1 /* $NetBSD: h_inotify_init.c,v 1.1 2023/08/19 22:56:44 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2023 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Theodore Preduta.
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 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: h_inotify_init.c,v 1.1 2023/08/19 22:56:44 christos Exp $");
33
34 #include "h_linux.h"
35
36 #include <compat/linux/linux_syscall.h>
37 #include <compat/linux/common/linux_errno.h>
38 #include <compat/linux/common/linux_fcntl.h>
39 #include <compat/linux/common/linux_inotify.h>
40
41 void
_start(void)42 _start(void)
43 {
44 int fd;
45
46 /* Check that none of CLOEXEC or NONBLOCK are set. */
47 RS(fd = syscall(LINUX_SYS_inotify_init));
48 REQUIRE(fcntl(fd, LINUX_F_GETFD) == 0);
49 REQUIRE((fcntl(fd, LINUX_F_GETFL) & LINUX_O_NONBLOCK) == 0);
50 RS(close(fd));
51
52 /* Check that only NONBLOCK is set. */
53 RS(fd = syscall(LINUX_SYS_inotify_init1, LINUX_IN_NONBLOCK));
54 REQUIRE(fcntl(fd, LINUX_F_GETFD) == 0);
55 REQUIRE((fcntl(fd, LINUX_F_GETFL) & LINUX_O_NONBLOCK) != 0);
56 RS(close(fd));
57
58 /* Check that only CLOEXEC is set. */
59 RS(fd = syscall(LINUX_SYS_inotify_init1, LINUX_IN_CLOEXEC));
60 REQUIRE(fcntl(fd, LINUX_F_GETFD) != 0);
61 REQUIRE((fcntl(fd, LINUX_F_GETFL) & LINUX_O_NONBLOCK) == 0);
62 RS(close(fd));
63
64 exit(0);
65 }
66