On 02/09/16 19:31, J Decker wrote:
On Thursday, September 1, 2016 at 12:54:20 AM UTC-7, Saúl Ibarra
Corretgé wrote:
On 09/01/2016 01:06 AM, J Decker wrote:
> I'm working on a simple network proxy addon for node (yes it's
sort of a
> crossover issue, but the error happens in ... hmm no adding run fixed
> that... moved the problem I guess
>
> I cut out most of the excess code; there's still excess in the
> custructor callback... but I wanted to leave that flow intact.
>
Was there a previous email I missed? I have no context thus far.
No; that's about all the context I can give? I can provide a more
complete example, and probably should.
Unfortunatly I'm under windows at the moment, so I don't even know what
the callback stack looks like; working on building it under linux today...
Your email sounded like a conversation with someone, and I thought I was
just getting one side of it :-P
> when creating a new object, I create a single uv_default_loop() that
> I'll never close ?
>
That's going to be a problem. Node itself uses the default loop, so
you'd be using the same loop really, and uv_run is non-recursive, so
you
cannot call it while it's already running, and it is, otherwise your JS
code wouldn't run.
uv_run is only called during garbage collection, which should be the
same thread that is the javascript?
Yes, but that's incorrect, you should not call uv_run yourself.
why would one want to use multiple loops? and add a loop per async then?
It depends on the use case. In yours, you probably want multiple async
handles.
> on destructor I do uv_close( (uv_handle_t*)&async, NULL );
> uv_run( fbdl.loop, UV_RUN_DEFAULT );
>
As mentioned above, bad idea. Even if you use a new loop, why? Why
not
use the existing loop? Are you also using other threads?
So I shouldn't use multple Async objects each with their own .data
referencing a object?
Yes.
is the exsting loop ' get_default_loop()' so I shouldn't close it? I
never do?
Yes, you can get it from the current Environment object, then call
event_loop() on it. Example:
https://github.com/nodejs/node/blob/1b99093df78b795052c944fc6388a934e84e89ef/src/timer_wrap.cc#L99-L100
Never close the loop, Node does it on its own.
--
Saúl Ibarra Corretgé
http://bettercallsaghul.com
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