Parallelize cpplint in presubmit and fix usage of DISALLOW_* macros.

src/platform-freebsd.cc

Index: src/platform-freebsd.cc
diff --git a/src/platform-freebsd.cc b/src/platform-freebsd.cc
index 65bd7201319c3a1213c3041313f14a2db738e20a..6d04fb1aaa95ff5b2852ba29d2cef9be4c7f1613 100644
--- a/src/platform-freebsd.cc
+++ b/src/platform-freebsd.cc
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2012 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:
@@ -840,6 +840,7 @@ class SignalSender : public Thread {
   static bool signal_handler_installed_;
   static struct sigaction old_signal_handler_;
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(SignalSender);
 };