1 /* $NetBSD: t_file2.c,v 1.4 2017/01/13 21:30:41 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2002, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jaromir Dolecek.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __COPYRIGHT("@(#) Copyright (c) 2008\
34 The NetBSD Foundation, inc. All rights reserved.");
35 __RCSID("$NetBSD: t_file2.c,v 1.4 2017/01/13 21:30:41 christos Exp $");
36
37 #include <sys/event.h>
38
39 #include <fcntl.h>
40 #include <unistd.h>
41
42 #include <atf-c.h>
43
44 #include "h_macros.h"
45
46 ATF_TC(file2);
ATF_TC_HEAD(file2,tc)47 ATF_TC_HEAD(file2, tc)
48 {
49 atf_tc_set_md_var(tc, "descr",
50 "Checks EVFILT_READ for regular files. This test used to "
51 "trigger deadlock caused by problem fixed in revision 1.79.2.10 "
52 "of sys/kern/kern_descrip.c");
53 }
ATF_TC_BODY(file2,tc)54 ATF_TC_BODY(file2, tc)
55 {
56 int fd1, fd2, kq;
57 struct kevent event[1];
58
59 RL(fd1 = open("afile", O_RDONLY|O_CREAT, 0644));
60 RL(fd2 = open("bfile", O_RDONLY|O_CREAT, 0644));
61
62 #if 1 /* XXX: why was this disabled? */
63 RL(lseek(fd1, 0, SEEK_END));
64 #endif
65
66 RL(kq = kqueue());
67
68 EV_SET(&event[0], fd1, EVFILT_READ, EV_ADD|EV_ENABLE, 0, 0, 0);
69 RL(kevent(kq, event, 1, NULL, 0, NULL));
70
71 RL(dup2(fd2, fd1));
72 }
73
ATF_TP_ADD_TCS(tp)74 ATF_TP_ADD_TCS(tp)
75 {
76 ATF_TP_ADD_TC(tp, file2);
77
78 return atf_no_error();
79 }
80