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Comparing libev/ev_win32.c (file contents):
Revision 1.6 by root, Fri Jun 20 23:31:19 2008 UTC vs.
Revision 1.15 by root, Sun Feb 19 02:03:11 2012 UTC

1/* 1/*
2 * libev win32 compatibility cruft (_not_ a backend) 2 * libev win32 compatibility cruft (_not_ a backend)
3 * 3 *
4 * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007,2008,2009 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * Redistribution and use in source and binary forms, with or without modifica- 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met: 8 * tion, are permitted provided that the following conditions are met:
9 * 9 *
10 * 1. Redistributions of source code must retain the above copyright notice, 10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
12 * 12 *
13 * 2. Redistributions in binary form must reproduce the above copyright 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution. 15 * documentation and/or other materials provided with the distribution.
16 * 16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
… …
44 44
45/* note: the comment below could not be substantiated, but what would I care */ 45/* note: the comment below could not be substantiated, but what would I care */
46/* MSDN says this is required to handle SIGFPE */ 46/* MSDN says this is required to handle SIGFPE */
47/* my wild guess would be that using something floating-pointy is required */ 47/* my wild guess would be that using something floating-pointy is required */
48/* for the crt to do something about it */ 48/* for the crt to do something about it */
49volatile double SIGFPE_REQ = 0.0f; 49volatile double SIGFPE_REQ = 0.0f;
50
51static SOCKET
52ev_tcp_socket (void)
53{
54#if EV_USE_WSASOCKET
55 return WSASocket (AF_INET, SOCK_STREAM, 0, 0, 0, 0);
56#else
57 return socket (AF_INET, SOCK_STREAM, 0);
58#endif
59}
50 60
51/* oh, the humanity! */ 61/* oh, the humanity! */
52static int 62static int
53ev_pipe (int filedes [2]) 63ev_pipe (int filedes [2])
54{ 64{
55 struct sockaddr_in addr = { 0 }; 65 struct sockaddr_in addr = { 0 };
56 int addr_size = sizeof (addr); 66 int addr_size = sizeof (addr);
67 struct sockaddr_in adr2;
68 int adr2_size = sizeof (adr2);
57 SOCKET listener; 69 SOCKET listener;
58 SOCKET sock [2] = { -1, -1 }; 70 SOCKET sock [2] = { -1, -1 };
59 71
60 if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) 72 if ((listener = ev_tcp_socket ()) == INVALID_SOCKET)
61 return -1; 73 return -1;
62 74
63 addr.sin_family = AF_INET; 75 addr.sin_family = AF_INET;
64 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); 76 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
65 addr.sin_port = 0; 77 addr.sin_port = 0;
66 78
67 if (bind (listener, (struct sockaddr *)&addr, addr_size)) 79 if (bind (listener, (struct sockaddr *)&addr, addr_size))
68 goto fail; 80 goto fail;
69 81
70 if (getsockname(listener, (struct sockaddr *)&addr, &addr_size)) 82 if (getsockname (listener, (struct sockaddr *)&addr, &addr_size))
71 goto fail; 83 goto fail;
72 84
73 if (listen (listener, 1)) 85 if (listen (listener, 1))
74 goto fail; 86 goto fail;
75 87
76 if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) 88 if ((sock [0] = ev_tcp_socket ()) == INVALID_SOCKET)
77 goto fail; 89 goto fail;
78 90
79 if (connect (sock[0], (struct sockaddr *)&addr, addr_size)) 91 if (connect (sock [0], (struct sockaddr *)&addr, addr_size))
80 goto fail; 92 goto fail;
81 93
82 if ((sock[1] = accept (listener, 0, 0)) < 0) 94 if ((sock [1] = accept (listener, 0, 0)) < 0)
95 goto fail;
96
97 /* windows vista returns fantasy port numbers for sockets:
98 * example for two interconnected tcp sockets:
99 *
100 * (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364
101 * (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363
102 * (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363
103 * (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365
104 *
105 * wow! tridirectional sockets!
106 *
107 * this way of checking ports seems to work:
108 */
109 if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size))
110 goto fail;
111
112 if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size))
113 goto fail;
114
115 errno = WSAEINVAL;
116 if (addr_size != adr2_size
117 || addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */
118 || addr.sin_port != adr2.sin_port)
83 goto fail; 119 goto fail;
84 120
85 closesocket (listener); 121 closesocket (listener);
86 122
87#if EV_SELECT_IS_WINSOCKET 123#if EV_SELECT_IS_WINSOCKET
88 filedes [0] = _open_osfhandle (sock [0], 0); 124 filedes [0] = EV_WIN32_HANDLE_TO_FD (sock [0]);
89 filedes [1] = _open_osfhandle (sock [1], 0); 125 filedes [1] = EV_WIN32_HANDLE_TO_FD (sock [1]);
90#else 126#else
91 /* when select isn't winsocket, we also expect socket, connect, accept etc. 127 /* when select isn't winsocket, we also expect socket, connect, accept etc.
92 * to work on fds */ 128 * to work on fds */
93 filedes [0] = sock [0]; 129 filedes [0] = sock [0];
94 filedes [1] = sock [1]; 130 filedes [1] = sock [1];
… …
105 return -1; 141 return -1;
106} 142}
107 143
108#undef pipe 144#undef pipe
109#define pipe(filedes) ev_pipe (filedes) 145#define pipe(filedes) ev_pipe (filedes)
146
147#define EV_HAVE_EV_TIME 1
148ev_tstamp
149ev_time (void)
150{
151 FILETIME ft;
152 ULARGE_INTEGER ui;
110 153
111static int 154 GetSystemTimeAsFileTime (&ft);
112ev_gettimeofday (struct timeval *tv, struct timezone *tz) 155 ui.u.LowPart = ft.dwLowDateTime;
113{ 156 ui.u.HighPart = ft.dwHighDateTime;
114 struct _timeb tb;
115 157
116 _ftime (&tb); 158 /* msvc cannot convert ulonglong to double... yes, it is that sucky */
117 159 return (LONGLONG)(ui.QuadPart - 116444736000000000) * 1e-7;
118 tv->tv_sec = (long)tb.time;
119 tv->tv_usec = ((long)tb.millitm) * 1000;
120
121 return 0;
122} 160}
123
124#undef gettimeofday
125#define gettimeofday(tv,tz) ev_gettimeofday (tv, tz)
126 161
127#endif 162#endif
128 163

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