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/* Test that the key reuse inside libpthread does not cause thread
specific values to persist.
Copyright (C) 2000-2020 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/>. */
#define _GNU_SOURCE 1
#include <pthread.h>
#include <stdio.h>
#include <assert.h>
#include <errno.h>
void
work (int iter)
{
error_t err;
pthread_key_t key1;
pthread_key_t key2;
void *value1;
void *value2;
printf ("work/%d: start\n", iter);
err = pthread_key_create (&key1, NULL);
assert (err == 0);
err = pthread_key_create (&key2, NULL);
assert (err == 0);
value1 = pthread_getspecific (key1);
value2 = pthread_getspecific (key2);
printf ("work/%d: pre-setspecific: %p,%p\n", iter, value1, value2);
assert (value1 == NULL);
assert (value2 == NULL);
err = pthread_setspecific (key1, (void *) (0x100 + iter));
assert (err == 0);
err = pthread_setspecific (key2, (void *) (0x200 + iter));
assert (err == 0);
value1 = pthread_getspecific (key1);
value2 = pthread_getspecific (key2);
printf ("work/%d: post-setspecific: %p,%p\n", iter, value1, value2);
assert (value1 == (void *) (0x100 + iter));
assert (value2 == (void *) (0x200 + iter));
err = pthread_key_delete (key1);
assert (err == 0);
err = pthread_key_delete (key2);
assert (err == 0);
}
int
main (int argc, char *argv[])
{
int i;
for (i = 0; i < 8; ++i)
work (i + 1);
return 0;
}
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