Patch for allowing several V8 instances in process:...

src/v8.cc

 // Copyright 2006-2009 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 20 matching lines @@
 #include "debug.h"
 #include "serialize.h"
 #include "simulator.h"
 #include "stub-cache.h"
 #include "oprofile-agent.h"
 #include "log.h"
 
 namespace v8 {
 namespace internal {
 
-bool V8::is_running_ = false;
-bool V8::has_been_setup_ = false;
-bool V8::has_been_disposed_ = false;
-bool V8::has_fatal_error_ = false;
+V8Data::V8Data()
+  :is_running_(false),
+  has_been_setup_(false),
+  has_been_disposed_(false),
+  has_fatal_error_(false),
+  active_(false),
+  exception_behavior_(NULL) {
+}
 
 bool V8::Initialize(Deserializer *des) {
   bool create_heap_objects = des == NULL;
-  if (has_been_disposed_ || has_fatal_error_) return false;
+  V8Data& v8_data = v8_context()->v8_data_;
+  if (v8_data.has_been_disposed_ || v8_data.has_fatal_error_) return false;
   if (IsRunning()) return true;
 
-  is_running_ = true;
-  has_been_setup_ = true;
-  has_fatal_error_ = false;
-  has_been_disposed_ = false;
+  v8_data.is_running_ = true;
+  v8_data.has_been_setup_ = true;
+  v8_data.has_fatal_error_ = false;
+  v8_data.has_been_disposed_ = false;
 #ifdef DEBUG
   // The initialization process does not handle memory exhaustion.
   DisallowAllocationFailure disallow_allocation_failure;
 #endif
 
   // Enable logging before setting up the heap
   Logger::Setup();
 
   // Setup the platform OS support.
   OS::Setup();
@@ skipping 52 matching lines @@
   if (FLAG_log_code) {
     HandleScope scope;
     LOG(LogCompiledFunctions());
   }
 
   return true;
 }
 
 
 void V8::SetFatalError() {
-  is_running_ = false;
-  has_fatal_error_ = true;
+  V8Data& v8_data = v8_context()->v8_data_;
+  v8_data.is_running_ = false;
+  v8_data.has_fatal_error_ = true;
 }
 
 
 void V8::TearDown() {
-  if (!has_been_setup_ || has_been_disposed_) return;
+  V8Data& v8_data = v8_context()->v8_data_;
+  if (!v8_data.has_been_setup_ || v8_data.has_been_disposed_) return;
 
   OProfileAgent::TearDown();
 
   if (FLAG_preemption) {
     v8::Locker locker;
     v8::Locker::StopPreemption();
   }
 
   Builtins::TearDown();
   Bootstrapper::TearDown();
 
   Top::TearDown();
 
   Heap::TearDown();
   Logger::TearDown();
 
-  is_running_ = false;
-  has_been_disposed_ = true;
+  v8_data.is_running_ = false;
+  v8_data.has_been_disposed_ = true;
 }
 
 
 uint32_t V8::Random() {
   // Random number generator using George Marsaglia's MWC algorithm.
   static uint32_t hi = 0;
   static uint32_t lo = 0;
 
   // Initialize seed using the system random(). If one of the seeds
   // should ever become zero again, or if random() returns zero, we
@@ skipping 22 matching lines @@
 
 Smi* V8::RandomPositiveSmi() {
   uint32_t random = Random();
   ASSERT(static_cast<uint32_t>(Smi::kMaxValue) >= kRandomPositiveSmiMax);
   // kRandomPositiveSmiMax must match the value being divided
   // by in math.js.
   return Smi::FromInt(random & kRandomPositiveSmiMax);
 }
 
 } }  // namespace v8::internal