glibc/nptl/tst-tls3.c

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/* Copyright (C) 2003-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <semaphore.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthreaddef.h>
#define THE_SIG SIGUSR1
/* The stack size can be overriden. With a sufficiently large stack
size, thread stacks for terminated threads are freed, but this does
not happen with the default size of 1 MiB. */
enum { default_stack_size_in_mb = 1 };
static long stack_size_in_mb;
#define N 10
static pthread_t th[N];
static int do_test (void);
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
#define CB(n) \
static void \
cb##n (void) \
{ \
if (th[n] != pthread_self ()) \
{ \
write_message ("wrong callback\n"); \
_exit (1); \
} \
}
CB (0)
CB (1)
CB (2)
CB (3)
CB (4)
CB (5)
CB (6)
CB (7)
CB (8)
CB (9)
static void (*cbs[]) (void) =
{
cb0, cb1, cb2, cb3, cb4, cb5, cb6, cb7, cb8, cb9
};
sem_t s;
pthread_barrier_t b;
#define TOTAL_SIGS 1000
int nsigs;
int
do_test (void)
{
if (stack_size_in_mb == 0)
stack_size_in_mb = default_stack_size_in_mb;
if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1))
{
puts ("initial thread's struct pthread not aligned enough");
exit (1);
}
if (pthread_barrier_init (&b, NULL, N + 1) != 0)
{
puts ("barrier_init failed");
exit (1);
}
if (sem_init (&s, 0, 0) != 0)
{
puts ("sem_init failed");
exit (1);
}
void *h = dlopen ("tst-tls3mod.so", RTLD_LAZY);
if (h == NULL)
{
puts ("dlopen failed");
exit (1);
}
void *(*tf) (void *) = dlsym (h, "tf");
if (tf == NULL)
{
puts ("dlsym for tf failed");
exit (1);
}
struct sigaction sa;
sa.sa_handler = dlsym (h, "handler");
if (sa.sa_handler == NULL)
{
puts ("dlsym for handler failed");
exit (1);
}
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
if (sigaction (THE_SIG, &sa, NULL) != 0)
{
puts ("sigaction failed");
exit (1);
}
pthread_attr_t a;
if (pthread_attr_init (&a) != 0)
{
puts ("attr_init failed");
exit (1);
}
if (pthread_attr_setstacksize (&a, stack_size_in_mb * 1024 * 1024) != 0)
{
puts ("attr_setstacksize failed");
return 1;
}
int r;
for (r = 0; r < 10; ++r)
{
int i;
for (i = 0; i < N; ++i)
if (pthread_create (&th[i], &a, tf, cbs[i]) != 0)
{
puts ("pthread_create failed");
exit (1);
}
nsigs = 0;
pthread_barrier_wait (&b);
sigset_t ss;
sigemptyset (&ss);
sigaddset (&ss, THE_SIG);
if (pthread_sigmask (SIG_BLOCK, &ss, NULL) != 0)
{
puts ("pthread_sigmask failed");
exit (1);
}
/* Start sending signals. */
for (i = 0; i < TOTAL_SIGS; ++i)
{
if (kill (getpid (), THE_SIG) != 0)
{
puts ("kill failed");
exit (1);
}
if (TEMP_FAILURE_RETRY (sem_wait (&s)) != 0)
{
puts ("sem_wait failed");
exit (1);
}
++nsigs;
}
pthread_barrier_wait (&b);
if (pthread_sigmask (SIG_UNBLOCK, &ss, NULL) != 0)
{
puts ("pthread_sigmask failed");
exit (1);
}
for (i = 0; i < N; ++i)
if (pthread_join (th[i], NULL) != 0)
{
puts ("join failed");
exit (1);
}
}
if (pthread_attr_destroy (&a) != 0)
{
puts ("attr_destroy failed");
exit (1);
}
return 0;
}