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

src/platform.h

 // 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 370 matching lines @@
  public:
   // Opaque data type for thread-local storage keys.
   // LOCAL_STORAGE_KEY_MIN_VALUE and LOCAL_STORAGE_KEY_MAX_VALUE are specified
   // to ensure that enumeration type has correct value range (see Issue 830 for
   // more details).
   enum LocalStorageKey {
     LOCAL_STORAGE_KEY_MIN_VALUE = kMinInt,
     LOCAL_STORAGE_KEY_MAX_VALUE = kMaxInt
   };
 
+  struct Options {
+    Options() : name("v8:<unknown>"), stack_size(0) {}
+
+    const char* name;
+    int stack_size;
+  };
+
   // Create new thread (with a value for storing in the TLS isolate field).
-  explicit Thread(Isolate* isolate);
+  Thread(Isolate* isolate, const Options& options);
   Thread(Isolate* isolate, const char* name);
   virtual ~Thread();
 
   // Start new thread by calling the Run() method in the new thread.
   void Start();
 
   // Wait until thread terminates.
   void Join();
 
   inline const char* name() const {
@@ skipping 26 matching lines @@
   // The thread name length is limited to 16 based on Linux's implementation of
   // prctl().
   static const int kMaxThreadNameLength = 16;
  private:
   void set_name(const char *name);
 
   class PlatformData;
   PlatformData* data_;
   Isolate* isolate_;
   char name_[kMaxThreadNameLength];
+  int stack_size_;
 
   DISALLOW_COPY_AND_ASSIGN(Thread);
 };
 
 
 // ----------------------------------------------------------------------------
 // Mutex
 //
 // Mutexes are used for serializing access to non-reentrant sections of code.
 // The implementations of mutex should allow for nested/recursive locking.
@@ skipping 190 matching lines @@
   int samples_taken_;  // Counts stack samples taken.
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_