Use v8::internal threading support in samples/shell.cc.

test/cctest/test-thread-termination.cc

 // Copyright 2009 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 142 matching lines @@
   v8::Script::Compile(source)->Run();
   CHECK(!v8::V8::IsExecutionTerminating());
   // Test that we can run the code again after thread termination.
   v8::Script::Compile(source)->Run();
   context.Dispose();
 }
 
 
 class TerminatorThread : public v8::internal::Thread {
  public:
-  explicit TerminatorThread(i::Isolate* isolate) : Thread(isolate) { }
+  explicit TerminatorThread(i::Isolate* isolate)
+      : Thread(isolate, "TerminatorThread") { }
   void Run() {
     semaphore->Wait();
     CHECK(!v8::V8::IsExecutionTerminating());
     v8::V8::TerminateExecution();
   }
 };
 
 
 // Test that a single thread of JavaScript execution can be terminated
 // from the side by another thread.
@@ skipping 14 matching lines @@
 
   thread.Join();
   delete semaphore;
   semaphore = NULL;
   context.Dispose();
 }
 
 
 class LoopingThread : public v8::internal::Thread {
  public:
-  explicit LoopingThread(i::Isolate* isolate) : Thread(isolate) { }
+  explicit LoopingThread(i::Isolate* isolate)
+      : Thread(isolate, "LoopingThread") { }
   void Run() {
     v8::Locker locker;
     v8::HandleScope scope;
     v8_thread_id_ = v8::V8::GetCurrentThreadId();
     v8::Handle<v8::ObjectTemplate> global =
         CreateGlobalTemplate(Signal, DoLoop);
     v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);
     v8::Context::Scope context_scope(context);
     CHECK(!v8::V8::IsExecutionTerminating());
     // Run a loop that will be infinite if thread termination does not work.
@@ skipping 140 matching lines @@
   v8::Handle<v8::String> source =
       v8::String::New("try { loop(); fail(); } catch(e) { fail(); }");
   v8::Script::Compile(source)->Run();
   CHECK(!v8::V8::IsExecutionTerminating());
   // Check we can run JS again after termination.
   CHECK(v8::Script::Compile(v8::String::New("function f() { return true; }"
                                             "f()"))->Run()->IsTrue());
   context.Dispose();
 }