1 /* Copyright (C) 2003-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
22 #include <semaphore.h>
27 #include <pthreaddef.h>
29 #include <support/xunistd.h>
31 #define THE_SIG SIGUSR1
33 /* The stack size can be overridden. With a sufficiently large stack
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
;
40 static pthread_t th
[N
];
43 static int do_test (void);
45 #define TEST_FUNCTION do_test ()
46 #include "../test-skeleton.c"
52 if (th[n] != pthread_self ()) \
54 write_message ("wrong callback\n"); \
68 static void (*cbs
[]) (void) =
70 cb0
, cb1
, cb2
, cb3
, cb4
, cb5
, cb6
, cb7
, cb8
, cb9
79 #define TOTAL_SIGS 1000
86 if (stack_size_in_mb
== 0)
87 stack_size_in_mb
= default_stack_size_in_mb
;
89 if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT
- 1))
91 puts ("initial thread's struct pthread not aligned enough");
95 if (pthread_barrier_init (&b
, NULL
, N
+ 1) != 0)
97 puts ("barrier_init failed");
101 if (sem_init (&s
, 0, 0) != 0)
103 puts ("sem_init failed");
107 void *h
= dlopen ("tst-tls3mod.so", RTLD_LAZY
);
110 puts ("dlopen failed");
114 void *(*tf
) (void *) = dlsym (h
, "tf");
117 puts ("dlsym for tf failed");
122 sa
.sa_handler
= dlsym (h
, "handler");
123 if (sa
.sa_handler
== NULL
)
125 puts ("dlsym for handler failed");
128 sigemptyset (&sa
.sa_mask
);
130 if (sigaction (THE_SIG
, &sa
, NULL
) != 0)
132 puts ("sigaction failed");
138 if (pthread_attr_init (&a
) != 0)
140 puts ("attr_init failed");
144 if (pthread_attr_setstacksize (&a
, stack_size_in_mb
* 1024 * 1024) != 0)
146 puts ("attr_setstacksize failed");
151 for (r
= 0; r
< 10; ++r
)
154 for (i
= 0; i
< N
; ++i
)
155 if (pthread_create (&th
[i
], &a
, tf
, cbs
[i
]) != 0)
157 puts ("pthread_create failed");
163 pthread_barrier_wait (&b
);
167 sigaddset (&ss
, THE_SIG
);
168 if (pthread_sigmask (SIG_BLOCK
, &ss
, NULL
) != 0)
170 puts ("pthread_sigmask failed");
174 /* Start sending signals. */
175 for (i
= 0; i
< TOTAL_SIGS
; ++i
)
177 if (kill (getpid (), THE_SIG
) != 0)
179 puts ("kill failed");
183 if (TEMP_FAILURE_RETRY (sem_wait (&s
)) != 0)
185 puts ("sem_wait failed");
192 pthread_barrier_wait (&b
);
194 if (pthread_sigmask (SIG_UNBLOCK
, &ss
, NULL
) != 0)
196 puts ("pthread_sigmask failed");
200 for (i
= 0; i
< N
; ++i
)
201 if (pthread_join (th
[i
], NULL
) != 0)
203 puts ("join failed");
208 if (pthread_attr_destroy (&a
) != 0)
210 puts ("attr_destroy failed");