2  * Copyright (c) 2015 Apple Inc. All rights reserved. 
   4  * @APPLE_APACHE_LICENSE_HEADER_START@ 
   6  * Licensed under the Apache License, Version 2.0 (the "License"); 
   7  * you may not use this file except in compliance with the License. 
   8  * You may obtain a copy of the License at 
  10  *     http://www.apache.org/licenses/LICENSE-2.0 
  12  * Unless required by applicable law or agreed to in writing, software 
  13  * distributed under the License is distributed on an "AS IS" BASIS, 
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
  15  * See the License for the specific language governing permissions and 
  16  * limitations under the License. 
  18  * @APPLE_APACHE_LICENSE_HEADER_END@ 
  21 #define OS_ATOMIC_UP 1 
  22 #include "resolver_internal.h" 
  24 #ifdef OS_VARIANT_SELECTOR 
  25 #define OS_UP_VARIANT_ONLY 1 
  26 #include "pthread_mutex.c" 
  29 struct _os_empty_files_are_not_c_files
;