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66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* Copyright (C) 2002,2006,2008,2018
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* Free Software Foundation, Inc.
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*
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* This 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 License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdlib.h>
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#if SCM_USE_NULL_THREADS
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#include "null-threads.h"
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static scm_i_pthread_key_t *all_keys = NULL;
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static void
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destroy_keys (void)
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{
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scm_i_pthread_key_t *key;
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int again;
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do {
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again = 0;
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for (key = all_keys; key; key = key->next)
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if (key->value && key->destr_func)
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{
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void *v = key->value;
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key->value = NULL;
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key->destr_func (v);
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again = 1;
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}
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} while (again);
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}
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int
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scm_i_pthread_key_create (scm_i_pthread_key_t *key,
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void (*destr_func) (void *))
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{
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if (all_keys == NULL)
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atexit (destroy_keys);
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key->next = all_keys;
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all_keys = key;
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key->value = NULL;
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key->destr_func = destr_func;
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return 0;
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}
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#endif /* SCM_USE_NULL_THREADS */
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