RFA: gdb/568, messy thread exits

[Daniel Jacobowitz <drow@mvista.com>]

Jim, what do you think about this change?  This fixes a whole class of
problems for me, by not longjmp'ing out of attempts to kill/detach/quit/etc.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer

2002-07-31  Daniel Jacobowitz  <drow@mvista.com>

	Fix PR gdb/568
	* thread-db.c (lwp_from_thread): Only warn if unable to find
	the thread.

Index: thread-db.c
===================================================================
RCS file: /cvs/src/src/gdb/thread-db.c,v
retrieving revision 1.22
diff -u -p -r1.22 thread-db.c
--- thread-db.c	23 Mar 2002 17:38:13 -0000	1.22
+++ thread-db.c	31 Jul 2002 16:29:52 -0000
@@ -260,6 +260,12 @@ lwp_from_thread (ptid_t ptid)
     return ptid;
 
   err = td_ta_map_id2thr_p (thread_agent, GET_THREAD (ptid), &th);
+  if (err == TD_ERR)
+    {
+      warning ("Cannot find thread %ld: %s",
+	       (long) GET_THREAD (ptid), thread_db_err_str (err));
+      return ptid;
+    }
   if (err != TD_OK)
     error ("Cannot find thread %ld: %s",
 	   (long) GET_THREAD (ptid), thread_db_err_str (err));