1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_CERRNO 11#define _LIBCPP_CERRNO 12 13/* 14 cerrno synopsis 15 16Macros: 17 18 EDOM 19 EILSEQ // C99 20 ERANGE 21 errno 22 23*/ 24 25#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) 26# include <__cxx03/cerrno> 27#else 28# include <__config> 29 30# include <errno.h> 31 32# ifndef _LIBCPP_ERRNO_H 33# error <cerrno> tried including <errno.h> but didn't find libc++'s <errno.h> header. \ 34 This usually means that your header search paths are not configured properly. \ 35 The header search paths should contain the C++ Standard Library headers before \ 36 any C Standard Library, and you are probably using compiler flags that make that \ 37 not be the case. 38# endif 39 40# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 41# pragma GCC system_header 42# endif 43 44// LWG3869 Deprecate std::errc constants related to UNIX STREAMS 45// 46// This LWG issue deprecates the POSIX macros ENODATA, ENOSR, ENOSTR, and ETIME. These were 47// deprecated in libc++ in https://github.com/llvm/llvm-project/pull/80542. 48// Based on the post commit feedback the macro are no longer deprecated. 49// Instead libc++ leaves the deprecation to the provider of errno.h. 50#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) 51 52#endif // _LIBCPP_CERRNO 53