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/* Copyright (C) 2002, 2006, 2008 Free Software Foundation, Inc.
*
* This 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 3 of
* the License, or (at your option) any later version.
*
* This 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include "libguile/_scm.h"
#if SCM_USE_NULL_THREADS
#include "libguile/null-threads.h"
static scm_i_pthread_key_t *all_keys = NULL;
static void
destroy_keys (void)
{
scm_i_pthread_key_t *key;
int again;
do {
again = 0;
for (key = all_keys; key; key = key->next)
if (key->value && key->destr_func)
{
void *v = key->value;
key->value = NULL;
key->destr_func (v);
again = 1;
}
} while (again);
}
int
scm_i_pthread_key_create (scm_i_pthread_key_t *key,
void (*destr_func) (void *))
{
if (all_keys == NULL)
atexit (destroy_keys);
key->next = all_keys;
all_keys = key;
key->value = NULL;
key->destr_func = destr_func;
return 0;
}
#endif /* SCM_USE_NULL_THREADS */
/*
Local Variables:
c-file-style: "gnu"
End:
*/