V8 JavaScript shared memory prototype.

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index 3a5c4546a7f35ac099924558bf8f97eb011487b2..5415983e102cd02193f83099d6c13701077e0c1b 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -328,11 +328,31 @@ namespace internal {
   F(IsAccessAllowedForObserver, 3, 1) \
   \
   /* Harmony typed arrays */ \
-  F(ArrayBufferInitialize, 2, 1)\
+  F(ArrayBufferInitialize, 3, 1)\
+  F(ArrayBufferGetShared, 1, 1)\
   F(ArrayBufferSliceImpl, 3, 1) \
   F(ArrayBufferIsView, 1, 1) \
   F(ArrayBufferNeuter, 1, 1) \
   \
+  /* Pthreads */ \
+  F(ArrayBufferMutexInit, 2, 1)\
+  F(ArrayBufferMutexDestroy, 2, 1)\
+  F(ArrayBufferMutexLock, 2, 1)\
+  F(ArrayBufferMutexUnlock, 2, 1)\
+  F(ArrayBufferMutexSize, 1, 1)\
+  \
+  F(ArrayBufferCondInit, 2, 1)\
+  F(ArrayBufferCondDestroy, 2, 1)\
+  F(ArrayBufferCondWait, 3, 1)\
+  F(ArrayBufferCondSignal, 2, 1)\
+  F(ArrayBufferCondBroadcast, 2, 1)\
+  F(ArrayBufferCondSize, 1, 1)\
+  \
+  F(ArrayBufferBarrierInit, 3, 1)\
+  F(ArrayBufferBarrierDestroy, 2, 1)\
+  F(ArrayBufferBarrierWait, 2, 1)\
+  F(ArrayBufferBarrierSize, 1, 1)\
+  \
   F(TypedArrayInitializeFromArrayLike, 4, 1) \
   F(TypedArrayGetBuffer, 1, 1) \
   F(TypedArraySetFastCases, 3, 1) \
@@ -862,13 +882,15 @@ class Runtime : public AllStatic {
                                Handle<JSArrayBuffer> array_buffer,
                                bool is_external,
                                void* data,
-                               size_t allocated_length);
+                               size_t allocated_length,
+                               bool shared);
 
   static bool SetupArrayBufferAllocatingData(
       Isolate* isolate,
       Handle<JSArrayBuffer> array_buffer,
       size_t allocated_length,
-      bool initialize = true);
+      bool initialize = true,
+      bool shared = false);
 
   static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer);