V8 JavaScript shared memory prototype.

src/runtime.h

 // 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:
 //
 //     * 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 310 matching lines @@
   \
   /* Harmony observe */ \
   F(IsObserved, 1, 1) \
   F(SetIsObserved, 1, 1) \
   F(GetObservationState, 0, 1) \
   F(ObservationWeakMapCreate, 0, 1) \
   F(UnwrapGlobalProxy, 1, 1) \
   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) \
   \
   F(DataViewGetBuffer, 1, 1) \
   F(DataViewGetInt8, 3, 1) \
   F(DataViewGetUint8, 3, 1) \
   F(DataViewGetInt16, 3, 1) \
   F(DataViewGetUint16, 3, 1) \
   F(DataViewGetInt32, 3, 1) \
@@ skipping 509 matching lines @@
 
   MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty(
       Isolate* isolate,
       Handle<Object> object,
       Handle<Object> key);
 
   static void SetupArrayBuffer(Isolate* isolate,
                                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);
 
   static void FreeArrayBuffer(
       Isolate* isolate,
       JSArrayBuffer* phantom_array_buffer);
 
   enum TypedArrayId {
     // arrayIds below should be synchromized with typedarray.js natives.
     ARRAY_ID_UINT8 = 1,
@@ skipping 31 matching lines @@
 class AllocateDoubleAlignFlag:  public BitField<bool,            0, 1> {};
 class AllocateTargetSpace:      public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag:   public BitField<bool,       0, 1> {};
 class DeclareGlobalsNativeFlag: public BitField<bool,       1, 1> {};
 class DeclareGlobalsStrictMode: public BitField<StrictMode, 2, 1> {};
 
 } }  // namespace v8::internal
 
 #endif  // V8_RUNTIME_H_