src: clean up agent loop when exiting through destructor

Fixes: https://github.com/nodejs/node/issues/22042

PR-URL: https://github.com/nodejs/node/pull/21867
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Eugene Ostroukhov <eostroukhov@google.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/tracing/agent.cc b/src/tracing/agent.cc
index 9b435b56d2..5a4d637bda 100644
--- a/src/tracing/agent.cc
+++ b/src/tracing/agent.cc
@@ -59,6 +59,7 @@ Agent::Agent() {
     Agent* agent = ContainerOf(&Agent::initialize_writer_async_, async);
     agent->InitializeWritersOnThread();
   }), 0);
+  uv_unref(reinterpret_cast<uv_handle_t*>(&initialize_writer_async_));
 }
 
 void Agent::InitializeWritersOnThread() {
@@ -72,6 +73,11 @@ void Agent::InitializeWritersOnThread() {
 }
 
 Agent::~Agent() {
+  categories_.clear();
+  writers_.clear();
+
+  StopTracing();
+
   uv_close(reinterpret_cast<uv_handle_t*>(&initialize_writer_async_), nullptr);
   uv_run(&tracing_loop_, UV_RUN_ONCE);
   CheckedUvLoopClose(&tracing_loop_);