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 "../util-internal.h"
28 #include "event2/event-config.h"
29
30 #ifdef _WIN32
31 #include <winsock2.h>
32 #else
33 #include <unistd.h>
34 #endif
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #ifdef EVENT__HAVE_SYS_TIME_H
38 #include <sys/time.h>
39 #endif
40 #ifdef EVENT__HAVE_SYS_SOCKET_H
41 #include <sys/socket.h>
42 #endif
43 #include <fcntl.h>
44 #include <stdlib.h>
45 #include <stdio.h>
46 #include <string.h>
47 #include <signal.h>
48 #include <errno.h>
49
50 #include "event2/event.h"
51 #include "event2/event_struct.h"
52 #include "event2/event_compat.h"
53 #include "event2/util.h"
54
55 evutil_socket_t pair[2];
56 int test_okay = 1;
57 int called = 0;
58
59 static void
write_cb(evutil_socket_t fd,short event,void * arg)60 write_cb(evutil_socket_t fd, short event, void *arg)
61 {
62 const char *test = "test string";
63 int len;
64
65 len = send(fd, test, (int)strlen(test) + 1, 0);
66
67 printf("%s: write %d%s\n", __func__,
68 len, len ? "" : " - means EOF");
69
70 if (len > 0) {
71 if (!called)
72 event_add(arg, NULL);
73 evutil_closesocket(pair[0]);
74 } else if (called == 1)
75 test_okay = 0;
76
77 called++;
78 }
79
80 int
main(int argc,char ** argv)81 main(int argc, char **argv)
82 {
83 struct event ev;
84
85 #ifdef _WIN32
86 WORD wVersionRequested;
87 WSADATA wsaData;
88
89 wVersionRequested = MAKEWORD(2, 2);
90
91 (void) WSAStartup(wVersionRequested, &wsaData);
92 #endif
93
94 #ifndef _WIN32
95 if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
96 return (1);
97 #endif
98
99 if (evutil_socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == -1)
100 return (1);
101
102 /* Initalize the event library */
103 event_init();
104
105 /* Initalize one event */
106 event_set(&ev, pair[1], EV_WRITE, write_cb, &ev);
107
108 event_add(&ev, NULL);
109
110 event_dispatch();
111
112 return (test_okay);
113 }
114
115