1 /* Copyright (C) 2003-2018 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
23 #include <semaphore.h>
28 #include <pthreaddef.h>
30 #define THE_SIG SIGUSR1
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;
39 static pthread_t th[N];
42 static int do_test (void);
44 #define TEST_FUNCTION do_test ()
45 #include "../test-skeleton.c"
51 if (th[n] != pthread_self ()) \
53 write_message ("wrong callback\n"); \
67 static void (*cbs[]) (void) =
69 cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9
78 #define TOTAL_SIGS 1000
85 if (stack_size_in_mb == 0)
86 stack_size_in_mb = default_stack_size_in_mb;
88 if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1))
90 puts ("initial thread's struct pthread not aligned enough");
94 if (pthread_barrier_init (&b, NULL, N + 1) != 0)
96 puts ("barrier_init failed");
100 if (sem_init (&s, 0, 0) != 0)
102 puts ("sem_init failed");
106 void *h = dlopen ("tst-tls3mod.so", RTLD_LAZY);
109 puts ("dlopen failed");
113 void *(*tf) (void *) = dlsym (h, "tf");
116 puts ("dlsym for tf failed");
121 sa.sa_handler = dlsym (h, "handler");
122 if (sa.sa_handler == NULL)
124 puts ("dlsym for handler failed");
127 sigemptyset (&sa.sa_mask);
129 if (sigaction (THE_SIG, &sa, NULL) != 0)
131 puts ("sigaction failed");
137 if (pthread_attr_init (&a) != 0)
139 puts ("attr_init failed");
143 if (pthread_attr_setstacksize (&a, stack_size_in_mb * 1024 * 1024) != 0)
145 puts ("attr_setstacksize failed");
150 for (r = 0; r < 10; ++r)
153 for (i = 0; i < N; ++i)
154 if (pthread_create (&th[i], &a, tf, cbs[i]) != 0)
156 puts ("pthread_create failed");
162 pthread_barrier_wait (&b);
166 sigaddset (&ss, THE_SIG);
167 if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
169 puts ("pthread_sigmask failed");
173 /* Start sending signals. */
174 for (i = 0; i < TOTAL_SIGS; ++i)
176 if (kill (getpid (), THE_SIG) != 0)
178 puts ("kill failed");
182 if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0)
184 puts ("sem_wait failed");
191 pthread_barrier_wait (&b);
193 if (pthread_sigmask (SIG_UNBLOCK, &ss, NULL) != 0)
195 puts ("pthread_sigmask failed");
199 for (i = 0; i < N; ++i)
200 if (pthread_join (th[i], NULL) != 0)
202 puts ("join failed");
207 if (pthread_attr_destroy (&a) != 0)
209 puts ("attr_destroy failed");