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04277e02 | 1 | /* Copyright (C) 2003-2019 Free Software Foundation, Inc. |
5e47b76b 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 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
5e47b76b | 18 | |
ccf1d573 | 19 | #include <errno.h> |
5e47b76b UD |
20 | #include <pthread.h> |
21 | #include <signal.h> | |
22 | #include <semaphore.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | ||
28 | #define N 10 | |
29 | static pthread_t th[N]; | |
30 | ||
31 | ||
d5b38790 GG |
32 | static int do_test (void); |
33 | ||
34 | #define TEST_FUNCTION do_test () | |
35 | #include "../test-skeleton.c" | |
36 | ||
5e47b76b UD |
37 | #define CB(n) \ |
38 | static void \ | |
39 | cb##n (void) \ | |
40 | { \ | |
41 | if (th[n] != pthread_self ()) \ | |
42 | { \ | |
d5b38790 | 43 | write_message ("wrong callback\n"); \ |
5e47b76b UD |
44 | _exit (1); \ |
45 | } \ | |
46 | } | |
47 | CB (0) | |
48 | CB (1) | |
49 | CB (2) | |
50 | CB (3) | |
51 | CB (4) | |
52 | CB (5) | |
53 | CB (6) | |
54 | CB (7) | |
55 | CB (8) | |
56 | CB (9) | |
57 | static void (*cbs[]) (void) = | |
58 | { | |
59 | cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9 | |
60 | }; | |
61 | ||
62 | ||
63 | static __thread void (*fp) (void) __attribute__ ((tls_model ("local-exec"))); | |
64 | ||
65 | ||
66 | static sem_t s; | |
67 | ||
68 | ||
69 | #define THE_SIG SIGUSR1 | |
70 | static void | |
71 | handler (int sig) | |
72 | { | |
73 | if (sig != THE_SIG) | |
74 | { | |
d5b38790 | 75 | write_message ("wrong signal\n"); |
5e47b76b UD |
76 | _exit (1); |
77 | } | |
78 | ||
79 | fp (); | |
80 | ||
81 | if (sem_post (&s) != 0) | |
82 | { | |
d5b38790 | 83 | write_message ("sem_post failed\n"); |
5e47b76b UD |
84 | _exit (1); |
85 | } | |
86 | } | |
87 | ||
88 | ||
89 | static pthread_barrier_t b; | |
90 | ||
91 | #define TOTAL_SIGS 1000 | |
92 | static int nsigs; | |
93 | ||
94 | ||
95 | static void * | |
96 | tf (void *arg) | |
97 | { | |
98 | fp = arg; | |
99 | ||
100 | pthread_barrier_wait (&b); | |
101 | ||
102 | pthread_barrier_wait (&b); | |
103 | ||
104 | if (nsigs != TOTAL_SIGS) | |
105 | { | |
106 | puts ("barrier_wait prematurely returns"); | |
107 | exit (1); | |
108 | } | |
109 | ||
110 | return NULL; | |
111 | } | |
3ce1f295 | 112 | |
5e47b76b UD |
113 | |
114 | int | |
115 | do_test (void) | |
116 | { | |
117 | if (pthread_barrier_init (&b, NULL, N + 1) != 0) | |
118 | { | |
119 | puts ("barrier_init failed"); | |
120 | exit (1); | |
121 | } | |
122 | ||
123 | if (sem_init (&s, 0, 0) != 0) | |
124 | { | |
125 | puts ("sem_init failed"); | |
126 | exit (1); | |
127 | } | |
128 | ||
129 | struct sigaction sa; | |
130 | sa.sa_handler = handler; | |
131 | sigemptyset (&sa.sa_mask); | |
132 | sa.sa_flags = 0; | |
133 | if (sigaction (THE_SIG, &sa, NULL) != 0) | |
134 | { | |
135 | puts ("sigaction failed"); | |
136 | exit (1); | |
137 | } | |
138 | ||
4d1a02ef UD |
139 | pthread_attr_t a; |
140 | ||
141 | if (pthread_attr_init (&a) != 0) | |
142 | { | |
143 | puts ("attr_init failed"); | |
144 | exit (1); | |
145 | } | |
146 | ||
147 | if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0) | |
148 | { | |
149 | puts ("attr_setstacksize failed"); | |
150 | return 1; | |
151 | } | |
152 | ||
5e47b76b UD |
153 | int i; |
154 | for (i = 0; i < N; ++i) | |
4d1a02ef | 155 | if (pthread_create (&th[i], &a, tf, cbs[i]) != 0) |
5e47b76b UD |
156 | { |
157 | puts ("pthread_create failed"); | |
158 | exit (1); | |
159 | } | |
160 | ||
4d1a02ef UD |
161 | if (pthread_attr_destroy (&a) != 0) |
162 | { | |
163 | puts ("attr_destroy failed"); | |
164 | exit (1); | |
165 | } | |
166 | ||
5e47b76b UD |
167 | pthread_barrier_wait (&b); |
168 | ||
169 | sigset_t ss; | |
170 | sigemptyset (&ss); | |
171 | sigaddset (&ss, THE_SIG); | |
172 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
173 | { | |
174 | puts ("pthread_sigmask failed"); | |
175 | exit (1); | |
176 | } | |
177 | ||
178 | /* Start sending signals. */ | |
179 | for (i = 0; i < TOTAL_SIGS; ++i) | |
180 | { | |
181 | if (kill (getpid (), THE_SIG) != 0) | |
182 | { | |
183 | puts ("kill failed"); | |
184 | exit (1); | |
185 | } | |
186 | ||
ccf1d573 | 187 | if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0) |
5e47b76b UD |
188 | { |
189 | puts ("sem_wait failed"); | |
190 | exit (1); | |
191 | } | |
192 | ||
193 | ++nsigs; | |
194 | } | |
195 | ||
196 | pthread_barrier_wait (&b); | |
197 | ||
198 | for (i = 0; i < N; ++i) | |
199 | if (pthread_join (th[i], NULL) != 0) | |
200 | { | |
201 | puts ("join failed"); | |
202 | exit (1); | |
203 | } | |
204 | ||
205 | return 0; | |
206 | } |