h_client.c revision b429a2bfd1380c777b9d59e54e17886b3855073e
1/*	$NetBSD: h_client.c,v 1.8 2012/04/20 05:15:11 jruoho Exp $	*/
2
3/*
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/types.h>
31#include <sys/poll.h>
32#include <sys/select.h>
33
34#include <err.h>
35#include <errno.h>
36#include <fcntl.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <string.h>
40#include <unistd.h>
41
42int
43main(int argc, char *argv[])
44{
45
46	if (argc != 2) {
47		errx(1, "need testname as param");
48	}
49
50	if (strcmp(argv[1], "select_timeout") == 0) {
51		fd_set rfds;
52		struct timeval tv;
53		int pipefd[2];
54		int rv;
55
56		tv.tv_sec = 0;
57		tv.tv_usec = 1;
58
59		if (pipe(pipefd) == -1)
60			err(EXIT_FAILURE, "pipe");
61		FD_ZERO(&rfds);
62		FD_SET(pipefd[0], &rfds);
63
64		rv = select(pipefd[0]+1, &rfds, NULL, NULL, &tv);
65		if (rv == -1)
66			err(EXIT_FAILURE, "select");
67		if (rv != 0)
68			errx(EXIT_FAILURE, "select succesful");
69
70		if (FD_ISSET(pipefd[0], &rfds))
71			errx(EXIT_FAILURE, "stdin fileno is still set");
72		return EXIT_SUCCESS;
73	} else if (strcmp(argv[1], "select_allunset") == 0) {
74		fd_set fds;
75		struct timeval tv;
76		int rv;
77
78		tv.tv_sec = 0;
79		tv.tv_usec = 1;
80
81		FD_ZERO(&fds);
82
83		rv = select(100, &fds, &fds, &fds, &tv);
84		if (rv == -1)
85			err(EXIT_FAILURE, "select");
86		if (rv != 0)
87			errx(EXIT_FAILURE, "select succesful");
88
89		rv = select(0, NULL, NULL, NULL, &tv);
90		if (rv == -1)
91			err(EXIT_FAILURE, "select2");
92		if (rv != 0)
93			errx(EXIT_FAILURE, "select2 succesful");
94
95		return EXIT_SUCCESS;
96	} else if (strcmp(argv[1], "invafd") == 0) {
97		struct pollfd pfd[2];
98		int fd, rv;
99
100		fd = open("/rump/dev/null", O_RDWR);
101		if (fd == -1)
102			err(EXIT_FAILURE, "open");
103		close(fd);
104
105		pfd[0].fd = STDIN_FILENO;
106		pfd[0].events = POLLIN;
107		pfd[1].fd = fd;
108		pfd[1].events = POLLIN;
109
110		if ((rv = poll(pfd, 2, INFTIM)) != 1)
111			errx(EXIT_FAILURE, "poll unexpected rv %d (%d)",
112			    rv, errno);
113		if (pfd[1].revents != POLLNVAL || pfd[0].revents != 0)
114			errx(EXIT_FAILURE, "poll unexpected revents");
115
116		return EXIT_SUCCESS;
117	} else if (strcmp(argv[1], "fdoff8") == 0) {
118
119		(void)closefrom(0);
120
121		int fd;
122
123		do {
124			if ((fd = open("/dev/null", O_RDWR)) == -1)
125				err(EXIT_FAILURE, "open1");
126		} while (fd < 7);
127		fd = open("/dev/null", O_RDWR);
128		if (fd != -1 || errno != ENFILE)
129			errx(EXIT_FAILURE, "unexpected fd8 %d %d", fd, errno);
130		if (fcntl(0, F_MAXFD) != 7)
131			errx(EXIT_FAILURE, "fd leak?");
132		if ((fd = open("/rump/dev/null", O_RDWR)) != 8)
133			errx(EXIT_FAILURE, "rump open %d %d", fd, errno);
134		return EXIT_SUCCESS;
135	} else {
136		return ENOTSUP;
137	}
138}
139