projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| f67539c2 TL |
1 | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
| 2 | // This source code is licensed under both the GPLv2 (found in the | |
| 3 | // COPYING file in the root directory) and Apache 2.0 License | |
| 4 | // (found in the LICENSE.Apache file in the root directory). | |
| 5 | ||
| 6 | #pragma once | |
| 7 | ||
| 8 | #include <folly/CPortability.h> | |
| 9 | ||
| 10 | #if defined(__arm__) | |
| 11 | #define FOLLY_ARM 1 | |
| 12 | #else | |
| 13 | #define FOLLY_ARM 0 | |
| 14 | #endif | |
| 15 | ||
| 16 | #if defined(__x86_64__) || defined(_M_X64) | |
| 17 | #define FOLLY_X64 1 | |
| 18 | #else | |
| 19 | #define FOLLY_X64 0 | |
| 20 | #endif | |
| 21 | ||
| 22 | #if defined(__aarch64__) | |
| 23 | #define FOLLY_AARCH64 1 | |
| 24 | #else | |
| 25 | #define FOLLY_AARCH64 0 | |
| 26 | #endif | |
| 27 | ||
| 28 | #if defined(__powerpc64__) | |
| 29 | #define FOLLY_PPC64 1 | |
| 30 | #else | |
| 31 | #define FOLLY_PPC64 0 | |
| 32 | #endif | |
| 33 | ||
| 34 | #if defined(__has_builtin) | |
| 35 | #define FOLLY_HAS_BUILTIN(...) __has_builtin(__VA_ARGS__) | |
| 36 | #else | |
| 37 | #define FOLLY_HAS_BUILTIN(...) 0 | |
| 38 | #endif | |
| 39 | ||
| 40 | #if defined(__has_cpp_attribute) | |
| 41 | #if __has_cpp_attribute(nodiscard) | |
| 42 | #define FOLLY_NODISCARD [[nodiscard]] | |
| 43 | #endif | |
| 44 | #endif | |
| 45 | #if !defined FOLLY_NODISCARD | |
| 46 | #if defined(_MSC_VER) && (_MSC_VER >= 1700) | |
| 47 | #define FOLLY_NODISCARD _Check_return_ | |
| 48 | #elif defined(__GNUC__) | |
| 49 | #define FOLLY_NODISCARD __attribute__((__warn_unused_result__)) | |
| 50 | #else | |
| 51 | #define FOLLY_NODISCARD | |
| 52 | #endif | |
| 53 | #endif | |
| 54 | ||
| 55 | namespace folly { | |
| 56 | constexpr bool kIsArchArm = FOLLY_ARM == 1; | |
| 57 | constexpr bool kIsArchAmd64 = FOLLY_X64 == 1; | |
| 58 | constexpr bool kIsArchAArch64 = FOLLY_AARCH64 == 1; | |
| 59 | constexpr bool kIsArchPPC64 = FOLLY_PPC64 == 1; | |
| 60 | } // namespace folly | |
| 61 | ||
| 62 | namespace folly { | |
| 63 | #ifdef NDEBUG | |
| 64 | constexpr auto kIsDebug = false; | |
| 65 | #else | |
| 66 | constexpr auto kIsDebug = true; | |
| 67 | #endif | |
| 68 | } // namespace folly | |
| 69 | ||
| 70 | namespace folly { | |
| 71 | #if defined(_MSC_VER) | |
| 72 | constexpr bool kIsMsvc = true; | |
| 73 | #else | |
| 74 | constexpr bool kIsMsvc = false; | |
| 75 | #endif | |
| 76 | } // namespace folly | |
| 77 | ||
| 78 | namespace folly { | |
| 79 | #if FOLLY_SANITIZE_THREAD | |
| 80 | constexpr bool kIsSanitizeThread = true; | |
| 81 | #else | |
| 82 | constexpr bool kIsSanitizeThread = false; | |
| 83 | #endif | |
| 84 | } // namespace folly | |
| 20effc67 TL |
85 | |
| 86 | namespace folly { | |
| 87 | #if defined(__linux__) && !FOLLY_MOBILE | |
| 88 | constexpr auto kIsLinux = true; | |
| 89 | #else | |
| 90 | constexpr auto kIsLinux = false; | |
| 91 | #endif | |
| 92 | } // namespace folly |