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74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* Test that the key reuse inside libpthread does not cause thread
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specific values to persist.
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Copyright (C) 2000-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define _GNU_SOURCE 1
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#include <pthread.h>
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#include <stdio.h>
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#include <assert.h>
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#include <errno.h>
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void
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work (int iter)
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{
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error_t err;
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pthread_key_t key1;
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pthread_key_t key2;
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void *value1;
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void *value2;
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printf ("work/%d: start\n", iter);
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err = pthread_key_create (&key1, NULL);
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assert (err == 0);
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err = pthread_key_create (&key2, NULL);
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assert (err == 0);
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value1 = pthread_getspecific (key1);
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value2 = pthread_getspecific (key2);
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printf ("work/%d: pre-setspecific: %p,%p\n", iter, value1, value2);
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assert (value1 == NULL);
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assert (value2 == NULL);
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err = pthread_setspecific (key1, (void *) (0x100 + iter));
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assert (err == 0);
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err = pthread_setspecific (key2, (void *) (0x200 + iter));
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assert (err == 0);
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value1 = pthread_getspecific (key1);
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value2 = pthread_getspecific (key2);
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printf ("work/%d: post-setspecific: %p,%p\n", iter, value1, value2);
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assert (value1 == (void *) (0x100 + iter));
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assert (value2 == (void *) (0x200 + iter));
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err = pthread_key_delete (key1);
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assert (err == 0);
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err = pthread_key_delete (key2);
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assert (err == 0);
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}
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int
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main (int argc, char *argv[])
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{
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int i;
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for (i = 0; i < 8; ++i)
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work (i + 1);
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return 0;
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}
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