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worker: use snapshot in workers spawned by workers #47731

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merged 1 commit into from
May 4, 2023
Merged

worker: use snapshot in workers spawned by workers #47731

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16 changes: 12 additions & 4 deletions src/node_worker.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -179,10 +179,12 @@ class WorkerThreadData {
isolate->SetStackLimit(w->stack_base_);

HandleScope handle_scope(isolate);
isolate_data_.reset(CreateIsolateData(isolate,
&loop_,
w_->platform_,
allocator.get()));
isolate_data_.reset(
CreateIsolateData(isolate,
&loop_,
w_->platform_,
allocator.get(),
w->snapshot_data()->AsEmbedderWrapper().get()));
CHECK(isolate_data_);
if (w_->per_isolate_opts_)
isolate_data_->set_options(std::move(w_->per_isolate_opts_));
Expand Down Expand Up @@ -315,6 +317,10 @@ void Worker::Run() {
// though.
TryCatch try_catch(isolate_);
if (snapshot_data_ != nullptr) {
Debug(this,
"Worker %llu uses context from snapshot %d\n",
thread_id_.id,
static_cast<int>(SnapshotData::kNodeBaseContextIndex));
context = Context::FromSnapshot(isolate_,
SnapshotData::kNodeBaseContextIndex)
.ToLocalChecked();
Expand All @@ -323,6 +329,8 @@ void Worker::Run() {
context = Local<Context>();
}
} else {
Debug(
this, "Worker %llu builds context from scratch\n", thread_id_.id);
context = NewContext(isolate_);
}
if (context.IsEmpty()) {
Expand Down