2 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 6ae6633aef..0409fbff89 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Oct 20 22:01:18 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval.c (rb_thread_cleanup): keep thread group for main thread.
+	  [ruby-dev:21644]
+
 Mon Oct 20 18:28:10 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* eval.c (rb_catch): backout.
diff --git a/eval.c b/eval.c
index 623c984068..46d5d66229 100644
--- a/eval.c
+++ b/eval.c
@@ -9676,9 +9676,9 @@ rb_thread_cleanup()
     FOREACH_THREAD_FROM(curr, th) {
 	if (th->status != THREAD_KILLED) {
 	    rb_thread_ready(th);
-	    th->thgroup = 0;
-	    th->priority = 0;
 	    if (th != main_thread) {
+		th->thgroup = 0;
+		th->priority = 0;
 		th->status = THREAD_TO_KILL;
 		RDATA(th->thread)->dfree = NULL;
 	    }