src/resolver_internal.h

   1 /*
   2  * Copyright (c) 2015 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_APACHE_LICENSE_HEADER_START@
   5  *
   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
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  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.
  17  *
  18  * @APPLE_APACHE_LICENSE_HEADER_END@
  19  */
  20
  21 #ifndef __PTHREAD_RESOLVER_INTERNAL_H__
  22 #define __PTHREAD_RESOLVER_INTERNAL_H__
  23
  24 #include <os/base.h>
  25 #include <TargetConditionals.h>
  26 #include <machine/cpu_capabilities.h>
  27 #if defined(__arm__)
  28 #include <arm/arch.h>
  29 #endif
  30
  31 // XXX <rdar://problem/24290376> eOS version of libpthread doesn't have UP optimizations
  32 #if !defined(VARIANT_STATIC) && \
  33      defined(_ARM_ARCH_7) && !defined(__ARM_ARCH_7S__)
  34
  35 #if OS_ATOMIC_UP
  36 #define OS_VARIANT_SELECTOR up
  37 #else
  38 #define OS_VARIANT_SELECTOR mp
  39 #endif
  40
  41 #endif // !VARIANT_STATIC && _ARM_ARCH_7 && !__ARM_ARCH_7S__
  42
  43 #define OS_VARIANT(f, v) OS_CONCAT(f, OS_CONCAT($VARIANT$, v))
  44
  45 #ifdef OS_VARIANT_SELECTOR
  46 #define PTHREAD_NOEXPORT_VARIANT  PTHREAD_NOEXPORT
  47 #else
  48 #define PTHREAD_NOEXPORT_VARIANT
  49 #endif
  50
  51 #endif // __PTHREAD_RESOLVER_H__