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