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http://lists.gnu.org/archive/html/bug-hurd/2016-03/msg00034.html
diff --git a/libports/bucket-iterate.c b/libports/bucket-iterate.c
index b021b99..76dc3f7 100644
--- a/libports/bucket-iterate.c
+++ b/libports/bucket-iterate.c
@@ -58,7 +58,14 @@ _ports_bucket_class_iterate (struct hurd_ihash *ht,
if (class == 0 || pi->class == class)
{
- refcounts_ref (&pi->refcounts, NULL);
+ struct references result;
+ refcounts_unsafe_ref (&pi->refcounts, &result);
+ if (result.hard == 1 && result.weak == 0)
+ {
+ /* This one is on its way out, skip it. */
+ refcounts_deref (&pi->refcounts, NULL);
+ continue;
+ }
p[n] = pi;
n++;
}
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