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-rw-r--r--src/regress/lib/libc/sys/t_minherit.c200
1 files changed, 0 insertions, 200 deletions
diff --git a/src/regress/lib/libc/sys/t_minherit.c b/src/regress/lib/libc/sys/t_minherit.c
deleted file mode 100644
index 578092352c..0000000000
--- a/src/regress/lib/libc/sys/t_minherit.c
+++ /dev/null
@@ -1,200 +0,0 @@
1/* $OpenBSD: t_minherit.c,v 1.2 2021/12/13 16:56:48 deraadt Exp $ */
2/* $NetBSD: t_minherit.c,v 1.1 2014/07/18 12:34:52 christos Exp $ */
3
4/*-
5 * Copyright (c) 2014 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Christos Zoulas
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32#include "macros.h"
33
34#include <sys/mman.h>
35#include <sys/sysctl.h>
36#include <sys/wait.h>
37
38#include <errno.h>
39#include <fcntl.h>
40#include <stdlib.h>
41#include <string.h>
42#include <signal.h>
43#include <unistd.h>
44
45#include "atf-c.h"
46
47static long page;
48
49static void *
50makemap(int v, int f) {
51 void *map = mmap(NULL, page, PROT_READ|PROT_WRITE,
52 MAP_SHARED|MAP_ANON, -1, 0);
53 ATF_REQUIRE(map != MAP_FAILED);
54 memset(map, v, page);
55 if (f != 666)
56 ATF_REQUIRE(minherit(map, page, f) == 0);
57 else
58 ATF_REQUIRE(minherit(map, page, f) == -1);
59 return map;
60}
61
62ATF_TC(minherit_copy);
63ATF_TC_HEAD(minherit_copy, tc)
64{
65 atf_tc_set_md_var(tc, "descr",
66 "Test for MAP_INHERIT_COPY from minherit(2)");
67}
68
69ATF_TC_BODY(minherit_copy, tc)
70{
71 void *map1 = makemap(1, MAP_INHERIT_COPY);
72 void *map2 = makemap(1, MAP_INHERIT_COPY);
73 switch (fork()) {
74 default:
75 ATF_REQUIRE(wait(NULL) != -1);
76 ATF_REQUIRE(memcmp(map1, map2, page) == 0);
77 break;
78 case -1:
79 ATF_REQUIRE(0);
80 break;
81 case 0:
82 ATF_REQUIRE(memcmp(map1, map2, page) == 0);
83 memset(map1, 0, page);
84 exit(0);
85 }
86}
87
88ATF_TC(minherit_share);
89ATF_TC_HEAD(minherit_share, tc)
90{
91 atf_tc_set_md_var(tc, "descr",
92 "Test for MAP_INHERIT_SHARE from minherit(2)");
93}
94
95ATF_TC_BODY(minherit_share, tc)
96{
97 void *map1 = makemap(1, MAP_INHERIT_SHARE);
98 void *map2 = makemap(1, MAP_INHERIT_SHARE);
99
100 switch (fork()) {
101 default:
102 ATF_REQUIRE(wait(NULL) != -1);
103 memset(map2, 0, page);
104 ATF_REQUIRE(memcmp(map1, map2, page) == 0);
105 break;
106 case -1:
107 ATF_REQUIRE(0);
108 break;
109 case 0:
110 ATF_REQUIRE(memcmp(map1, map2, page) == 0);
111 memset(map1, 0, page);
112 exit(0);
113 }
114}
115
116static void
117segv(int n) {
118 _exit(n);
119}
120
121ATF_TC(minherit_none);
122ATF_TC_HEAD(minherit_none, tc)
123{
124 atf_tc_set_md_var(tc, "descr",
125 "Test for MAP_INHERIT_NONE from minherit(2)");
126}
127
128ATF_TC_BODY(minherit_none, tc)
129{
130 void *map1 = makemap(0, MAP_INHERIT_NONE);
131 int status;
132
133 switch (fork()) {
134 default:
135 ATF_REQUIRE(wait(&status) != -1);
136 ATF_REQUIRE(WEXITSTATUS(status) == SIGSEGV);
137 break;
138 case -1:
139 ATF_REQUIRE(0);
140 break;
141 case 0:
142 ATF_REQUIRE(signal(SIGSEGV, segv) != SIG_ERR);
143 memset(map1, 0, page);
144 exit(0);
145 }
146}
147
148ATF_TC(minherit_zero);
149ATF_TC_HEAD(minherit_zero, tc)
150{
151 atf_tc_set_md_var(tc, "descr",
152 "Test for MAP_INHERIT_ZERO from minherit(2)");
153}
154
155ATF_TC_BODY(minherit_zero, tc)
156{
157 void *map1 = makemap(1, MAP_INHERIT_ZERO);
158 void *map2 = makemap(0, MAP_INHERIT_SHARE);
159
160 switch (fork()) {
161 default:
162 ATF_REQUIRE(wait(NULL) != -1);
163 memset(map2, 1, page);
164 ATF_REQUIRE(memcmp(map1, map2, page) == 0);
165 break;
166 case -1:
167 ATF_REQUIRE(0);
168 break;
169 case 0:
170 ATF_REQUIRE(memcmp(map1, map2, page) == 0);
171 memset(map1, 2, page);
172 exit(0);
173 }
174}
175
176ATF_TC(minherit_bad);
177ATF_TC_HEAD(minherit_bad, tc)
178{
179 atf_tc_set_md_var(tc, "descr",
180 "Test for bad minherit(2)");
181}
182
183ATF_TC_BODY(minherit_bad, tc)
184{
185 (void)makemap(0, 666);
186}
187
188ATF_TP_ADD_TCS(tp)
189{
190 page = sysconf(_SC_PAGESIZE);
191 ATF_REQUIRE(page >= 0);
192
193 ATF_TP_ADD_TC(tp, minherit_copy);
194 ATF_TP_ADD_TC(tp, minherit_share);
195 ATF_TP_ADD_TC(tp, minherit_none);
196 ATF_TP_ADD_TC(tp, minherit_zero);
197 ATF_TP_ADD_TC(tp, minherit_bad);
198
199 return atf_no_error();
200}
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