config_elast.h revision 314564 
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#include <__config>
14
15#if defined(_LIBCPP_MSVCRT)
16#include <stdlib.h>
17#else
18#include <errno.h>
19#endif
20
21#if defined(ELAST)
22#define _LIBCPP_ELAST ELAST
23#elif defined(_NEWLIB_VERSION)
24#define _LIBCPP_ELAST __ELASTERROR
25#elif defined(__Fuchsia__)
26// No _LIBCPP_ELAST needed on Fuchsia
27#elif defined(__linux__)
28#define _LIBCPP_ELAST 4095
29#elif defined(__APPLE__)
30// No _LIBCPP_ELAST needed on Apple
31#elif defined(__sun__)
32#define _LIBCPP_ELAST ESTALE
33#elif defined(_LIBCPP_MSVCRT)
34#define _LIBCPP_ELAST (_sys_nerr - 1)
35#else
36// Warn here so that the person doing the libcxx port has an easier time:
37#warning ELAST for this platform not yet implemented
38#endif
39
40#endif // _LIBCPP_CONFIG_ELAST
41