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src: register StreamBase while registering LibuvStreamWrap #43321

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merged 2 commits into from
Jun 17, 2022
Merged

src: register StreamBase while registering LibuvStreamWrap #43321

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371adec
src: register StreamBase while registering LibuvStreamWrap
RaisinTen Jun 5, 2022
3bb4e35
src: add comment
RaisinTen Jun 12, 2022
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5 changes: 5 additions & 0 deletions src/stream_base.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -452,6 +452,10 @@ void StreamBase::AddMethods(Environment* env, Local<FunctionTemplate> t) {

void StreamBase::RegisterExternalReferences(
ExternalReferenceRegistry* registry) {
// This function is called by a single thread during start up, so it is safe
// to use a local static variable here.
static bool is_registered = false;
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if (is_registered) return;
registry->Register(GetFD);
registry->Register(GetExternal);
registry->Register(GetBytesRead);
Expand All @@ -471,6 +475,7 @@ void StreamBase::RegisterExternalReferences(
registry->Register(
BaseObject::InternalFieldSet<StreamBase::kOnReadFunctionField,
&Value::IsFunction>);
is_registered = true;
}

void StreamBase::GetFD(const FunctionCallbackInfo<Value>& args) {
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3 changes: 1 addition & 2 deletions src/stream_wrap.cc
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Expand Up @@ -108,8 +108,7 @@ void LibuvStreamWrap::RegisterExternalReferences(
registry->Register(IsConstructCallCallback);
registry->Register(GetWriteQueueSize);
registry->Register(SetBlocking);
// TODO(joyee): StreamBase::RegisterExternalReferences() is called somewhere
// else but we may want to do it here too and guard it with a static flag.
StreamBase::RegisterExternalReferences(registry);
}

LibuvStreamWrap::LibuvStreamWrap(Environment* env,
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