[android-developers] Re: AsyncTask + NDK = Neverending process

>>"Relying on Java thread interruption is a serious code smell IMHO, NDK or not"<<
Hi Mark,

Why is this a code-smell? Interrupting long-running threads that 'wait
()' is perfectly fine for controlling these threads, telling them to
do stuff, pause or even stop and exit.

On Dec 19, 9:20 am, Mark Murphy <mmur...@commonsware.com> wrote:
> Hunter Peress wrote:
> > Hi,  I'm running a pretty weird setup:
>
> > AsyncTask1.class -> AsyncTask2.class ->AsyncTask3 (inner class of
> > AsyncTask2) ->NDK call (this one takes a long time).
>
> > Since the NDK takes so long, I want to give users the option to kill
> > the NDK call so that they can actually use the app. Basically, I keep
> > references of all the asynctask instances and I do:
>
> > aSyncTask1.getAsyncTask2().getAsyncTask3().cancel(true);
>
> > The true means mayInterruptIfRunning
>
> > but, lo and behold, the NDK process is still running. I don't care how
> > its done, but I need that NDK process to die when I ask it to. I'm
> > thinking about kill-9 it through a popen call..
>
> > Any ideas on how to kill this thing??
>
> NDK questions are best asked on the NDK Google Group:
>
> http://groups.google.com/group/android-ndk
>
> That being said, AsyncTask#cancel() will only stop a running thread if
> the Java thread is interruptible, and it would not shock me if threads
> tied up in NDK calls are not interruptible. Relying on Java thread
> interruption is a serious code smell IMHO, NDK or not.
>
> --
> Mark Murphy (a Commons Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> Android Training in Germany, 18-22 January 2010:http://bignerdranch.com- Hide quoted text -
>
> - Show quoted text -

--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscribe@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en