From: Roland McGrath <roland@gnu.org>
Date: Fri, 13 Dec 2002 09:45:50 +0000 (+0000)
Subject: 2002-12-12  Roland McGrath  <roland@redhat.com>
X-Git-Tag: cvs/glibc-2_3_2~552
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=f99580795314fd943996662e6d2fb63929e88d4c;p=glibc.git

2002-12-12  Roland McGrath  <roland@redhat.com>

	* td_ta_thr_iter.c (iterate_thread_list): Handle special case of
	uninitialized __stack_user (zeros), hard-wire just the main thread.
---

diff --git a/nptl_db/td_ta_thr_iter.c b/nptl_db/td_ta_thr_iter.c
index 87fec01e8b..68b5427a7d 100644
--- a/nptl_db/td_ta_thr_iter.c
+++ b/nptl_db/td_ta_thr_iter.c
@@ -38,6 +38,16 @@ iterate_thread_list (const td_thragent_t *ta, td_thr_iter_f *callback,
   if (ps_pdread (ta->ph, head, &list, sizeof (list_t)) != PS_OK)
     return TD_ERR;	/* XXX Other error value?  */
 
+  if (list.next == 0 && list.prev == 0 && head == ta->stack_user)
+    {
+      /* __pthread_initialize_minimal has not run.
+	 There is just the main thread to return.  */
+      td_thrhandle_t th;
+      td_err_e err = td_ta_map_lwp2thr (ta, ps_getpid (ta->ph), &th);
+      return (err != TD_OK ? err
+	      : callback (&th, cbdata_p) != 0 ? TD_DBERR : TD_OK);
+    }
+
   while (list.next != head)
     {
       psaddr_t addr = ((psaddr_t) list.next