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 | |