1 /* 2 Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file 3 4 This file is part of libzmq, the ZeroMQ core engine in C++. 5 6 libzmq is free software; you can redistribute it and/or modify it under 7 the terms of the GNU Lesser General Public License (LGPL) as published 8 by the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 As a special exception, the Contributors give you permission to link 12 this library with independent modules to produce an executable, 13 regardless of the license terms of these independent modules, and to 14 copy and distribute the resulting executable under terms of your choice, 15 provided that you also meet, for each linked independent module, the 16 terms and conditions of the license of that module. An independent 17 module is a module which is not derived from or based on this library. 18 If you modify this library, you must extend this exception to your 19 version of the library. 20 21 libzmq is distributed in the hope that it will be useful, but WITHOUT 22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 23 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 24 License for more details. 25 26 You should have received a copy of the GNU Lesser General Public License 27 along with this program. If not, see <http://www.gnu.org/licenses/>. 28 */ 29 30 #ifndef __ZMQ_FD_HPP_INCLUDED__ 31 #define __ZMQ_FD_HPP_INCLUDED__ 32 33 #if defined _WIN32 34 #include "windows.hpp" 35 #endif 36 37 namespace zmq 38 { 39 typedef zmq_fd_t fd_t; 40 41 #ifdef ZMQ_HAVE_WINDOWS 42 #if defined _MSC_VER && _MSC_VER <= 1400 43 enum 44 { 45 retired_fd = (fd_t) (~0) 46 }; 47 #else 48 enum 49 #if _MSC_VER >= 1800 50 : fd_t 51 #endif 52 { 53 retired_fd = INVALID_SOCKET 54 }; 55 #endif 56 #else 57 enum 58 { 59 retired_fd = -1 60 }; 61 #endif 62 } 63 #endif 64