xref: /netbsd-src/tests/kernel/kqueue/t_oneshot.c (revision 4e78a8a8afb5e1688a619050b16e83c0b4467194)
1 /* $NetBSD: t_oneshot.c,v 1.1 2021/10/23 18:46:26 thorpej Exp $ */
2 
3 /*-
4  * Copyright (c) 2021 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 CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: t_oneshot.c,v 1.1 2021/10/23 18:46:26 thorpej Exp $");
31 
32 #include <sys/types.h>
33 #include <sys/event.h>
34 #include <errno.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <time.h>
38 #include <unistd.h>
39 
40 #include <atf-c.h>
41 
42 #define	MY_UDATA	((void *)0xbeefcafe)
43 
44 ATF_TC(oneshot_udata);
ATF_TC_HEAD(oneshot_udata,tc)45 ATF_TC_HEAD(oneshot_udata, tc)
46 {
47 	atf_tc_set_md_var(tc, "descr",
48 	    "tests that udata is round-tripped correctly for ONESHOT events.");
49 }
50 
ATF_TC_BODY(oneshot_udata,tc)51 ATF_TC_BODY(oneshot_udata, tc)
52 {
53 	struct kevent event[1];
54 	int kq;
55 
56 	ATF_REQUIRE((kq = kqueue()) >= 0);
57 
58 	EV_SET(&event[0], 1, EVFILT_TIMER, EV_ADD | EV_ONESHOT, 0, 1, MY_UDATA);
59 
60 	ATF_REQUIRE(kevent(kq, event, 1, NULL, 0, NULL) == 0);
61 	memset(event, 0, sizeof(event));
62 	ATF_REQUIRE(kevent(kq, NULL, 0, event, 1, NULL) == 1);
63 	ATF_REQUIRE(event[0].ident == 1);
64 	ATF_REQUIRE(event[0].data == 1);
65 	ATF_REQUIRE(event[0].udata == MY_UDATA);
66 }
67 
ATF_TP_ADD_TCS(tp)68 ATF_TP_ADD_TCS(tp)
69 {
70 	ATF_TP_ADD_TC(tp, oneshot_udata);
71 
72 	return atf_no_error();
73 }
74