1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP_SRC_INCLUDE_APPLE_AVAILABILITY_H
10#define _LIBCPP_SRC_INCLUDE_APPLE_AVAILABILITY_H
11
12#if defined(__APPLE__)
13
14# if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
15# if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101500
16# define _LIBCPP_USE_ULOCK
17# endif
18# elif defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__)
19# if __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 130000
20# define _LIBCPP_USE_ULOCK
21# endif
22# elif defined(__ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__)
23# if __ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__ >= 130000
24# define _LIBCPP_USE_ULOCK
25# endif
26# elif defined(__ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__)
27# if __ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__ >= 60000
28# define _LIBCPP_USE_ULOCK
29# endif
30# endif // __ENVIRONMENT_.*_VERSION_MIN_REQUIRED__
31
32#endif // __APPLE__
33
34#endif // _LIBCPP_SRC_INCLUDE_APPLE_AVAILABILITY_H
35