| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_CONFIG_ELAST |
| #define _LIBCPP_CONFIG_ELAST |
| |
| #include <__config> |
| |
| #if defined(_LIBCPP_MSVCRT_LIKE) |
| # include <stdlib.h> |
| #else |
| # include <errno.h> |
| #endif |
| |
| // Note: _LIBCPP_ELAST needs to be defined only on platforms |
| // where strerror/strerror_r can't handle out-of-range errno values. |
| #if defined(ELAST) |
| # define _LIBCPP_ELAST ELAST |
| #elif defined(_NEWLIB_VERSION) |
| # define _LIBCPP_ELAST __ELASTERROR |
| #elif defined(__NuttX__) |
| // No _LIBCPP_ELAST needed on NuttX |
| #elif defined(__Fuchsia__) |
| // No _LIBCPP_ELAST needed on Fuchsia |
| #elif defined(__wasi__) |
| // No _LIBCPP_ELAST needed on WASI |
| #elif defined(__EMSCRIPTEN__) |
| // No _LIBCPP_ELAST needed on Emscripten |
| #elif defined(__linux__) || defined(_LIBCPP_HAS_MUSL_LIBC) |
| # define _LIBCPP_ELAST 4095 |
| #elif defined(__APPLE__) |
| // No _LIBCPP_ELAST needed on Apple |
| #elif defined(__MVS__) |
| # define _LIBCPP_ELAST 1160 |
| #elif defined(_LIBCPP_MSVCRT_LIKE) |
| # define _LIBCPP_ELAST (_sys_nerr - 1) |
| #elif defined(_AIX) |
| # define _LIBCPP_ELAST 127 |
| #else |
| // Warn here so that the person doing the libcxx port has an easier time: |
| # warning ELAST for this platform not yet implemented |
| #endif |
| |
| #endif // _LIBCPP_CONFIG_ELAST |
