1 /*
2 * Copyright (c) 2002-2007 Niels Provos <provos@citi.umich.edu>
3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #include "event2/event-config.h"
28
29 #ifdef WIN32
30 #include <winsock2.h>
31 #else
32 #include <unistd.h>
33 #endif
34 #include <sys/types.h>
35 #include <sys/stat.h>
36 #ifdef _EVENT_HAVE_SYS_TIME_H
37 #include <sys/time.h>
38 #endif
39 #ifdef _EVENT_HAVE_SYS_SOCKET_H
40 #include <sys/socket.h>
41 #endif
42 #include <fcntl.h>
43 #include <stdlib.h>
44 #include <stdio.h>
45 #include <string.h>
46 #include <signal.h>
47 #include <errno.h>
48
49 #include "event2/event.h"
50 #include "event2/event_struct.h"
51 #include "event2/event_compat.h"
52 #include "event2/util.h"
53
54 #ifdef _EVENT___func__
55 #define __func__ _EVENT___func__
56 #endif
57
58 evutil_socket_t pair[2];
59 int test_okay = 1;
60 int called = 0;
61
62 static void
63 write_cb(evutil_socket_t fd, short event, void *arg)
64 {
65 const char *test = "test string";
66 int len;
67
68 len = send(fd, test, (int)strlen(test) + 1, 0);
69
70 printf("%s: write %d%s\n", __func__,
71 len, len ? "" : " - means EOF");
72
73 if (len > 0) {
74 if (!called)
75 event_add(arg, NULL);
76 evutil_closesocket(pair[0]);
77 } else if (called == 1)
78 test_okay = 0;
79
80 called++;
81 }
82
83 int
84 main(int argc, char **argv)
85 {
86 struct event ev;
87
88 #ifdef WIN32
89 WORD wVersionRequested;
90 WSADATA wsaData;
91
92 wVersionRequested = MAKEWORD(2, 2);
93
94 (void) WSAStartup(wVersionRequested, &wsaData);
95 #endif
96
97 #ifndef WIN32
98 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
99 return (1);
100 #endif
101
102 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
103 return (1);
104
105 /* Initalize the event library */
106 event_init();
107
108 /* Initalize one event */
109 event_set(&ev, pair[1], EV_WRITE, write_cb, &ev);
110
111 event_add(&ev, NULL);
112
113 event_dispatch();
114
115 return (test_okay);
116 }
117