When dispatching from an asynchronous operation using C++, the function
node::MakeCallback is
supposed to automatically set
<https://github.com/trevnorris/node/commit/6d91bd37075a53f42bab01915fa89ba4a4f0a075>
the domain of the callback. So if method throws, then an event will
be sent to the domain. At least that's the expectation. From the node
source, it appears that recv
is used to obtain the domain to which these events will posted
NODE_EXTERN v8::Handle<v8::Value> MakeCallback(
v8::Isolate* isolate,
v8::Handle<v8::Object> recv,
const char* method,
int argc,
v8::Handle<v8::Value>* argv);
Local<Context> context = recv->CreationContext();
Environment* env = Environment::GetCurrent(context);
and then later
if (env->using_domains())
etc.
What recv is and how's it's derived is a mystery. I can't find it
documented. I've tried
various values for recv: args.This(), Context()->Global(), the callback
itself, etc. saved directly
as a Persistent or saved as a object contained in a Persistent Array... all
approaches fail. So
here I am. If anyone knows what this object is or can suggest a next step,
thanks in advance.
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