dd33f9cdef
With modern architectures having a thread pointer and language supporting thread locals, there is no reason to use a function intermediary to access the thread local errno value. The entrypoint corresponding to errno has been replaced with an object library as there is no formal entrypoint for errno anymore. Reviewed By: jeffbailey, michaelrj Differential Revision: https://reviews.llvm.org/D120920
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
//===-- Common definitions for LLVM-libc public header files --------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC___COMMON_H
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#define LLVM_LIBC___COMMON_H
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#ifdef __cplusplus
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#undef __BEGIN_C_DECLS
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#define __BEGIN_C_DECLS extern "C" {
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#undef __END_C_DECLS
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#define __END_C_DECLS }
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#undef _Noreturn
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#define _Noreturn [[noreturn]]
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#undef _Alignas
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#define _Alignas alignas
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#undef _Static_assert
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#define _Static_assert static_assert
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#undef _Alignof
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#define _Alignof alignof
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#undef _Thread_local
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#define _Thread_local thread_local
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#else // not __cplusplus
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#undef __BEGIN_C_DECLS
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#define __BEGIN_C_DECLS
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#undef __END_C_DECLS
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#define __END_C_DECLS
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#undef __restrict
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#define __restrict restrict // C99 and above support the restrict keyword.
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#endif // __cplusplus
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#endif // LLVM_LIBC___COMMON_H
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