- Add a per-isolate pseudo random number generator to the

runtime/vm/isolate.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "lib/mirrors.h"
@@ skipping 272 matching lines @@
       object_store_(NULL),
       top_context_(Context::null()),
       top_exit_frame_info_(0),
       init_callback_data_(NULL),
       environment_callback_(NULL),
       library_tag_handler_(NULL),
       api_state_(NULL),
       stub_code_(NULL),
       debugger_(NULL),
       single_step_(false),
+      random_(),
       simulator_(NULL),
       long_jump_base_(NULL),
       timer_list_(),
       deopt_id_(0),
       mutex_(new Mutex()),
       stack_limit_(0),
       saved_stack_limit_(0),
       message_handler_(NULL),
       spawn_data_(0),
       is_runnable_(false),
@@ skipping 416 matching lines @@
 
 Dart_IsolateCreateCallback Isolate::create_callback_ = NULL;
 Dart_IsolateInterruptCallback Isolate::interrupt_callback_ = NULL;
 Dart_IsolateUnhandledExceptionCallback
     Isolate::unhandled_exception_callback_ = NULL;
 Dart_IsolateShutdownCallback Isolate::shutdown_callback_ = NULL;
 Dart_FileOpenCallback Isolate::file_open_callback_ = NULL;
 Dart_FileReadCallback Isolate::file_read_callback_ = NULL;
 Dart_FileWriteCallback Isolate::file_write_callback_ = NULL;
 Dart_FileCloseCallback Isolate::file_close_callback_ = NULL;
+Dart_EntropySource Isolate::entropy_source_callback_ = NULL;
 Dart_IsolateInterruptCallback Isolate::vmstats_callback_ = NULL;
 
 
 void Isolate::VisitObjectPointers(ObjectPointerVisitor* visitor,
                                   bool visit_prologue_weak_handles,
                                   bool validate_frames) {
   ASSERT(visitor != NULL);
 
   // Visit objects in the object store.
   object_store()->VisitObjectPointers(visitor);
@@ skipping 319 matching lines @@
   return func.raw();
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(isolate());
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart