src: add Env::profiler_idle_notifier_started()

Refs: ayojs/ayo#93 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Stephen Belanger <admin@stephenbelanger.com> PR-URL: #20876 Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Shingo Inoue <leko.noor@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: John-David Dalton <john.david.dalton@gmail.com> Reviewed-By: Gus Caplan <me@gus.host>
nodejs · Sep 25, 2017 · 314b47d1cf4d229d52e8626740d2625810f2a615 · 314b47d
1 parent 5209ff9
commit 314b47d1cf4d229d52e8626740d2625810f2a615
Unified Split

Showing with 12 additions and 0 deletions.

+4 −0 src/env-inl.h

+6 −0 src/env.cc

+2 −0 src/env.h
diff --git a/src/env-inl.h b/src/env-inl.h
@@ -322,6 +322,10 @@ inline Environment* Environment::GetThreadLocalEnv() {
  return static_cast<Environment*>(uv_key_get(&thread_local_env));
 }
+  
+inline bool Environment::profiler_idle_notifier_started() const {
+  
+  return profiler_idle_notifier_started_;
+  
+}
+  
+
 inline v8::Isolate* Environment::isolate() const {
  return isolate_;
 }

diff --git a/src/env.cc b/src/env.cc
@@ -263,6 +263,11 @@ void Environment::CleanupHandles() {
 }
 void Environment::StartProfilerIdleNotifier() {
+  
+  if (profiler_idle_notifier_started_)
+  
+    return;
+  
+
+  
+  profiler_idle_notifier_started_ = true;
+  
+
  uv_prepare_start(&idle_prepare_handle_, [](uv_prepare_t* handle) {
    Environment* env = ContainerOf(&Environment::idle_prepare_handle_, handle);
    env->isolate()->SetIdle(true);
@@ -275,6 +280,7 @@ void Environment::StartProfilerIdleNotifier() {
 }
 void Environment::StopProfilerIdleNotifier() {
+  
+  profiler_idle_notifier_started_ = false;
  uv_prepare_stop(&idle_prepare_handle_);
  uv_check_stop(&idle_check_handle_);
 }

diff --git a/src/env.h b/src/env.h
@@ -615,6 +615,7 @@ class Environment {
  void StartProfilerIdleNotifier();
  void StopProfilerIdleNotifier();
+  
+  inline bool profiler_idle_notifier_started() const;
  inline v8::Isolate* isolate() const;
  inline tracing::Agent* tracing_agent() const;
@@ -840,6 +841,7 @@ class Environment {
  uv_idle_t immediate_idle_handle_;
  uv_prepare_t idle_prepare_handle_;
  uv_check_t idle_check_handle_;
+  
+  bool profiler_idle_notifier_started_ = false;
  AsyncHooks async_hooks_;
  ImmediateInfo immediate_info_;