stdnoreturn.h (1316B) - Raw
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 */