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authorRoland McGrath <roland@gnu.org>2004-06-01 21:42:02 +0000
committerRoland McGrath <roland@gnu.org>2004-06-01 21:42:02 +0000
commit090addb473b6e5e1fa23fbf5525bfe468f4ca459 (patch)
treece25f2a4c69a76a41285004d0663b6e7a84e43ee /nptl_db
parentfbf86ddab2cd53c0a63173c1eb8b39c2b970fb8d (diff)
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2004-05-27 Roland McGrath <roland@redhat.com>
* td_thr_validate.c: When we find no threads and the inferior appears uninitialized, validate the main thread as a special case.
Diffstat (limited to 'nptl_db')
-rw-r--r--nptl_db/td_thr_validate.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/nptl_db/td_thr_validate.c b/nptl_db/td_thr_validate.c
index e0b05f5..3d560a6 100644
--- a/nptl_db/td_thr_validate.c
+++ b/nptl_db/td_thr_validate.c
@@ -1,5 +1,5 @@
/* Validate a thread handle.
- Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
@@ -19,10 +19,10 @@
02111-1307 USA. */
#include "thread_dbP.h"
-
+#include <stdbool.h>
static td_err_e
-check_thread_list (const td_thrhandle_t *th, psaddr_t head)
+check_thread_list (const td_thrhandle_t *th, psaddr_t head, bool *uninit)
{
td_err_e err;
psaddr_t next, ofs;
@@ -31,7 +31,10 @@ check_thread_list (const td_thrhandle_t *th, psaddr_t head)
if (err == TD_OK)
{
if (next == 0)
- return TD_NOTHR;
+ {
+ *uninit = true;
+ return TD_NOTHR;
+ }
err = DB_GET_FIELD_ADDRESS (ofs, th->th_ta_p, 0, pthread, list, 0);
}
@@ -59,9 +62,10 @@ td_thr_validate (const td_thrhandle_t *th)
LOG ("td_thr_validate");
/* First check the list with threads using user allocated stacks. */
+ bool uninit = false;
err = DB_GET_SYMBOL (list, th->th_ta_p, __stack_user);
if (err == TD_OK)
- err = check_thread_list (th, list);
+ err = check_thread_list (th, list, &uninit);
/* If our thread is not on this list search the list with stack
using implementation allocated stacks. */
@@ -69,7 +73,18 @@ td_thr_validate (const td_thrhandle_t *th)
{
err = DB_GET_SYMBOL (list, th->th_ta_p, stack_used);
if (err == TD_OK)
- err = check_thread_list (th, list);
+ err = check_thread_list (th, list, &uninit);
+
+ if (err == TD_NOTHR && uninit)
+ {
+ /* __pthread_initialize_minimal has not run yet.
+ But the main thread still has a valid ID. */
+ td_thrhandle_t main_th;
+ err = td_ta_map_lwp2thr (th->th_ta_p,
+ ps_getpid (th->th_ta_p->ph), &main_th);
+ if (err == TD_OK && th->th_unique != main_th.th_unique)
+ err = TD_NOTHR;
+ }
}
return err;