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/* Check that __pthread_destroy_specific works correctly if it has to skip
unused slots.
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
#include <error.h>
#include <pthread.h>
#include <stdio.h>
#define N_k 42
static volatile int v;
static void
d (void *x)
{
int *i = (int *) x;
if (v != *i)
error (1, 0, "FAILED %d %d", v, *i);
v += 2;
printf ("%s %d\n", __FUNCTION__, *i);
fflush (stdout);
}
static void *
test (void *x)
{
pthread_key_t k[N_k];
static int k_v[N_k];
int err, i;
for (i = 0; i < N_k; i += 1)
{
err = pthread_key_create (&k[i], &d);
if (err != 0)
error (1, err, "pthread_key_create %d", i);
}
for (i = 0; i < N_k; i += 1)
{
k_v[i] = i;
err = pthread_setspecific (k[i], &k_v[i]);
if (err != 0)
error (1, err, "pthread_setspecific %d", i);
}
/* Delete every even key. */
for (i = 0; i < N_k; i += 2)
{
err = pthread_key_delete (k[i]);
if (err != 0)
error (1, err, "pthread_key_delete %d", i);
}
v = 1;
pthread_exit (NULL);
return NULL;
}
int
main (void)
{
pthread_t tid;
int err;
err = pthread_create (&tid, 0, test, NULL);
if (err != 0)
error (1, err, "pthread_create");
err = pthread_join (tid, NULL);
if (err)
error (1, err, "pthread_join");
if (v != N_k + 1)
error (1, 0, "FAILED END %d %d", v, N_k + 1);
return 0;
}
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