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-rw-r--r--ChangeLog8
-rw-r--r--proc.c10
2 files changed, 17 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 419a7803bc..4b276d6dfb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Mon Jul 25 23:51:01 2011 Yusuke Endoh <mame@tsg.ne.jp>
+
+ * backport r32671 from trunk.
+
+ * proc.c: pre-allocate the unlinked_method_entry_list_entry struct to
+ avoid memory allocation during GC. based on a patch from Eric Wong.
+ [ruby-core:38498]
+
Mon Jul 25 22:36:11 2011 Yusuke Endoh <mame@tsg.ne.jp>
* backport r32669 from trunk.
diff --git a/proc.c b/proc.c
index 3f175cc324..427d1fe744 100644
--- a/proc.c
+++ b/proc.c
@@ -19,6 +19,7 @@ struct METHOD {
VALUE rclass;
ID id;
rb_method_entry_t *me;
+ struct unlinked_method_entry_list_entry *ume;
};
VALUE rb_cUnboundMethod;
@@ -867,7 +868,10 @@ static void
bm_free(void *ptr)
{
struct METHOD *data = ptr;
- rb_unlink_method_entry(data->me);
+ struct unlinked_method_entry_list_entry *ume = data->ume;
+ ume->me = data->me;
+ ume->next = GET_VM()->unlinked_method_entry_list;
+ GET_VM()->unlinked_method_entry_list = ume;
xfree(ptr);
}
@@ -976,6 +980,7 @@ mnew(VALUE klass, VALUE obj, ID id, VALUE mclass, int scope)
data->me = ALLOC(rb_method_entry_t);
*data->me = *me;
data->me->def->alias_count++;
+ data->ume = ALLOC(struct unlinked_method_entry_list_entry);
OBJ_INFECT(method, klass);
@@ -1084,6 +1089,7 @@ method_unbind(VALUE obj)
*data->me = *orig->me;
if (orig->me->def) orig->me->def->alias_count++;
data->rclass = orig->rclass;
+ data->ume = ALLOC(struct unlinked_method_entry_list_entry);
OBJ_INFECT(method, obj);
return method;
@@ -1383,6 +1389,7 @@ method_clone(VALUE self)
data->me = ALLOC(rb_method_entry_t);
*data->me = *orig->me;
if (data->me->def) data->me->def->alias_count++;
+ data->ume = ALLOC(struct unlinked_method_entry_list_entry);
return clone;
}
@@ -1549,6 +1556,7 @@ umethod_bind(VALUE method, VALUE recv)
if (bound->me->def) bound->me->def->alias_count++;
bound->recv = recv;
bound->rclass = CLASS_OF(recv);
+ data->ume = ALLOC(struct unlinked_method_entry_list_entry);
return method;
}