src: add name for more threads

PR-URL: #59601 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>

Author: theanarkh

src/node_platform.cc

@@ -101,6 +101,7 @@ class WorkerThreadsTaskRunner::DelayedTaskScheduler {
 
  std::unique_ptr<uv_thread_t> Start() {
  auto start_thread = [](void* data) {
+ uv_thread_setname("DelayedTaskSchedulerWorker");
  static_cast<DelayedTaskScheduler*>(data)->Run();
  };
  std::unique_ptr<uv_thread_t> t { new uv_thread_t() };

src/node_watchdog.cc

@@ -80,6 +80,7 @@ Watchdog::~Watchdog() {
 
 
 void Watchdog::Run(void* arg) {
+ uv_thread_setname("Watchdog");
  Watchdog* wd = static_cast<Watchdog*>(arg);
 
  // UV_RUN_DEFAULT the loop will be stopped either by the async or the
@@ -229,9 +230,9 @@ void TraceSigintWatchdog::HandleInterrupt() {
 
 #ifdef __POSIX__
 void* SigintWatchdogHelper::RunSigintWatchdog(void* arg) {
+ uv_thread_setname("SigintWatchdog");
  // Inside the helper thread.
  bool is_stopping;
-
  do {
  uv_sem_wait(&instance.sem_);
  is_stopping = InformWatchdogsAboutSignal();

src/tracing/agent.cc

@@ -94,10 +94,15 @@ void Agent::Start() {
  // This thread should be created *after* async handles are created
  // (within NodeTraceWriter and NodeTraceBuffer constructors).
  // Otherwise the thread could shut down prematurely.
- CHECK_EQ(0, uv_thread_create(&thread_, [](void* arg) {
- Agent* agent = static_cast<Agent*>(arg);
- uv_run(&agent->tracing_loop_, UV_RUN_DEFAULT);
- }, this));
+ CHECK_EQ(0,
+ uv_thread_create(
+ &thread_,
+ [](void* arg) {
+ uv_thread_setname("TraceEventWorker");
+ Agent* agent = static_cast<Agent*>(arg);
+ uv_run(&agent->tracing_loop_, UV_RUN_DEFAULT);
+ },
+ this));
  started_ = true;
 }