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RE: [PATCH 1/1] gdb, python: update threads in Inferior.threads ()

> -----Original Message-----
> From: Jan Kratochvil []
> Sent: Wednesday, July 18, 2012 3:54 PM

Thanks for your review!

> > Update the thread list in infpy_threads () before creating the Python objects.
> It would be good to have a testcase for this issue.

I added a test.

> > Not sure this is the right place. We should probably update the thread list as
> > soon as we learn that the target stopped.
> So far update_thread_list is called only before (in) the commands which really
> need the thread list.  The problem is that infpy_threads can be called from
> a script repeatedly which may be pretty inefficient to call update_thread_list
> each time.

So it is the right place - just not a good one.

Those scripts will now do "info threads" to achieve the same effect.

> The right would be to:
> (1) Support update_thread_list per-inferior, not just for all inferiors at
>     once.  For example infpy_threads is interested only in specific inferior.
> (2) Cache the current thread list in struct inferior, clearing it from
>     begin of target_resume according to PTID (which depends for example on
>     'set schedule-multiple', see user_visible_resume_ptid), therefore either
>     the specific inferior only or all inferiors.

Shouldn't this rather be an event?

> Still it is trying to push at you optimization out of the scope of this patch.
> With a preferred testcase I find your patch OK.  (Pedro knows better all this
> infrun stuff.)

CC'ing Pedro.


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