1 files changed, 5 insertions, 1 deletions
diff --git a/src/env.h b/src/env.h
index 52d0535721..0228b2d9d0 100644
--- a/src/env.h
+++ b/src/env.h
@@ -618,7 +618,8 @@ class Environment {
 
   Environment(IsolateData* isolate_data,
               v8::Local<v8::Context> context,
-              Flags flags = Flags());
+              Flags flags = Flags(),
+              uint64_t thread_id = kNoThreadId);
   ~Environment();
 
   void Start(bool start_profiler_idle_notifier);
@@ -763,6 +764,9 @@ class Environment {
   inline bool has_run_bootstrapping_code() const;
   inline void set_has_run_bootstrapping_code(bool has_run_bootstrapping_code);
 
+  static uint64_t AllocateThreadId();
+  static constexpr uint64_t kNoThreadId = -1;
+
   inline bool is_main_thread() const;
   inline bool owns_process_state() const;
   inline bool owns_inspector() const;