| 1 | /*===---- stdnoreturn.h - Standard header for noreturn macro ---------------=== |
| 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 | |
| 10 | #ifndef __STDNORETURN_H |
| 11 | #define __STDNORETURN_H |
| 12 | |
| 13 | #if defined(__MVS__) && __has_include_next(<stdnoreturn.h>) |
| 14 | #include_next <stdnoreturn.h> |
| 15 | #else |
| 16 | |
| 17 | #define noreturn _Noreturn |
| 18 | #define __noreturn_is_defined 1 |
| 19 | |
| 20 | #endif /* __MVS__ */ |
| 21 | |
| 22 | #if (defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L) && \ |
| 23 | !defined(_CLANG_DISABLE_CRT_DEPRECATION_WARNINGS) |
| 24 | /* The noreturn macro is deprecated in C23. We do not mark it as such because |
| 25 | including the header file in C23 is also deprecated and we do not want to |
| 26 | issue a confusing diagnostic for code which includes <stdnoreturn.h> |
| 27 | followed by code that writes [[noreturn]]. The issue with such code is not |
| 28 | with the attribute, or the use of 'noreturn', but the inclusion of the |
| 29 | header. */ |
| 30 | /* FIXME: We should be issuing a deprecation warning here, but cannot yet due |
| 31 | * to system headers which include this header file unconditionally. |
| 32 | */ |
| 33 | #endif |
| 34 | |
| 35 | #endif /* __STDNORETURN_H */ |