handleMessage in --ppapi-in-process mode

[Mateusz Różański]

Hello,

I'm writing a simple PNaCl app (im new in this stuff) and stuck in messaging system. I just want to send simple string message from javascript to NaCl client and debug this in visual studio. 

(like in this tutorial: https://developer.chrome.com/native-client/devguide/devcycle/debugging ).

Everything works perfect in PNaCl and NaCl modes, but in PPAPI mode it looks like messages just dont come to native client module.

I figured out, that changing flag from --ppapi-in-process to --ppapi-out-of-process solve this problem, but then i cant debug my app in visual studio.

So, my question is:

1. Am i right that messaging system (handleMessage function) is not working in single process? If yes - why is that? Will it be changed?

2. Is there a chance to run my app in ppapi mode (to debug) in single process with working messaging system or use visual stuio debugger with out-of-process flag?

Best regards

Mateusz

[David Michael]

On Mon, Feb 16, 2015 at 10:25 AM, Mateusz Różański <mat...@gmail.com> wrote:
> Hello,
>
> I'm writing a simple PNaCl app (im new in this stuff) and stuck in messaging
> system. I just want to send simple string message from javascript to NaCl
> client and debug this in visual studio.
> (like in this tutorial:
> https://developer.chrome.com/native-client/devguide/devcycle/debugging ).
>
> Everything works perfect in PNaCl and NaCl modes, but in PPAPI mode it looks
> like messages just dont come to native client module.
> I figured out, that changing flag from --ppapi-in-process to
> --ppapi-out-of-process solve this problem, but then i cant debug my app in
> visual studio.

Do our instructions say to use --ppapi-in-process? If so, we should
fix that. I recommend strongly against using that flag.

> So, my question is:
>
> 1. Am i right that messaging system (handleMessage function) is not working
> in single process? If yes - why is that? Will it be changed?

That's right. We don't support in-process anymore except for two
internal Chrome uses (PDF and the guts of the NaCl integration) and
we'd like to phase those out. We're slowly removing support for
in-process APIs over time whenever it's convenient.

> 2. Is there a chance to run my app in ppapi mode (to debug) in single
> process with working messaging system or use visual stuio debugger with
> out-of-process flag?

Please use out-of-process mode (this should actually be the default).

Sorry for any inconvenience.

>
> Best regards
> Mateusz
>
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