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/* Copyright (C) 2003-2024 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
<https://www.gnu.org/licenses/>. */
#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static pthread_key_t key;
static int rounds;
static void
destr (void *arg)
{
++rounds;
/* Use an arbitrary but valid pointer to avoid GCC warnings. */
if (pthread_setspecific (key, (void *) &rounds) != 0)
{
puts ("destr: setspecific failed");
exit (1);
}
}
static void *
tf (void *arg)
{
/* Use an arbitrary but valid pointer to avoid GCC warnings. */
if (pthread_setspecific (key, (void *) &rounds) != 0)
{
puts ("tf: setspecific failed");
exit (1);
}
return NULL;
}
/* This test check non-standard behavior. The standard does not
require that the implementation has to stop calling TSD destructors
when they are set over and over again. But NPTL does. */
static int
do_test (void)
{
/* Allocate two keys, both with destructors. */
if (pthread_key_create (&key, destr) != 0)
{
puts ("key_create failed");
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("create failed");
return 1;
}
if (pthread_join (th, NULL) != 0)
{
puts ("join failed");
return 1;
}
if (rounds < PTHREAD_DESTRUCTOR_ITERATIONS)
{
printf ("rounds == %d, PTHREAD_DESTRUCTOR_ITERATIONS = %d\n",
rounds, PTHREAD_DESTRUCTOR_ITERATIONS);
return 1;
}
if (pthread_getspecific (key) != NULL)
{
puts ("key data != NULL");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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