Add d8 API for spawning function on a new thread.

src/d8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
 #ifndef V8_SHARED
 #include "src/allocation.h"
 #include "src/hashmap.h"
+#include "src/list.h"
 #include "src/smart-pointers.h"
 #include "src/v8.h"
 #else
 #include "include/v8.h"
 #include "src/base/compiler-specific.h"
 #endif  // !V8_SHARED
 
 namespace v8 {
 
 
@@ skipping 139 matching lines @@
 #endif  // !V8_SHARED
 
   void ExitShell(int exit_code);
   Handle<String> ReadFile(Isolate* isolate, const char* name);
 
   const char** argv_;
   int begin_offset_;
   int end_offset_;
 };
 
+#ifndef V8_SHARED
+class Worker {
+ public:
+  Worker();
+  ~Worker();
+
+  void StartExecuteInThread(Isolate* isolate, const char* function_string,
+                            const v8::SharedArrayBuffer::Contents& contents =
+                                v8::SharedArrayBuffer::Contents());
+  Handle<Value> WaitForThread(Isolate* isolate);
+
+ private:
+  class WorkerThread : public base::Thread {
+   public:
+    explicit WorkerThread(Worker* worker)
+        : base::Thread(base::Thread::Options("WorkerThread")),
+          worker_(worker) {}
+
+    virtual void Run() { worker_->ExecuteInThread(); }
+
+   private:
+    Worker* worker_;
+  };
+
+  void ExecuteInThread();
+  void Cleanup();
+
+  base::Mutex mutex_;
+  base::Thread* thread_;
+  char* script_;
+  char* result_json_;
+  v8::SharedArrayBuffer::Contents contents_;
+};
+#endif  // !V8_SHARED
+
 
 class ShellOptions {
  public:
   ShellOptions()
       : script_executed(false),
         last_run(true),
         send_idle_notification(false),
         invoke_weak_callbacks(false),
         omit_quit(false),
         stress_opt(false),
@@ skipping 59 matching lines @@
   static void ReportException(Isolate* isolate, TryCatch* try_catch);
   static Handle<String> ReadFile(Isolate* isolate, const char* name);
   static Local<Context> CreateEvaluationContext(Isolate* isolate);
   static int RunMain(Isolate* isolate, int argc, char* argv[]);
   static int Main(int argc, char* argv[]);
   static void Exit(int exit_code);
   static void OnExit(Isolate* isolate);
   static void CollectGarbage(Isolate* isolate);
 
 #ifndef V8_SHARED
+  static void CleanupWorker(Isolate* isolate);
   static Handle<Array> GetCompletions(Isolate* isolate,
                                       Handle<String> text,
                                       Handle<String> full);
   static int* LookupCounter(const char* name);
   static void* CreateHistogram(const char* name,
                                int min,
                                int max,
                                size_t buckets);
   static void AddHistogramSample(void* histogram, int sample);
   static void MapCounters(v8::Isolate* isolate, const char* name);
@@ skipping 23 matching lines @@
   static void Write(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Quit(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Version(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Read(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void ReadBuffer(const v8::FunctionCallbackInfo<v8::Value>& args);
   static Handle<String> ReadFromStdin(Isolate* isolate);
   static void ReadLine(const v8::FunctionCallbackInfo<v8::Value>& args) {
     args.GetReturnValue().Set(ReadFromStdin(args.GetIsolate()));
   }
   static void Load(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void WorkerNew(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void WorkerJoin(const v8::FunctionCallbackInfo<v8::Value>& args);
   // The OS object on the global object contains methods for performing
   // operating system calls:
   //
   // os.system("program_name", ["arg1", "arg2", ...], timeout1, timeout2) will
   // run the command, passing the arguments to the program.  The standard output
   // of the program will be picked up and returned as a multiline string.  If
   // timeout1 is present then it should be a number.  -1 indicates no timeout
   // and a positive number is used as a timeout in milliseconds that limits the
   // time spent waiting between receiving output characters from the program.
   // timeout2, if present, should be a number indicating the limit in
@@ skipping 32 matching lines @@
 #ifndef V8_SHARED
   static Persistent<Context> utility_context_;
   static CounterMap* counter_map_;
   // We statically allocate a set of local counters to be used if we
   // don't want to store the stats in a memory-mapped file
   static CounterCollection local_counters_;
   static CounterCollection* counters_;
   static base::OS::MemoryMappedFile* counters_file_;
   static base::Mutex context_mutex_;
   static const base::TimeTicks kInitialTicks;
+  static Worker worker_;
+  static i::List<v8::SharedArrayBuffer::Contents> externalized_shared_contents_;
 
   static Counter* GetCounter(const char* name, bool is_histogram);
   static void InstallUtilityScript(Isolate* isolate);
 #endif  // !V8_SHARED
   static void Initialize(Isolate* isolate);
   static void InitializeDebugger(Isolate* isolate);
   static void RunShell(Isolate* isolate);
   static bool SetOptions(int argc, char* argv[]);
   static Handle<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_