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
55evutil_socket_t pair[2];
56int test_okay = 1;
57int called = 0;
58
59static void
60write_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
80int
81main(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