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Comparing libev/ev_win32.c (file contents):
Revision 1.2 by root, Mon Nov 12 00:31:08 2007 UTC vs.
Revision 1.18 by root, Thu Nov 12 07:02:37 2015 UTC

1/* 1/*
2 * libev win32 compatibility cruft 2 * libev win32 compatibility cruft (_not_ a backend)
3 * 3 *
4 * Copyright (c) 2007 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 7 * Redistribution and use in source and binary forms, with or without modifica-
8 * modification, are permitted provided that the following conditions are 8 * tion, are permitted provided that the following conditions are met:
9 * met:
10 * 9 *
11 * * Redistributions of source code must retain the above copyright 10 * 1. Redistributions of source code must retain the above copyright notice,
12 * notice, this list of conditions and the following disclaimer. 11 * this list of conditions and the following disclaimer.
13 * 12 *
14 * * Redistributions in binary form must reproduce the above 13 * 2. Redistributions in binary form must reproduce the above copyright
15 * copyright notice, this list of conditions and the following 14 * notice, this list of conditions and the following disclaimer in the
16 * disclaimer in the documentation and/or other materials provided 15 * documentation and/or other materials provided with the distribution.
17 * with the distribution.
18 * 16 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Alternatively, the contents of this file may be used under the terms of
29 * the GNU General Public License ("GPL") version 2 or any later version,
30 * in which case the provisions of the GPL are applicable instead of
31 * the above. If you wish to allow the use of your version of this file
32 * only under the terms of the GPL and not to allow others to use your
33 * version of this file under the BSD license, indicate your decision
34 * by deleting the provisions above and replace them with the notice
35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL.
30 */ 38 */
31 39
32#ifdef _WIN32 40#ifdef _WIN32
33 41
34#include <sys/timeb.h>
35
36/* note: the comment below could not be substantiated, but what would I care */ 42/* note: the comment below could not be substantiated, but what would I care */
37/* MSDN says this is required to handle SIGFPE */ 43/* MSDN says this is required to handle SIGFPE */
44/* my wild guess would be that using something floating-pointy is required */
45/* for the crt to do something about it */
38volatile double SIGFPE_REQ = 0.0f; 46volatile double SIGFPE_REQ = 0.0f;
47
48static SOCKET
49ev_tcp_socket (void)
50{
51#if EV_USE_WSASOCKET
52 return WSASocket (AF_INET, SOCK_STREAM, 0, 0, 0, 0);
53#else
54 return socket (AF_INET, SOCK_STREAM, 0);
55#endif
56}
39 57
40/* oh, the humanity! */ 58/* oh, the humanity! */
41static int 59static int
42ev_pipe (int filedes [2]) 60ev_pipe (int filedes [2])
43{ 61{
44 struct sockaddr_in addr = { 0 }; 62 struct sockaddr_in addr = { 0 };
45 int addr_size = sizeof (addr); 63 int addr_size = sizeof (addr);
64 struct sockaddr_in adr2;
65 int adr2_size = sizeof (adr2);
46 SOCKET listener; 66 SOCKET listener;
47 SOCKET sock [2] = { -1, -1 }; 67 SOCKET sock [2] = { -1, -1 };
48 68
49 if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) 69 if ((listener = ev_tcp_socket ()) == INVALID_SOCKET)
50 return -1; 70 return -1;
51 71
52 addr.sin_family = AF_INET; 72 addr.sin_family = AF_INET;
53 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); 73 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
54 addr.sin_port = 0; 74 addr.sin_port = 0;
55 75
56 if (bind (listener, (struct sockaddr *)&addr, addr_size)) 76 if (bind (listener, (struct sockaddr *)&addr, addr_size))
57 goto fail; 77 goto fail;
58 78
59 if (getsockname(listener, (struct sockaddr *)&addr, &addr_size)) 79 if (getsockname (listener, (struct sockaddr *)&addr, &addr_size))
60 goto fail; 80 goto fail;
61 81
62 if (listen (listener, 1)) 82 if (listen (listener, 1))
63 goto fail; 83 goto fail;
64 84
65 if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) 85 if ((sock [0] = ev_tcp_socket ()) == INVALID_SOCKET)
66 goto fail; 86 goto fail;
67 87
68 if (connect (sock[0], (struct sockaddr *)&addr, addr_size)) 88 if (connect (sock [0], (struct sockaddr *)&addr, addr_size))
69 goto fail; 89 goto fail;
70 90
91 /* TODO: returns INVALID_SOCKET on winsock accept, not < 0. fix it */
92 /* when convenient, probably by just removing error checking altogether? */
71 if ((sock[1] = accept (listener, 0, 0)) < 0) 93 if ((sock [1] = accept (listener, 0, 0)) < 0)
94 goto fail;
95
96 /* windows vista returns fantasy port numbers for sockets:
97 * example for two interconnected tcp sockets:
98 *
99 * (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364
100 * (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363
101 * (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363
102 * (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365
103 *
104 * wow! tridirectional sockets!
105 *
106 * this way of checking ports seems to work:
107 */
108 if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size))
109 goto fail;
110
111 if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size))
112 goto fail;
113
114 errno = WSAEINVAL;
115 if (addr_size != adr2_size
116 || addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */
117 || addr.sin_port != adr2.sin_port)
72 goto fail; 118 goto fail;
73 119
74 closesocket (listener); 120 closesocket (listener);
75 121
122#if EV_SELECT_IS_WINSOCKET
123 filedes [0] = EV_WIN32_HANDLE_TO_FD (sock [0]);
124 filedes [1] = EV_WIN32_HANDLE_TO_FD (sock [1]);
125#else
126 /* when select isn't winsocket, we also expect socket, connect, accept etc.
127 * to work on fds */
76 filedes [0] = sock [0]; 128 filedes [0] = sock [0];
77 filedes [1] = sock [1]; 129 filedes [1] = sock [1];
130#endif
78 131
79 return 0; 132 return 0;
80 133
81fail: 134fail:
82 closesocket (listener); 135 closesocket (listener);
… …
88} 141}
89 142
90#undef pipe 143#undef pipe
91#define pipe(filedes) ev_pipe (filedes) 144#define pipe(filedes) ev_pipe (filedes)
92 145
93static int 146#define EV_HAVE_EV_TIME 1
94ev_gettimeofday (struct timeval *tv, struct timezone *tz) 147ev_tstamp
148ev_time (void)
95{ 149{
96 struct _timeb tb; 150 FILETIME ft;
151 ULARGE_INTEGER ui;
97 152
98 _ftime (&tb); 153 GetSystemTimeAsFileTime (&ft);
154 ui.u.LowPart = ft.dwLowDateTime;
155 ui.u.HighPart = ft.dwHighDateTime;
99 156
100 tv->tv_sec = (long)tb.time; 157 /* msvc cannot convert ulonglong to double... yes, it is that sucky */
101 tv->tv_usec = ((long)tb.millitm) * 1000; 158 return (LONGLONG)(ui.QuadPart - 116444736000000000) * 1e-7;
102
103 return 0;
104} 159}
105
106#undef gettimeofday
107#define gettimeofday(tv,tz) ev_gettimeofday (tv, tz)
108 160
109#endif 161#endif
110 162

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