1 /* $NetBSD: t_call_once.c,v 1.1 2019/04/24 11:43:19 kamil Exp $ */
2
3 /*-
4 * Copyright (c) 2019 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Kamil Rytarowski.
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) 2019\
34 The NetBSD Foundation, inc. All rights reserved.");
35 __RCSID("$NetBSD: t_call_once.c,v 1.1 2019/04/24 11:43:19 kamil Exp $");
36
37 #include <threads.h>
38
39 #include <atf-c.h>
40
41 ATF_TC(call_once);
ATF_TC_HEAD(call_once,tc)42 ATF_TC_HEAD(call_once, tc)
43 {
44 atf_tc_set_md_var(tc, "descr", "Test C11 call_once(3)");
45 }
46
47 #define CO_THREADS 8
48
49 static int co_val;
50 static once_flag oflag = ONCE_FLAG_INIT;
51
52 static void
called_once(void)53 called_once(void)
54 {
55
56 ++co_val;
57 }
58
59 static int
co_func(void * arg __unused)60 co_func(void *arg __unused)
61 {
62
63 call_once(&oflag, called_once);
64
65 return 0;
66 }
67
ATF_TC_BODY(call_once,tc)68 ATF_TC_BODY(call_once, tc)
69 {
70 thrd_t t[CO_THREADS];
71 size_t i;
72
73 for (i = 0; i < CO_THREADS; i++) {
74 ATF_REQUIRE_EQ(thrd_create(&t[i], co_func, NULL), thrd_success);
75 }
76
77 for (i = 0; i < CO_THREADS; i++) {
78 ATF_REQUIRE_EQ(thrd_join(t[i], NULL), thrd_success);
79 }
80
81 ATF_REQUIRE_EQ(co_val, 1);
82 }
83
ATF_TP_ADD_TCS(tp)84 ATF_TP_ADD_TCS(tp)
85 {
86 ATF_TP_ADD_TC(tp, call_once);
87
88 return atf_no_error();
89 }
90