Python and target-async

[Pedro Alves]

On Friday 19 August 2011 14:35:07, Kevin Pouget wrote:
> furthermore, the `gdb.execute("detach")' which I commented out above,
> leads to the internal_error that I reported in
> http://sourceware.org/bugzilla/show_bug.cgi?id=13110 :
> 
> > ...gdb/thread.c:623: internal-error: is_thread_state: Assertion `tp' failed.
> > A problem internal to GDB has been detected,
> > further debugging may prove unreliable.
> 
> Any thought on what to do for that?
> 

This.  Tested on x86_64-linux and applied.

But I'm now wondering if we actually ever need the registers_changed
call here or in wait_for_inferior nowadays --- we flush threads'
register caches when we resume them (target_resume).

-- 
Pedro Alves

2011-09-05  Pedro Alves  <pedro@codesourcery.com>

	PR cli/13110

	gdb/
	* infrun.c (fetch_inferior_event): Check if there's a selected
	thread before checking if the selected thread is executing.

---
 gdb/infrun.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: src/gdb/infrun.c
===================================================================
--- src.orig/gdb/infrun.c	2011-09-05 15:50:49.000000000 +0100
+++ src/gdb/infrun.c	2011-09-05 15:57:10.693964411 +0100
@@ -2749,7 +2749,9 @@ fetch_inferior_event (void *client_data)
      switches threads anyway).  If we didn't do this, a spurious
      delayed event in all-stop mode would make the user lose the
      selected frame.  */
-  if (non_stop || is_executing (inferior_ptid))
+  if (non_stop
+      || (!ptid_equal (inferior_ptid, null_ptid)
+	  && is_executing (inferior_ptid)))
     registers_changed ();
 
   make_cleanup_restore_integer (&execution_direction);