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1 | /* Copyright (C) 2003 Free Software Foundation, Inc. |
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 | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | #include <dlfcn.h> | |
21 | #include <pthread.h> | |
22 | #include <signal.h> | |
23 | #include <semaphore.h> | |
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <unistd.h> | |
27 | ||
28 | ||
29 | #define THE_SIG SIGUSR1 | |
30 | ||
31 | ||
32 | #define N 10 | |
33 | static pthread_t th[N]; | |
34 | ||
35 | ||
36 | #define CB(n) \ | |
37 | static void \ | |
38 | cb##n (void) \ | |
39 | { \ | |
40 | if (th[n] != pthread_self ()) \ | |
41 | { \ | |
42 | write (STDOUT_FILENO, "wrong callback\n", 15); \ | |
43 | _exit (1); \ | |
44 | } \ | |
45 | } | |
46 | CB (0) | |
47 | CB (1) | |
48 | CB (2) | |
49 | CB (3) | |
50 | CB (4) | |
51 | CB (5) | |
52 | CB (6) | |
53 | CB (7) | |
54 | CB (8) | |
55 | CB (9) | |
56 | static void (*cbs[]) (void) = | |
57 | { | |
58 | cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9 | |
59 | }; | |
60 | ||
61 | ||
62 | sem_t s; | |
63 | ||
64 | ||
65 | pthread_barrier_t b; | |
66 | ||
67 | #define TOTAL_SIGS 1000 | |
68 | int nsigs; | |
69 | ||
70 | ||
71 | int | |
72 | do_test (void) | |
73 | { | |
74 | if (pthread_barrier_init (&b, NULL, N + 1) != 0) | |
75 | { | |
76 | puts ("barrier_init failed"); | |
77 | exit (1); | |
78 | } | |
79 | ||
80 | if (sem_init (&s, 0, 0) != 0) | |
81 | { | |
82 | puts ("sem_init failed"); | |
83 | exit (1); | |
84 | } | |
85 | ||
86 | void *h = dlopen ("tst-tls3mod.so", RTLD_LAZY); | |
87 | if (h == NULL) | |
88 | { | |
89 | puts ("dlopen failed"); | |
90 | exit (1); | |
91 | } | |
92 | ||
93 | void *(*tf) (void *) = dlsym (h, "tf"); | |
94 | if (tf == NULL) | |
95 | { | |
96 | puts ("dlsym for tf failed"); | |
97 | exit (1); | |
98 | } | |
99 | ||
100 | struct sigaction sa; | |
101 | sa.sa_handler = dlsym (h, "handler"); | |
102 | if (sa.sa_handler == NULL) | |
103 | { | |
104 | puts ("dlsym for handler failed"); | |
105 | exit (1); | |
106 | } | |
107 | sigemptyset (&sa.sa_mask); | |
108 | sa.sa_flags = 0; | |
109 | if (sigaction (THE_SIG, &sa, NULL) != 0) | |
110 | { | |
111 | puts ("sigaction failed"); | |
112 | exit (1); | |
113 | } | |
114 | ||
115 | int r; | |
116 | for (r = 0; r < 10; ++r) | |
117 | { | |
118 | int i; | |
119 | for (i = 0; i < N; ++i) | |
120 | if (pthread_create (&th[i], NULL, tf, cbs[i]) != 0) | |
121 | { | |
122 | puts ("pthread_create failed"); | |
123 | exit (1); | |
124 | } | |
125 | ||
126 | nsigs = 0; | |
127 | ||
128 | pthread_barrier_wait (&b); | |
129 | ||
130 | sigset_t ss; | |
131 | sigemptyset (&ss); | |
132 | sigaddset (&ss, THE_SIG); | |
133 | if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0) | |
134 | { | |
135 | puts ("pthread_sigmask failed"); | |
136 | exit (1); | |
137 | } | |
138 | ||
139 | /* Start sending signals. */ | |
140 | for (i = 0; i < TOTAL_SIGS; ++i) | |
141 | { | |
142 | if (kill (getpid (), THE_SIG) != 0) | |
143 | { | |
144 | puts ("kill failed"); | |
145 | exit (1); | |
146 | } | |
147 | ||
148 | if (sem_wait (&s) != 0) | |
149 | { | |
150 | puts ("sem_wait failed"); | |
151 | exit (1); | |
152 | } | |
153 | ||
154 | ++nsigs; | |
155 | } | |
156 | ||
157 | pthread_barrier_wait (&b); | |
158 | ||
159 | if (pthread_sigmask (SIG_UNBLOCK, &ss, NULL) != 0) | |
160 | { | |
161 | puts ("pthread_sigmask failed"); | |
162 | exit (1); | |
163 | } | |
164 | ||
165 | for (i = 0; i < N; ++i) | |
166 | if (pthread_join (th[i], NULL) != 0) | |
167 | { | |
168 | puts ("join failed"); | |
169 | exit (1); | |
170 | } | |
171 | } | |
172 | ||
173 | return 0; | |
174 | } | |
175 | ||
176 | ||
177 | #define TIMEOUT 5 | |
178 | #define TEST_FUNCTION do_test () | |
179 | #include "../test-skeleton.c" |