1 /* Copyright (C) 2003-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <dlfcn.h>
19 #include <errno.h>
20 #include <pthread.h>
21 #include <stdint.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
25
26 #define N 3
27
28 void (*test1) (void), (*test2) (void);
29
30 pthread_barrier_t b2, b3;
31
32 static void *
33 tf (void *arg)
34 {
35 int i;
36
37 for (i = 0; i <= (uintptr_t) arg; ++i)
38 {
39 int r = pthread_barrier_wait (&b3);
40 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
41 {
42 puts ("tf: barrier_wait failed");
43 exit (1);
44 }
45 }
46
47 test1 ();
48
49 for (i = 0; i < 3; ++i)
50 {
51 int r = pthread_barrier_wait (&b3);
52 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
53 {
54 puts ("tf: barrier_wait failed");
55 exit (1);
56 }
57 }
58
59 test2 ();
60
61 for (i = 0; i < 3 - (uintptr_t) arg; ++i)
62 {
63 int r = pthread_barrier_wait (&b3);
64 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
65 {
66 puts ("tf: barrier_wait failed");
67 exit (1);
68 }
69 }
70
71 return NULL;
72 }
73
74 static void *
75 tf2 (void *arg)
76 {
77 int r = pthread_barrier_wait (&b2);
78 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
79 {
80 puts ("tf2: barrier_wait failed");
81 exit (1);
82 }
83
84 int i;
85 for (i = 0; i < N; ++i)
86 tf (arg);
87 return NULL;
88 }
89
90 int
91 do_test (void)
92 {
93 pthread_t th[2];
94 const char *modules[N]
95 = { "tst-tls4moda.so", "tst-tls4moda.so", "tst-tls4modb.so" };
96
97 if (pthread_barrier_init (&b2, NULL, 2) != 0)
98 {
99 puts ("barrier_init failed");
100 return 1;
101 }
102
103 if (pthread_barrier_init (&b3, NULL, 3) != 0)
104 {
105 puts ("barrier_init failed");
106 return 1;
107 }
108
109 if (pthread_create (&th[0], NULL, tf2, (void *) (uintptr_t) 1))
110 {
111 puts ("pthread_create failed");
112 return 1;
113 }
114
115 int r = pthread_barrier_wait (&b2);
116 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
117 {
118 puts ("barrier_wait failed");
119 return 1;
120 }
121
122 int i;
123 for (i = 0; i < N; ++i)
124 {
125 void *h = dlopen (modules[i], RTLD_LAZY);
126 if (h == NULL)
127 {
128 printf ("dlopen failed %s\n", dlerror ());
129 return 1;
130 }
131
132 test1 = dlsym (h, "test1");
133 if (test1 == NULL)
134 {
135 printf ("dlsym for test1 failed %s\n", dlerror ());
136 return 1;
137 }
138
139 test2 = dlsym (h, "test2");
140 if (test2 == NULL)
141 {
142 printf ("dlsym for test2 failed %s\n", dlerror ());
143 return 1;
144 }
145
146 if (pthread_create (&th[1], NULL, tf, (void *) (uintptr_t) 2))
147 {
148 puts ("pthread_create failed");
149 return 1;
150 }
151
152 tf ((void *) (uintptr_t) 0);
153
154 if (pthread_join (th[1], NULL) != 0)
155 {
156 puts ("join failed");
157 return 1;
158 }
159
160 if (dlclose (h))
161 {
162 puts ("dlclose failed");
163 return 1;
164 }
165
166 printf ("test %d with %s succeeded\n", i, modules[i]);
167 }
168
169 if (pthread_join (th[0], NULL) != 0)
170 {
171 puts ("join failed");
172 return 1;
173 }
174
175 return 0;
176 }
177
178 #define TEST_FUNCTION do_test ()
179 #include "../test-skeleton.c"