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
37namespace zmq
38{
39#ifdef ZMQ_HAVE_WINDOWS
40#if defined _MSC_VER && _MSC_VER <= 1400
41///< \todo zmq.h uses SOCKET unconditionally, so probably VS versions before
42/// VS2008 are unsupported anyway. Apart from that, this seems to depend on
43/// the Windows SDK version rather than the VS version.
44typedef UINT_PTR fd_t;
45enum
46{
47 retired_fd = (fd_t) (~0)
48};
49#else
50typedef SOCKET fd_t;
51enum
52#if _MSC_VER >= 1800
53 : fd_t
54#endif
55{
56 retired_fd = INVALID_SOCKET
57};
58#endif
59#else
60typedef int fd_t;
61enum
62{
63 retired_fd = -1
64};
65#endif
66}
67#endif
68