Endless thread safe timeline recorder

runtime/vm/isolate.h

 // 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/base_isolate.h"
@@ skipping 551 matching lines @@
   TraceBuffer* trace_buffer() {
     return trace_buffer_;
   }
 
   void SetTimelineEventRecorder(TimelineEventRecorder* timeline_event_recorder);
 
   TimelineEventRecorder* timeline_event_recorder() const {
     return timeline_event_recorder_;
   }
 
+  TimelineEventBlock* GetNewTimelineBlock() {
+    if (timeline_event_recorder_ == NULL) {
+      return NULL;
+    }
+    return timeline_event_recorder_->GetNewBlock();
+  }
+
   void RemoveTimelineEventRecorder();
 
   DeoptContext* deopt_context() const { return deopt_context_; }
   void set_deopt_context(DeoptContext* value) {
     ASSERT(value == NULL || deopt_context_ == NULL);
     deopt_context_ = value;
   }
 
   int32_t edge_counter_increment_size() const {
     return edge_counter_increment_size_;
@@ skipping 501 matching lines @@
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   Isolate::Flags isolate_flags_;
   bool paused_;
   bool errors_are_fatal_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_