From 7d072e2ba4c318fdd97bfcd093e160efdb8dc03d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 6 Aug 2008 12:25:47 +0000
Subject: * gc.c (chain_finalized_object): deletes finalizers to be invoked
 from   finalizer_table.

* gc.c (rb_gc_call_finalizer_at_exit): warns when could not invoke
  finalizers.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18394 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 gc.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gc.c')

diff --git a/gc.c b/gc.c
index 6c9666585d..120b396d5e 100644
--- a/gc.c
+++ b/gc.c
@@ -2092,6 +2092,7 @@ chain_finalized_object(st_data_t key, st_data_t val, st_data_t arg)
 	}
 	p->as.free.next = *final_list;
 	*final_list = p;
+	return ST_DELETE;
     }
     return ST_CONTINUE;
 }
@@ -2113,6 +2114,12 @@ rb_gc_call_finalizer_at_exit(void)
 	    st_foreach(finalizer_table, chain_finalized_object,
 		       (st_data_t)&deferred_final_list);
 	} while (deferred_final_list);
+	if (finalizer_table->num_entries) {
+	    rb_warning("%d finalizer%s left not-invoked due to self-reference",
+		       finalizer_table->num_entries,
+		       finalizer_table->num_entries > 1 ? "s" : "");
+	}
+	st_free_table(finalizer_table);
     }
     /* finalizers are part of garbage collection */
     during_gc++;
-- 
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