test-weof.c revision 290001 
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
58evutil_socket_t pair[2];
59int test_okay = 1;
60int called = 0;
61
62static void
63write_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
83int
84main(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
118