1//===----------------------- config_elast.h -------------------------------===// 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 _LIBCPP_CONFIG_ELAST 10#define _LIBCPP_CONFIG_ELAST 11 12#include <__config> 13 14#if defined(_LIBCPP_MSVCRT_LIKE) 15#include <stdlib.h> 16#else 17#include <errno.h> 18#endif 19 20#if defined(ELAST) 21#define _LIBCPP_ELAST ELAST 22#elif defined(_NEWLIB_VERSION) 23#define _LIBCPP_ELAST __ELASTERROR 24#elif defined(__Fuchsia__) 25// No _LIBCPP_ELAST needed on Fuchsia 26#elif defined(__wasi__) 27// No _LIBCPP_ELAST needed on WASI 28#elif defined(__linux__) || defined(_LIBCPP_HAS_MUSL_LIBC) 29#define _LIBCPP_ELAST 4095 30#elif defined(__APPLE__) 31// No _LIBCPP_ELAST needed on Apple 32#elif defined(__sun__) 33#define _LIBCPP_ELAST ESTALE 34#elif defined(_LIBCPP_MSVCRT_LIKE) 35#define _LIBCPP_ELAST (_sys_nerr - 1) 36#else 37// Warn here so that the person doing the libcxx port has an easier time: 38#warning ELAST for this platform not yet implemented 39#endif 40 41#endif // _LIBCPP_CONFIG_ELAST 42