Re: [Vala] Combining async methods with external processes

[pancake <pancake youterm com>]

you are using coroutines which are not designed to "run stuff in 
background".

coroutines are designed to run collaborative code which hangs if one of the
parts doesn't pass the token when necessary.

You have to use threads, or an idle task if you have a mainloop.

On 11/19/10 08:34, James Moschou wrote:
> Hello,
>
> I want to perform a series of tasks one after the other, but in the
> background. So I have:
>
> async bool perform_tasks () {
>      bool result = yield task1 ();
>      if (result)
>          result = yield task2 ();
>      if (result)
>          result = yield task3 ();
>
>      Idle.add (perform_tasks.callback)
>      yield;
>      return result;
> }
>
> more or less.
>
> One of the tasks however spawns a new process, and I'm not sure how
> the callback from this process is supposed to fit into Vala's way of
> doing async programming, i.e. Process.spawn_async_with_pipes () isn't
> actually an "async" method.
>
> How would I do this, am I making things too complicated?
>
> Cheers,
> James
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