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dff8da6b | 1 | /* Copyright (C) 2003-2024 Free Software Foundation, Inc. |
ffeb4481 | 2 | This file is part of the GNU C Library. |
ffeb4481 UD |
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 | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
ffeb4481 UD |
17 | |
18 | #include <dlfcn.h> | |
ccf1d573 | 19 | #include <errno.h> |
ffeb4481 UD |
20 | #include <pthread.h> |
21 | #include <signal.h> | |
22 | #include <semaphore.h> | |
c874a32e | 23 | #include <stdint.h> |
ffeb4481 UD |
24 | #include <stdio.h> |
25 | #include <stdlib.h> | |
26 | #include <unistd.h> | |
c874a32e | 27 | #include <pthreaddef.h> |
ffeb4481 | 28 | |
026a84a5 FB |
29 | #include <support/xunistd.h> |
30 | ||
ffeb4481 UD |
31 | #define THE_SIG SIGUSR1 |
32 | ||
7f0d9e61 | 33 | /* The stack size can be overridden. With a sufficiently large stack |
fc86a87d FW |
34 | size, thread stacks for terminated threads are freed, but this does |
35 | not happen with the default size of 1 MiB. */ | |
36 | enum { default_stack_size_in_mb = 1 }; | |
37 | static long stack_size_in_mb; | |
ffeb4481 UD |
38 | |
39 | #define N 10 | |
40 | static pthread_t th[N]; | |
41 | ||
42 | ||
d5b38790 GG |
43 | static int do_test (void); |
44 | ||
d5b38790 GG |
45 | #define TEST_FUNCTION do_test () |
46 | #include "../test-skeleton.c" | |
47 | ||
ffeb4481 UD |
48 | #define CB(n) \ |
49 | static void \ | |
50 | cb##n (void) \ | |
51 | { \ | |
52 | if (th[n] != pthread_self ()) \ | |
53 | { \ | |
d5b38790 | 54 | write_message ("wrong callback\n"); \ |
ffeb4481 UD |
55 | _exit (1); \ |
56 | } \ | |
57 | } | |
58 | CB (0) | |
59 | CB (1) | |
60 | CB (2) | |
61 | CB (3) | |
62 | CB (4) | |
63 | CB (5) | |
64 | CB (6) | |
65 | CB (7) | |
66 | CB (8) | |
67 | CB (9) | |
68 | static void (*cbs[]) (void) = | |
69 | { | |
70 | cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9 | |
71 | }; | |
72 | ||
73 | ||
74 | sem_t s; | |
75 | ||
76 | ||
77 | pthread_barrier_t b; | |
78 | ||
79 | #define TOTAL_SIGS 1000 | |
80 | int nsigs; | |
81 | ||
82 | ||
83 | int | |
84 | do_test (void) | |
85 | { | |
fc86a87d FW |
86 | if (stack_size_in_mb == 0) |
87 | stack_size_in_mb = default_stack_size_in_mb; | |
88 | ||
c874a32e UD |
89 | if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1)) |
90 | { | |
91 | puts ("initial thread's struct pthread not aligned enough"); | |
92 | exit (1); | |
93 | } | |
94 | ||
ffeb4481 UD |
95 | if (pthread_barrier_init (&b, NULL, N + 1) != 0) |
96 | { | |
97 | puts ("barrier_init failed"); | |
98 | exit (1); | |
99 | } | |
100 | ||
101 | if (sem_init (&s, 0, 0) != 0) | |
102 | { | |
103 | puts ("sem_init failed"); | |
104 | exit (1); | |
105 | } | |
106 | ||
107 | void *h = dlopen ("tst-tls3mod.so", RTLD_LAZY); | |
108 | if (h == NULL) | |
109 | { | |
110 | puts ("dlopen failed"); | |
111 | exit (1); | |
112 | } | |
113 | ||
114 | void *(*tf) (void *) = dlsym (h, "tf"); | |
115 | if (tf == NULL) | |
116 | { | |
117 | puts ("dlsym for tf failed"); | |
118 | exit (1); | |
119 | } | |
120 | ||
121 | struct sigaction sa; | |
122 | sa.sa_handler = dlsym (h, "handler"); | |
123 | if (sa.sa_handler == NULL) | |
124 | { | |
125 | puts ("dlsym for handler failed"); | |
126 | exit (1); | |
127 | } | |
128 | sigemptyset (&sa.sa_mask); | |
129 | sa.sa_flags = 0; | |
130 | if (sigaction (THE_SIG, &sa, NULL) != 0) | |
131 | { | |
132 | puts ("sigaction failed"); | |
133 | exit (1); | |
134 | } | |
135 | ||
4d1a02ef UD |
136 | pthread_attr_t a; |
137 | ||
138 | if (pthread_attr_init (&a) != 0) | |
139 | { | |
140 | puts ("attr_init failed"); | |
141 | exit (1); | |
142 | } | |
143 | ||
fc86a87d | 144 | if (pthread_attr_setstacksize (&a, stack_size_in_mb * 1024 * 1024) != 0) |
4d1a02ef UD |
145 | { |
146 | puts ("attr_setstacksize failed"); | |
147 | return 1; | |
148 | } | |
149 | ||
ffeb4481 UD |
150 | int r; |
151 | for (r = 0; r < 10; ++r) | |
152 | { | |
153 | int i; | |
154 | for (i = 0; i < N; ++i) | |
4d1a02ef | 155 | if (pthread_create (&th[i], &a, tf, cbs[i]) != 0) |
ffeb4481 UD |
156 | { |
157 | puts ("pthread_create failed"); | |
158 | exit (1); | |
159 | } | |
160 | ||
161 | nsigs = 0; | |
162 | ||
163 | pthread_barrier_wait (&b); | |
164 | ||
165 | sigset_t ss; | |
166 | sigemptyset (&ss); | |
167 | sigaddset (&ss, THE_SIG); | |
168 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
169 | { | |
170 | puts ("pthread_sigmask failed"); | |
171 | exit (1); | |
172 | } | |
173 | ||
174 | /* Start sending signals. */ | |
175 | for (i = 0; i < TOTAL_SIGS; ++i) | |
176 | { | |
177 | if (kill (getpid (), THE_SIG) != 0) | |
178 | { | |
179 | puts ("kill failed"); | |
180 | exit (1); | |
181 | } | |
182 | ||
ccf1d573 | 183 | if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0) |
ffeb4481 UD |
184 | { |
185 | puts ("sem_wait failed"); | |
186 | exit (1); | |
187 | } | |
188 | ||
189 | ++nsigs; | |
190 | } | |
191 | ||
192 | pthread_barrier_wait (&b); | |
193 | ||
194 | if (pthread_sigmask (SIG_UNBLOCK, &ss, NULL) != 0) | |
195 | { | |
196 | puts ("pthread_sigmask failed"); | |
197 | exit (1); | |
198 | } | |
199 | ||
200 | for (i = 0; i < N; ++i) | |
201 | if (pthread_join (th[i], NULL) != 0) | |
202 | { | |
203 | puts ("join failed"); | |
204 | exit (1); | |
205 | } | |
206 | } | |
207 | ||
4d1a02ef UD |
208 | if (pthread_attr_destroy (&a) != 0) |
209 | { | |
210 | puts ("attr_destroy failed"); | |
211 | exit (1); | |
212 | } | |
213 | ||
ffeb4481 UD |
214 | return 0; |
215 | } |