src: allow embedder customization of OOMErrorHandler

codebytere · aduh95 · commit b17163b130e3 · 2025-03-09T11:38:43.000+01:00
PR-URL: #57325 Reviewed-By: Chengzhong Wu <legendecas@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jake Yuesong Li <jake.yuesong@gmail.com>
diff --git a/src/api/environment.cc b/src/api/environment.cc
@@ -233,7 +233,10 @@ void SetIsolateErrorHandlers(v8::Isolate* isolate, const IsolateSettings& s) {
   auto* fatal_error_cb = s.fatal_error_callback ?
       s.fatal_error_callback : OnFatalError;
   isolate->SetFatalErrorHandler(fatal_error_cb);
-  isolate->SetOOMErrorHandler(OOMErrorHandler);
+
+  auto* oom_error_cb =
+      s.oom_error_callback ? s.oom_error_callback : OOMErrorHandler;
+  isolate->SetOOMErrorHandler(oom_error_cb);
 
   if ((s.flags & SHOULD_NOT_SET_PREPARE_STACK_TRACE_CALLBACK) == 0) {
     auto* prepare_stack_trace_cb = s.prepare_stack_trace_callback ?
diff --git a/src/node.h b/src/node.h
@@ -483,6 +483,7 @@ struct IsolateSettings {
   v8::Isolate::AbortOnUncaughtExceptionCallback
       should_abort_on_uncaught_exception_callback = nullptr;
   v8::FatalErrorCallback fatal_error_callback = nullptr;
+  v8::OOMErrorCallback oom_error_callback = nullptr;
   v8::PrepareStackTraceCallback prepare_stack_trace_callback = nullptr;
 
   // Miscellaneous callbacks
