From 120a473f4f1a5146e4e49db1a61f2854d609df03 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 2 Dec 2004 00:31:17 +0000
Subject: * eval.c (thread_mark): mark thread group.  [ruby-dev:25020]

* eval.c (thgroup_add): check whether the argument is really a Thread.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@7436 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 eval.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'eval.c')

diff --git a/eval.c b/eval.c
index 0462a1e7e..7c1e62802 100644
--- a/eval.c
+++ b/eval.c
@@ -9786,6 +9786,7 @@ thread_mark(th)
     rb_gc_mark(th->last_line);
     rb_gc_mark(th->last_match);
     rb_mark_tbl(th->locals);
+    rb_gc_mark(th->thgroup);
 
     /* mark data in copied stack */
     if (th == curr_thread) return;
@@ -12480,6 +12481,10 @@ thgroup_add(group, thread)
 
     rb_secure(4);
     th = rb_thread_check(thread);
+    if (!th->next || !th->prev) {
+	rb_raise(rb_eTypeError, "wrong argument type %s (expected Thread)",
+		 rb_obj_classname(thread));
+    }
 
     if (OBJ_FROZEN(group)) {
       rb_raise(rb_eThreadError, "can't move to the frozen thread group");
-- 
cgit