This is xnu-11215.1.10. See this file in:
/*
 * Copyright (c) 2008-2013 Apple Inc. All rights reserved.
 *
 * @APPLE_APACHE_LICENSE_HEADER_START@
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @APPLE_APACHE_LICENSE_HEADER_END@
 */

#include <stdbool.h>
#include <os/base.h>
#include <os/object.h>
#include <kern/assert.h>

/*
 * Lifecycle of OSLog handles, tracked by os_retain() and os_release(), is that
 * they are allocated and then never freed. Therefore, there is no need for
 * reference counting.
 */

void*
os_retain(void *obj)
{
	return obj;
}

void
os_release(void *obj __unused)
{
}