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d614a753 | 1 | /* Copyright (C) 2003-2020 Free Software Foundation, Inc. |
ffeb4481 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
ffeb4481 UD |
18 | |
19 | #include <dlfcn.h> | |
ccf1d573 | 20 | #include <errno.h> |
ffeb4481 UD |
21 | #include <pthread.h> |
22 | #include <signal.h> | |
23 | #include <semaphore.h> | |
c874a32e | 24 | #include <stdint.h> |
ffeb4481 UD |
25 | #include <stdio.h> |
26 | #include <stdlib.h> | |
27 | #include <unistd.h> | |
c874a32e | 28 | #include <pthreaddef.h> |
ffeb4481 UD |
29 | |
30 | #define THE_SIG SIGUSR1 | |
31 | ||
fc86a87d FW |
32 | /* The stack size can be overriden. With a sufficiently large stack |
33 | size, thread stacks for terminated threads are freed, but this does | |
34 | not happen with the default size of 1 MiB. */ | |
35 | enum { default_stack_size_in_mb = 1 }; | |
36 | static long stack_size_in_mb; | |
ffeb4481 UD |
37 | |
38 | #define N 10 | |
39 | static pthread_t th[N]; | |
40 | ||
41 | ||
d5b38790 GG |
42 | static int do_test (void); |
43 | ||
d5b38790 GG |
44 | #define TEST_FUNCTION do_test () |
45 | #include "../test-skeleton.c" | |
46 | ||
ffeb4481 UD |
47 | #define CB(n) \ |
48 | static void \ | |
49 | cb##n (void) \ | |
50 | { \ | |
51 | if (th[n] != pthread_self ()) \ | |
52 | { \ | |
d5b38790 | 53 | write_message ("wrong callback\n"); \ |
ffeb4481 UD |
54 | _exit (1); \ |
55 | } \ | |
56 | } | |
57 | CB (0) | |
58 | CB (1) | |
59 | CB (2) | |
60 | CB (3) | |
61 | CB (4) | |
62 | CB (5) | |
63 | CB (6) | |
64 | CB (7) | |
65 | CB (8) | |
66 | CB (9) | |
67 | static void (*cbs[]) (void) = | |
68 | { | |
69 | cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9 | |
70 | }; | |
71 | ||
72 | ||
73 | sem_t s; | |
74 | ||
75 | ||
76 | pthread_barrier_t b; | |
77 | ||
78 | #define TOTAL_SIGS 1000 | |
79 | int nsigs; | |
80 | ||
81 | ||
82 | int | |
83 | do_test (void) | |
84 | { | |
fc86a87d FW |
85 | if (stack_size_in_mb == 0) |
86 | stack_size_in_mb = default_stack_size_in_mb; | |
87 | ||
c874a32e UD |
88 | if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1)) |
89 | { | |
90 | puts ("initial thread's struct pthread not aligned enough"); | |
91 | exit (1); | |
92 | } | |
93 | ||
ffeb4481 UD |
94 | if (pthread_barrier_init (&b, NULL, N + 1) != 0) |
95 | { | |
96 | puts ("barrier_init failed"); | |
97 | exit (1); | |
98 | } | |
99 | ||
100 | if (sem_init (&s, 0, 0) != 0) | |
101 | { | |
102 | puts ("sem_init failed"); | |
103 | exit (1); | |
104 | } | |
105 | ||
106 | void *h = dlopen ("tst-tls3mod.so", RTLD_LAZY); | |
107 | if (h == NULL) | |
108 | { | |
109 | puts ("dlopen failed"); | |
110 | exit (1); | |
111 | } | |
112 | ||
113 | void *(*tf) (void *) = dlsym (h, "tf"); | |
114 | if (tf == NULL) | |
115 | { | |
116 | puts ("dlsym for tf failed"); | |
117 | exit (1); | |
118 | } | |
119 | ||
120 | struct sigaction sa; | |
121 | sa.sa_handler = dlsym (h, "handler"); | |
122 | if (sa.sa_handler == NULL) | |
123 | { | |
124 | puts ("dlsym for handler failed"); | |
125 | exit (1); | |
126 | } | |
127 | sigemptyset (&sa.sa_mask); | |
128 | sa.sa_flags = 0; | |
129 | if (sigaction (THE_SIG, &sa, NULL) != 0) | |
130 | { | |
131 | puts ("sigaction failed"); | |
132 | exit (1); | |
133 | } | |
134 | ||
4d1a02ef UD |
135 | pthread_attr_t a; |
136 | ||
137 | if (pthread_attr_init (&a) != 0) | |
138 | { | |
139 | puts ("attr_init failed"); | |
140 | exit (1); | |
141 | } | |
142 | ||
fc86a87d | 143 | if (pthread_attr_setstacksize (&a, stack_size_in_mb * 1024 * 1024) != 0) |
4d1a02ef UD |
144 | { |
145 | puts ("attr_setstacksize failed"); | |
146 | return 1; | |
147 | } | |
148 | ||
ffeb4481 UD |
149 | int r; |
150 | for (r = 0; r < 10; ++r) | |
151 | { | |
152 | int i; | |
153 | for (i = 0; i < N; ++i) | |
4d1a02ef | 154 | if (pthread_create (&th[i], &a, tf, cbs[i]) != 0) |
ffeb4481 UD |
155 | { |
156 | puts ("pthread_create failed"); | |
157 | exit (1); | |
158 | } | |
159 | ||
160 | nsigs = 0; | |
161 | ||
162 | pthread_barrier_wait (&b); | |
163 | ||
164 | sigset_t ss; | |
165 | sigemptyset (&ss); | |
166 | sigaddset (&ss, THE_SIG); | |
167 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
168 | { | |
169 | puts ("pthread_sigmask failed"); | |
170 | exit (1); | |
171 | } | |
172 | ||
173 | /* Start sending signals. */ | |
174 | for (i = 0; i < TOTAL_SIGS; ++i) | |
175 | { | |
176 | if (kill (getpid (), THE_SIG) != 0) | |
177 | { | |
178 | puts ("kill failed"); | |
179 | exit (1); | |
180 | } | |
181 | ||
ccf1d573 | 182 | if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0) |
ffeb4481 UD |
183 | { |
184 | puts ("sem_wait failed"); | |
185 | exit (1); | |
186 | } | |
187 | ||
188 | ++nsigs; | |
189 | } | |
190 | ||
191 | pthread_barrier_wait (&b); | |
192 | ||
193 | if (pthread_sigmask (SIG_UNBLOCK, &ss, NULL) != 0) | |
194 | { | |
195 | puts ("pthread_sigmask failed"); | |
196 | exit (1); | |
197 | } | |
198 | ||
199 | for (i = 0; i < N; ++i) | |
200 | if (pthread_join (th[i], NULL) != 0) | |
201 | { | |
202 | puts ("join failed"); | |
203 | exit (1); | |
204 | } | |
205 | } | |
206 | ||
4d1a02ef UD |
207 | if (pthread_attr_destroy (&a) != 0) |
208 | { | |
209 | puts ("attr_destroy failed"); | |
210 | exit (1); | |
211 | } | |
212 | ||
ffeb4481 UD |
213 | return 0; |
214 | } |