1 | /* Copyright (C) 2003-2024 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 (barrier: &b3); |
40 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
41 | { |
42 | puts (s: "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 (barrier: &b3); |
52 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
53 | { |
54 | puts (s: "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 (barrier: &b3); |
64 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
65 | { |
66 | puts (s: "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 (barrier: &b2); |
78 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
79 | { |
80 | puts (s: "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 (barrier: &b2, NULL, count: 2) != 0) |
98 | { |
99 | puts (s: "barrier_init failed" ); |
100 | return 1; |
101 | } |
102 | |
103 | if (pthread_barrier_init (barrier: &b3, NULL, count: 3) != 0) |
104 | { |
105 | puts (s: "barrier_init failed" ); |
106 | return 1; |
107 | } |
108 | |
109 | if (pthread_create (newthread: &th[0], NULL, start_routine: tf2, arg: (void *) (uintptr_t) 1)) |
110 | { |
111 | puts (s: "pthread_create failed" ); |
112 | return 1; |
113 | } |
114 | |
115 | int r = pthread_barrier_wait (barrier: &b2); |
116 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
117 | { |
118 | puts (s: "barrier_wait failed" ); |
119 | return 1; |
120 | } |
121 | |
122 | int i; |
123 | for (i = 0; i < N; ++i) |
124 | { |
125 | void *h = dlopen (file: modules[i], RTLD_LAZY); |
126 | if (h == NULL) |
127 | { |
128 | printf (format: "dlopen failed %s\n" , dlerror ()); |
129 | return 1; |
130 | } |
131 | |
132 | test1 = dlsym (handle: h, name: "test1" ); |
133 | if (test1 == NULL) |
134 | { |
135 | printf (format: "dlsym for test1 failed %s\n" , dlerror ()); |
136 | return 1; |
137 | } |
138 | |
139 | test2 = dlsym (handle: h, name: "test2" ); |
140 | if (test2 == NULL) |
141 | { |
142 | printf (format: "dlsym for test2 failed %s\n" , dlerror ()); |
143 | return 1; |
144 | } |
145 | |
146 | if (pthread_create (newthread: &th[1], NULL, start_routine: tf, arg: (void *) (uintptr_t) 2)) |
147 | { |
148 | puts (s: "pthread_create failed" ); |
149 | return 1; |
150 | } |
151 | |
152 | tf (arg: (void *) (uintptr_t) 0); |
153 | |
154 | if (pthread_join (th: th[1], NULL) != 0) |
155 | { |
156 | puts (s: "join failed" ); |
157 | return 1; |
158 | } |
159 | |
160 | if (dlclose (handle: h)) |
161 | { |
162 | puts (s: "dlclose failed" ); |
163 | return 1; |
164 | } |
165 | |
166 | printf (format: "test %d with %s succeeded\n" , i, modules[i]); |
167 | } |
168 | |
169 | if (pthread_join (th: th[0], NULL) != 0) |
170 | { |
171 | puts (s: "join failed" ); |
172 | return 1; |
173 | } |
174 | |
175 | return 0; |
176 | } |
177 | |
178 | #define TEST_FUNCTION do_test () |
179 | #include "../test-skeleton.c" |
180 | |