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worker,etw: only enable ETW on the main thread #25907

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worker,etw: only enable ETW on the main thread #25907

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6 changes: 5 additions & 1 deletion src/node_dtrace.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -288,7 +288,11 @@ void InitDTrace(Environment* env, Local<Object> target) {
}

#ifdef HAVE_ETW
init_etw();
// ETW is neither thread-safe nor does it clean up resources on exit,
// so we can use it only on the main thread.
if (env->is_main_thread()) {
init_etw();
}
#endif

#if defined HAVE_DTRACE || defined HAVE_ETW
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