1 //===----------------------- config_elast.h -------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef _LIBCPP_CONFIG_ELAST
11 #define _LIBCPP_CONFIG_ELAST
12 
13 #if defined(_WIN32)
14 #include <stdlib.h>
15 #else
16 #include <errno.h>
17 #endif
18 
19 #if defined(ELAST)
20 #define _LIBCPP_ELAST ELAST
21 #elif defined(_NEWLIB_VERSION)
22 #define _LIBCPP_ELAST __ELASTERROR
23 #elif defined(__Fuchsia__)
24 // No _LIBCPP_ELAST needed on Fuchsia
25 #elif defined(__linux__)
26 #define _LIBCPP_ELAST 4095
27 #elif defined(__APPLE__)
28 // No _LIBCPP_ELAST needed on Apple
29 #elif defined(__sun__)
30 #define _LIBCPP_ELAST ESTALE
31 #elif defined(_WIN32)
32 #define _LIBCPP_ELAST _sys_nerr
33 #else
34 // Warn here so that the person doing the libcxx port has an easier time:
35 #warning ELAST for this platform not yet implemented
36 #endif
37 
38 #endif // _LIBCPP_CONFIG_ELAST
39