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Re: remote debugging a multi-threaded program with signal


>>>>> On Fri, 05 Mar 2004 11:27:22 +0900 (JST), Atsushi Nemoto <anemo@mba.ocn.ne.jp> said:

anemo> How about when verbose-resume was disabled or unavailable?  If
anemo> verbose-resume is necessary to continue with signal, gdb can
anemo> warn it for users?  Or gdbserver can resume all threads on this
anemo> case?

For gdb without verbose-resume, how about this patch?  With this
patch, gdbserver uses general_thread instead of all_threads.head if
'CNN' packet was sent without preceding 'HcNN'.

--- gdb-6.0.90.org/gdb/gdbserver/target.c	Wed Jun 12 02:32:40 2002
+++ gdb-6.0.90/gdb/gdbserver/target.c	Sat Mar  6 01:29:44 2004
@@ -49,6 +49,10 @@ set_desired_inferior (int use_general)
       if (found == NULL)
 	found = (struct thread_info *) find_inferior_id (&all_threads,
 							 cont_thread);
+      /* failsafe: use thread in last resume_reply */
+      if (found == NULL)
+	found = (struct thread_info *) find_inferior_id (&all_threads,
+							 general_thread);
     }
 
   if (found == NULL)

---
Atsushi Nemoto


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