t_ksem.c revision 1.1 1 1.1 thorpej /* $NetBSD: t_ksem.c,v 1.1 2019/02/03 03:20:24 thorpej Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*
4 1.1 thorpej * Copyright (c) 2019 The NetBSD Foundation, Inc.
5 1.1 thorpej * All rights reserved.
6 1.1 thorpej *
7 1.1 thorpej * Redistribution and use in source and binary forms, with or without
8 1.1 thorpej * modification, are permitted provided that the following conditions
9 1.1 thorpej * are met:
10 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
11 1.1 thorpej * notice, this list of conditions and the following disclaimer.
12 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
14 1.1 thorpej * documentation and/or other materials provided with the distribution.
15 1.1 thorpej *
16 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 1.1 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 1.1 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 1.1 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 1.1 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 1.1 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 1.1 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 1.1 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 1.1 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 1.1 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 1.1 thorpej * POSSIBILITY OF SUCH DAMAGE.
27 1.1 thorpej */
28 1.1 thorpej
29 1.1 thorpej #include <sys/cdefs.h>
30 1.1 thorpej __COPYRIGHT("@(#) Copyright (c) 2019\
31 1.1 thorpej The NetBSD Foundation, inc. All rights reserved.");
32 1.1 thorpej __RCSID("$NetBSD: t_ksem.c,v 1.1 2019/02/03 03:20:24 thorpej Exp $");
33 1.1 thorpej
34 1.1 thorpej #include <sys/mman.h>
35 1.1 thorpej #include <sys/wait.h>
36 1.1 thorpej
37 1.1 thorpej #include <errno.h>
38 1.1 thorpej #include <fcntl.h>
39 1.1 thorpej #include <stdio.h>
40 1.1 thorpej #include <unistd.h>
41 1.1 thorpej
42 1.1 thorpej #include <atf-c.h>
43 1.1 thorpej
44 1.1 thorpej #define _LIBC
45 1.1 thorpej #include <sys/ksem.h>
46 1.1 thorpej
47 1.1 thorpej ATF_TC(close_on_unnamed);
48 1.1 thorpej ATF_TC_HEAD(close_on_unnamed, tc)
49 1.1 thorpej {
50 1.1 thorpej atf_tc_set_md_var(tc, "descr",
51 1.1 thorpej "test for correct error on close of unnamed semaphore");
52 1.1 thorpej }
53 1.1 thorpej ATF_TC_BODY(close_on_unnamed, tc)
54 1.1 thorpej {
55 1.1 thorpej intptr_t ksem;
56 1.1 thorpej
57 1.1 thorpej /* _ksem_close() is invalid on unnamed semaphore. */
58 1.1 thorpej ksem = 0;
59 1.1 thorpej ATF_REQUIRE_EQ(_ksem_init(0, &ksem), 0);
60 1.1 thorpej ATF_REQUIRE(_ksem_close(ksem) == -1 && errno == EINVAL);
61 1.1 thorpej ATF_REQUIRE_EQ(_ksem_destroy(ksem), 0);
62 1.1 thorpej }
63 1.1 thorpej
64 1.1 thorpej ATF_TC(close_on_unnamed_pshared);
65 1.1 thorpej ATF_TC_HEAD(close_on_unnamed_pshared, tc)
66 1.1 thorpej {
67 1.1 thorpej atf_tc_set_md_var(tc, "descr",
68 1.1 thorpej "test for correct error on close of unnamed pshared semaphore");
69 1.1 thorpej }
70 1.1 thorpej ATF_TC_BODY(close_on_unnamed_pshared, tc)
71 1.1 thorpej {
72 1.1 thorpej intptr_t ksem;
73 1.1 thorpej
74 1.1 thorpej /* Similar, but lifecycle of pshared is slightly different. */
75 1.1 thorpej ksem = KSEM_PSHARED;
76 1.1 thorpej ATF_REQUIRE_EQ(_ksem_init(0, &ksem), 0);
77 1.1 thorpej ATF_REQUIRE(_ksem_close(ksem) == -1 && errno == EINVAL);
78 1.1 thorpej ATF_REQUIRE_EQ(_ksem_destroy(ksem), 0);
79 1.1 thorpej }
80 1.1 thorpej
81 1.1 thorpej ATF_TC_WITH_CLEANUP(destroy_on_named);
82 1.1 thorpej ATF_TC_HEAD(destroy_on_named, tc)
83 1.1 thorpej {
84 1.1 thorpej atf_tc_set_md_var(tc, "descr",
85 1.1 thorpej "test for correct error on destroy of named semaphore");
86 1.1 thorpej }
87 1.1 thorpej ATF_TC_BODY(destroy_on_named, tc)
88 1.1 thorpej {
89 1.1 thorpej intptr_t ksem;
90 1.1 thorpej
91 1.1 thorpej /* Exercise open-unlinked semaphore lifecycle. */
92 1.1 thorpej ATF_REQUIRE_EQ(_ksem_open("/ksem_x", O_CREAT | O_EXCL, 0644, 0, &ksem),
93 1.1 thorpej 0);
94 1.1 thorpej ATF_REQUIRE(_ksem_destroy(ksem) == -1 && errno == EINVAL);
95 1.1 thorpej ATF_REQUIRE_EQ(_ksem_close(ksem), 0);
96 1.1 thorpej ATF_REQUIRE_EQ(_ksem_unlink("/ksem_x"), 0);
97 1.1 thorpej }
98 1.1 thorpej ATF_TC_CLEANUP(destroy_on_named, tc)
99 1.1 thorpej {
100 1.1 thorpej (void)_ksem_unlink("/ksem_x");
101 1.1 thorpej }
102 1.1 thorpej
103 1.1 thorpej ATF_TC_WITH_CLEANUP(open_unlinked_lifecycle);
104 1.1 thorpej ATF_TC_HEAD(open_unlinked_lifecycle, tc)
105 1.1 thorpej {
106 1.1 thorpej atf_tc_set_md_var(tc, "descr",
107 1.1 thorpej "Exercises lifecycle of open-unlined semaphores");
108 1.1 thorpej }
109 1.1 thorpej ATF_TC_BODY(open_unlinked_lifecycle, tc)
110 1.1 thorpej {
111 1.1 thorpej intptr_t ksem, ksem1;
112 1.1 thorpej int val;
113 1.1 thorpej
114 1.1 thorpej /* Exercise open-unlinked semaphore lifecycle. */
115 1.1 thorpej ATF_REQUIRE_EQ(_ksem_open("/ksem_b", O_CREAT | O_EXCL, 0644, 0, &ksem),
116 1.1 thorpej 0);
117 1.1 thorpej ATF_REQUIRE_EQ(_ksem_unlink("/ksem_b"), 0);
118 1.1 thorpej val = 255;
119 1.1 thorpej ATF_REQUIRE(_ksem_getvalue(ksem, &val) == 0 && val == 0);
120 1.1 thorpej
121 1.1 thorpej ATF_REQUIRE_EQ(_ksem_open("/ksem_b", O_CREAT | O_EXCL, 0644, 1, &ksem1),
122 1.1 thorpej 0);
123 1.1 thorpej ATF_REQUIRE_EQ(_ksem_unlink("/ksem_b"), 0);
124 1.1 thorpej val = 255;
125 1.1 thorpej ATF_REQUIRE(_ksem_getvalue(ksem1, &val) == 0 && val == 1);
126 1.1 thorpej
127 1.1 thorpej ATF_REQUIRE_EQ(_ksem_close(ksem), 0);
128 1.1 thorpej ATF_REQUIRE_EQ(_ksem_close(ksem1), 0);
129 1.1 thorpej }
130 1.1 thorpej ATF_TC_CLEANUP(open_unlinked_lifecycle, tc)
131 1.1 thorpej {
132 1.1 thorpej (void)_ksem_unlink("/ksem_a");
133 1.1 thorpej (void)_ksem_unlink("/ksem_b");
134 1.1 thorpej }
135 1.1 thorpej
136 1.1 thorpej ATF_TP_ADD_TCS(tp)
137 1.1 thorpej {
138 1.1 thorpej
139 1.1 thorpej ATF_TP_ADD_TC(tp, close_on_unnamed);
140 1.1 thorpej ATF_TP_ADD_TC(tp, close_on_unnamed_pshared);
141 1.1 thorpej ATF_TP_ADD_TC(tp, destroy_on_named);
142 1.1 thorpej ATF_TP_ADD_TC(tp, open_unlinked_lifecycle);
143 1.1 thorpej
144 1.1 thorpej return atf_no_error();
145 1.1 thorpej }
146