Re: Using GCancellable

["Andrew E. Makeev" <andrew solvo ru>]

I guess, you can't cancel stream reading until BUFSIZ bytes received or
end of data.

So, the only way to stop reading "ASAP" is smaller BUFSIZ.

В Срд, 26/05/2010 в 10:24 +0200, Iñigo Martínez пишет:
> Hello:
> 
> I'm using a GCancellable to be able to cancel a reading process, but
> it's behaviour is not the one I was expecting. I have this code:
>   
>   cancellable = g_cancellable_new ();
>   file = g_file_new_for_path (path);
>   input_stream = g_file_read (file, cancellable, &error);
> 
>   g_input_stream_read (G_INPUT_STREAM (input_stream),
>                        buffer,
>                        BUFSIZ,
>                        cancellable, &error);
> 
>   g_object_unref (input_stream);
>   g_object_unref (file);
>   g_object_unref (cancellable);
> 
> And in another thread the cancelling call:
> 
>   g_cancellable_cancel (cancellable);
> 
> The behaviour I was expecting was that the blocking call
> g_input_stream_read would be unblocked and would return after calling to
> g_cancellable_cancel.
> 
> Actually it waits for g_input_stream_read to finish, so it doesn't
> really cancel, but g_cancellable is marked as cancelled after that.
> 
> Is this it's normal behaviour ?
> If it is, what can I do to cancel a reading process ?
> 
> Thank you,
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-- 
Andrew E. Makeev <andrew solvo ru>
Solvo Logistic