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