1 //===-- Common definitions for LLVM-libc public header files --------------===// 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 LLVM_LIBC_COMMON_H 10 #define LLVM_LIBC_COMMON_H 11 12 #ifdef __cplusplus 13 14 #undef __BEGIN_C_DECLS 15 #define __BEGIN_C_DECLS extern "C" { 16 17 #undef __END_C_DECLS 18 #define __END_C_DECLS } 19 20 #undef _Noreturn 21 #define _Noreturn [[noreturn]] 22 23 #undef _Alignas 24 #define _Alignas alignas 25 26 #undef _Static_assert 27 #define _Static_assert static_assert 28 29 #undef _Alignof 30 #define _Alignof alignof 31 32 #undef _Thread_local 33 #define _Thread_local thread_local 34 35 #undef __NOEXCEPT 36 #define __NOEXCEPT noexcept 37 38 #else // not __cplusplus 39 40 #undef __BEGIN_C_DECLS 41 #define __BEGIN_C_DECLS 42 43 #undef __END_C_DECLS 44 #define __END_C_DECLS 45 46 #undef __restrict 47 #define __restrict restrict // C99 and above support the restrict keyword. 48 49 #undef __NOEXCEPT 50 #define __NOEXCEPT 51 52 #endif // __cplusplus 53 54 #endif // LLVM_LIBC_COMMON_H 55