process: add flag for uncaught exception abort

Introduce `process.shouldAbortOnUncaughtException` to control
`--abort-on-uncaught-exception` behaviour, and implement
some of the domains functionality on top of it.

PR-URL: https://github.com/nodejs/node/pull/17159
Refs: https://github.com/nodejs/node/issues/17143
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Andreas Madsen <amwebdk@gmail.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/env-inl.h b/src/env-inl.h
index 78f53c9f0f..98702ddc4a 100644
--- a/src/env-inl.h
+++ b/src/env-inl.h
@@ -268,6 +268,7 @@ inline Environment::Environment(IsolateData* isolate_data,
       emit_napi_warning_(true),
       makecallback_cntr_(0),
       scheduled_immediate_count_(isolate_, 1),
+      should_abort_on_uncaught_toggle_(isolate_, 1),
 #if HAVE_INSPECTOR
       inspector_agent_(new inspector::Agent(this)),
 #endif
@@ -305,6 +306,9 @@ inline Environment::Environment(IsolateData* isolate_data,
   performance_state_->milestones[
     performance::NODE_PERFORMANCE_MILESTONE_V8_START] =
         performance::performance_v8_start;
+
+  // By default, always abort when --abort-on-uncaught-exception was passed.
+  should_abort_on_uncaught_toggle_[0] = 1;
 }
 
 inline Environment::~Environment() {
@@ -399,6 +403,11 @@ inline void Environment::set_abort_on_uncaught_exception(bool value) {
   abort_on_uncaught_exception_ = value;
 }
 
+inline AliasedBuffer<uint32_t, v8::Uint32Array>&
+Environment::should_abort_on_uncaught_toggle() {
+  return should_abort_on_uncaught_toggle_;
+}
+
 inline std::vector<double>* Environment::destroy_async_id_list() {
   return &destroy_async_id_list_;
 }