1 /* $NetBSD: t_pslist.c,v 1.2 2019/12/01 15:28:20 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
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 /*
33 * XXX This is a limited test to make sure the operations behave as
34 * described on a sequential machine. It does nothing to test the
35 * pserialize-safety of any operations. The following definitions must
36 * be replaced in any parallel tests.
37 */
38
39 #define atomic_load_relaxed(p) (*(p))
40 #define atomic_load_acquire(p) (*(p))
41 #define atomic_load_consume(p) (*(p))
42 #define atomic_store_relaxed(p,v) (*(p) = (v))
43 #define atomic_store_release(p,v) (*(p) = (v))
44
45 #include <sys/pslist.h>
46
47 #include <atf-c.h>
48
49 ATF_TC(misc);
ATF_TC_HEAD(misc,tc)50 ATF_TC_HEAD(misc, tc)
51 {
52 atf_tc_set_md_var(tc, "descr", "pserialize-safe list tests");
53 }
ATF_TC_BODY(misc,tc)54 ATF_TC_BODY(misc, tc)
55 {
56 struct pslist_head h = PSLIST_INITIALIZER;
57 struct element {
58 unsigned i;
59 struct pslist_entry entry;
60 } elements[] = {
61 { .i = 0, .entry = PSLIST_ENTRY_INITIALIZER },
62 { .i = 1 },
63 { .i = 2 },
64 { .i = 3 },
65 { .i = 4 },
66 { .i = 5 },
67 { .i = 6 },
68 { .i = 7 },
69 };
70 struct element *element;
71 unsigned i;
72
73 /* Check PSLIST_INITIALIZER is destroyable. */
74 PSLIST_DESTROY(&h);
75 PSLIST_INIT(&h);
76
77 /* Check PSLIST_ENTRY_INITIALIZER is destroyable. */
78 PSLIST_ENTRY_DESTROY(&elements[0], entry);
79
80 for (i = 0; i < __arraycount(elements); i++)
81 PSLIST_ENTRY_INIT(&elements[i], entry);
82
83 PSLIST_WRITER_INSERT_HEAD(&h, &elements[4], entry);
84 PSLIST_WRITER_INSERT_BEFORE(&elements[4], &elements[2], entry);
85 PSLIST_WRITER_INSERT_BEFORE(&elements[4], &elements[3], entry);
86 PSLIST_WRITER_INSERT_BEFORE(&elements[2], &elements[1], entry);
87 PSLIST_WRITER_INSERT_HEAD(&h, &elements[0], entry);
88 PSLIST_WRITER_INSERT_AFTER(&elements[4], &elements[5], entry);
89 PSLIST_WRITER_INSERT_AFTER(&elements[5], &elements[7], entry);
90 PSLIST_WRITER_INSERT_AFTER(&elements[5], &elements[6], entry);
91
92 PSLIST_WRITER_REMOVE(&elements[0], entry);
93 ATF_CHECK(elements[0].entry.ple_next != NULL);
94 PSLIST_ENTRY_DESTROY(&elements[0], entry);
95
96 PSLIST_WRITER_REMOVE(&elements[4], entry);
97 ATF_CHECK(elements[4].entry.ple_next != NULL);
98 PSLIST_ENTRY_DESTROY(&elements[4], entry);
99
100 PSLIST_ENTRY_INIT(&elements[0], entry);
101 PSLIST_WRITER_INSERT_HEAD(&h, &elements[0], entry);
102
103 PSLIST_ENTRY_INIT(&elements[4], entry);
104 PSLIST_WRITER_INSERT_AFTER(&elements[3], &elements[4], entry);
105
106 i = 0;
107 PSLIST_WRITER_FOREACH(element, &h, struct element, entry) {
108 ATF_CHECK_EQ(i, element->i);
109 i++;
110 }
111 i = 0;
112 PSLIST_READER_FOREACH(element, &h, struct element, entry) {
113 ATF_CHECK_EQ(i, element->i);
114 i++;
115 }
116
117 while ((element = PSLIST_WRITER_FIRST(&h, struct element, entry))
118 != NULL) {
119 PSLIST_WRITER_REMOVE(element, entry);
120 PSLIST_ENTRY_DESTROY(element, entry);
121 }
122
123 PSLIST_DESTROY(&h);
124 }
125
ATF_TP_ADD_TCS(tp)126 ATF_TP_ADD_TCS(tp)
127 {
128
129 ATF_TP_ADD_TC(tp, misc);
130
131 return atf_no_error();
132 }
133