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/* __pthread_destory_specific. Hurd version.
Copyright (C) 2002 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <pthread.h>
#include <stdlib.h>
#include <hurd/ihash.h>
#include <pt-internal.h>
void
__pthread_destroy_specific (struct __pthread *thread)
{
error_t err;
int i;
int seen_one;
/* Check if there is any thread specific data. */
if (! thread->thread_specifics)
return;
__pthread_key_lock_ready ();
/* Iterate and call the destructors on any thread specific data. */
for (;;)
{
seen_one = 0;
__pthread_mutex_lock (&__pthread_key_lock);
for (i = 0; i < __pthread_key_count; i ++)
{
void *value;
if (__pthread_key_destructors[i] == PTHREAD_KEY_INVALID)
continue;
value = hurd_ihash_find (thread->thread_specifics, i);
if (value)
{
err = hurd_ihash_remove (thread->thread_specifics, i);
assert (err == 1);
if (__pthread_key_destructors[i])
{
seen_one = 1;
__pthread_key_destructors[i] (value);
}
}
}
__pthread_mutex_unlock (&__pthread_key_lock);
if (! seen_one)
break;
/* This may take a very long time. Let those blocking on
pthread_key_create or pthread_key_delete make progress. */
sched_yield ();
}
hurd_ihash_free (thread->thread_specifics);
thread->thread_specifics = 0;
}
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