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From: Tom Tromey <tromey@redhat.com>
To: Project Archer <archer@sourceware.org>
Subject: [inferior events] minor patch from trunk
Date: Tue, 14 Dec 2010 21:38:00 -0000
Message-ID: <m3mxo8ox1l.fsf@fleche.redhat.com>
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X-SW-Source: 2010-q4/txt/msg00035.txt.bz2

This fix comes from the trunk.

Without this we will crash when calling gdb.selected_thread before any
threads exist.

Ok to push?

Tom

@@ -206,6 +294,9 @@ find_thread_object (ptid_t ptid)
   PyObject *inf_obj;
 
   pid = PIDGET (ptid);
+  if (pid == 0)
+    return NULL;
+
   inf_obj = find_inferior_object (pid);
 
   if (inf_obj)