Support multiple interrupt requests in v8 API.

src/isolate.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_ISOLATE_H_
 #define V8_ISOLATE_H_
 
+#include <queue>
 #include "include/v8-debug.h"
 #include "src/allocation.h"
 #include "src/assert-scope.h"
 #include "src/base/atomicops.h"
 #include "src/builtins.h"
 #include "src/contexts.h"
 #include "src/date.h"
 #include "src/execution.h"
 #include "src/frames.h"
 #include "src/global-handles.h"
@@ skipping 365 matching lines @@
   V(ExternalReferenceTable*, external_reference_table, NULL)                   \
   V(int, pending_microtask_count, 0)                                           \
   V(bool, autorun_microtasks, true)                                            \
   V(HStatistics*, hstatistics, NULL)                                           \
   V(CompilationStatistics*, turbo_statistics, NULL)                            \
   V(HTracer*, htracer, NULL)                                                   \
   V(CodeTracer*, code_tracer, NULL)                                            \
   V(bool, fp_stubs_generated, false)                                           \
   V(int, max_available_threads, 0)                                             \
   V(uint32_t, per_isolate_assert_data, 0xFFFFFFFFu)                            \
-  V(InterruptCallback, api_interrupt_callback, NULL)                           \
-  V(void*, api_interrupt_callback_data, NULL)                                  \
   V(PromiseRejectCallback, promise_reject_callback, NULL)                      \
   ISOLATE_INIT_SIMULATOR_LIST(V)
 
 #define THREAD_LOCAL_TOP_ACCESSOR(type, name)                        \
   inline void set_##name(type v) { thread_local_top_.name##_ = v; }  \
   inline type name() const { return thread_local_top_.name##_; }
 
 
 class Isolate {
   // These forward declarations are required to make the friend declarations in
@@ skipping 402 matching lines @@
                                      Handle<Object> exception);
 
   Handle<JSMessageObject> CreateMessage(Handle<Object> exception,
                                         MessageLocation* location);
 
   // Out of resource exception helpers.
   Object* StackOverflow();
   Object* TerminateExecution();
   void CancelTerminateExecution();
 
-  void InvokeApiInterruptCallback();
+  void RequestInterrupt(InterruptCallback callback, void* data);
+  void InvokeApiInterruptCallbacks();
 
   // Administration
   void Iterate(ObjectVisitor* v);
   void Iterate(ObjectVisitor* v, ThreadLocalTop* t);
   char* Iterate(ObjectVisitor* v, char* t);
   void IterateThread(ThreadVisitor* v, char* t);
 
 
   // Returns the current native context.
   Handle<Context> native_context();
@@ skipping 457 matching lines @@
   // A static array of histogram info for each type.
   HistogramInfo heap_histograms_[LAST_TYPE + 1];
   JSObject::SpillInformation js_spill_information_;
 #endif
 
   Debug* debug_;
   CpuProfiler* cpu_profiler_;
   HeapProfiler* heap_profiler_;
   FunctionEntryHook function_entry_hook_;
 
+  typedef std::pair<InterruptCallback, void*> InterruptEntry;
+  std::queue<InterruptEntry> api_interrupts_queue_;
+
 #define GLOBAL_BACKING_STORE(type, name, initialvalue)                         \
   type name##_;
   ISOLATE_INIT_LIST(GLOBAL_BACKING_STORE)
 #undef GLOBAL_BACKING_STORE
 
 #define GLOBAL_ARRAY_BACKING_STORE(type, name, length)                         \
   type name##_[length];
   ISOLATE_INIT_ARRAY_LIST(GLOBAL_ARRAY_BACKING_STORE)
 #undef GLOBAL_ARRAY_BACKING_STORE
 
@@ skipping 247 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_