[lldb-dev] Call python script on stop?

[Ted Woodward]

I think I know what you mean - use the python threads module to start a new thread, and run my TK stuff in there. Write an event loop that TK and LLDB events.

If I use SBListener.WaitForEvent(), will that keep the main lldb thread from seeing events that I see?

-----Original Message-----
From: lldb-dev-bounces at cs.uiuc.edu [mailto:lldb-dev-bounces at cs.uiuc.edu] On Behalf Of Ted Woodward
Sent: Tuesday, September 09, 2014 6:43 PM
To: 'Greg Clayton'
Cc: lldb-dev at cs.uiuc.edu
Subject: Re: [lldb-dev] Call python script on stop?

Can I do that from inside lldb, or are we talking another python process? If inside lldb, how do I do that?

-----Original Message-----
From: Greg Clayton [mailto:gclayton at apple.com] 
Sent: Tuesday, September 09, 2014 6:35 PM
To: Ted Woodward
Cc: Jim Ingham; lldb-dev at cs.uiuc.edu
Subject: Re: [lldb-dev] Call python script on stop?

You will need to launch another python thread, and in that thread, handle all events just like the process_events.py script.


> On Sep 9, 2014, at 4:31 PM, Ted Woodward <ted.woodward at codeaurora.org> wrote:
> 
> Is there a way to launch another lldb thread, so I have the command prompt and a python script running at the same time?
> 
> -----Original Message-----
> From: jingham at apple.com [mailto:jingham at apple.com] 
> Sent: Tuesday, September 09, 2014 5:38 PM
> To: Greg Clayton
> Cc: Ted Woodward; lldb-dev at cs.uiuc.edu
> Subject: Re: [lldb-dev] Call python script on stop?
> 
> Yes, you definitely want to handle events yourself.  The target stop hooks are fine for printing some variables and threads, etc, but I wouldn't try to update your GUI, etc, from there.
> 
> Jim
> 
>> On Sep 9, 2014, at 3:22 PM, Greg Clayton <gclayton at apple.com> wrote:
>> 
>> 
>>> On Sep 9, 2014, at 1:36 PM, Ted Woodward <ted.woodward at codeaurora.org> wrote:
>>> 
>>> I’m working on a simple python gui proof-of-concept. I’m going to use the Tkinter module to open a Tk window that displays registers. I’d like to have it auto-update when the target stops.
>>> 
>>> Is there a way to automatically call a python script when a target stops, and to call another (to clean up) when the target is killed?
>> 
>> Why not just consume the events yourself?
>> 
>> See the following sample python code:
>> 
>> svn cat http://llvm.org/svn/llvm-project/lldb/trunk/examples/python/process_events.py
>> 
>> There is a "target stop-hook" command you could use:
>> 
>> (lldb) help target stop-hook 
>> 
>> But I would suggest consuming the events on another thread from python, or just making a polling loop where you want for events for a specified amount of time.
>> 
>> Greg
>> 
>> 
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> 
> 



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