xref: /freebsd/contrib/llvm-project/libcxx/src/include/config_elast.h (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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