* strings = GetEnvironmentStringsW();
   if (strings == NULL) return NULL;
   wchar_t* tmp = strings;
   intptr_t i = 0;
   while (*tmp != '\0') {
@@ skipping 11 matching lines @@
   return result;
 }
 
 
 void Platform::FreeEnvironment(char** env, int count) {
   for (int i = 0; i < count; i++) free(env[i]);
   delete[] env;
 }
 
 #endif  // defined(TARGET_OS_WINDOWS)