Add support for setting the SO_REUSEADDR option for sockets

src/platform-win32.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1547 matching lines @@
   // Client initialization.
   bool Connect(const char* host, const char* port);
 
   // Shutdown socket for both read and write.
   bool Shutdown();
 
   // Data Transimission
   int Send(const char* data, int len) const;
   int Receive(char* data, int len) const;
 
+  bool SetReuseAddress(bool reuse_address);
+
   bool IsValid() const { return socket_ != INVALID_SOCKET; }
 
  private:
   SOCKET socket_;
 };
 
 
 bool Win32Socket::Bind(const int port) {
   if (!IsValid())  {
     return false;
@@ skipping 76 matching lines @@
   return status;
 }
 
 
 int Win32Socket::Receive(char* data, int len) const {
   int status = recv(socket_, data, len, 0);
   return status;
 }
 
 
+bool Win32Socket::SetReuseAddress(bool reuse_address) {
+  BOOL on = reuse_address ? TRUE : FALSE;
+  int status = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR,
+                          reinterpret_cast<char*>(&on), sizeof(on));
+  return status == SOCKET_ERROR;
+}
+
+
 bool Socket::Setup() {
   // Initialize Winsock32
   int err;
   WSADATA winsock_data;
   WORD version_requested = MAKEWORD(1, 0);
   err = WSAStartup(version_requested, &winsock_data);
   if (err != 0) {
     PrintF("Unable to initialize Winsock, err = %d\n", Socket::LastError());
   }
 
@@ skipping 142 matching lines @@
 
   // Release the thread handles
   CloseHandle(data_->sampler_thread_);
   CloseHandle(data_->profiled_thread_);
 }
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal