Add Isolate parameter to disallow Atomics.wait

include/v8.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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 6327 matching lines @@
    */
   struct CreateParams {
     CreateParams()
         : entry_hook(nullptr),
           code_event_handler(nullptr),
           snapshot_blob(nullptr),
           counter_lookup_callback(nullptr),
           create_histogram_callback(nullptr),
           add_histogram_sample_callback(nullptr),
           array_buffer_allocator(nullptr),
-          external_references(nullptr) {}
+          external_references(nullptr),
+          allow_atomics_wait(true) {}
 
     /**
      * The optional entry_hook allows the host application to provide the
      * address of a function that's invoked on entry to every V8-generated
      * function.  Note that entry_hook is invoked at the very start of each
      * generated function. Furthermore, if an entry_hook is given, V8 will
      * not use a snapshot, including custom snapshots.
      */
     FunctionEntryHook entry_hook;
 
@@ skipping 35 matching lines @@
      */
     ArrayBuffer::Allocator* array_buffer_allocator;
 
     /**
      * Specifies an optional nullptr-terminated array of raw addresses in the
      * embedder that V8 can match against during serialization and use for
      * deserialization. This array and its content must stay valid for the
      * entire lifetime of the isolate.
      */
     intptr_t* external_references;
+
+    /**
+     * Whether calling Atomics.wait (a function that may block) is allowed in
+     * this isolate.
+     */
+    bool allow_atomics_wait;
   };
 
 
   /**
    * Stack-allocated class which sets the isolate for all operations
    * executed within a local scope.
    */
   class V8_EXPORT Scope {
    public:
     explicit Scope(Isolate* isolate) : isolate_(isolate) {
@@ skipping 3435 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_