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/* Iterate over a process's thread-specific data.
Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "thread_dbP.h"
#include <linuxthreads/internals.h>
#include <alloca.h>
td_err_e
td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
void *cbdata_p)
{
struct pthread_key_struct *keys;
int pthread_keys_max;
int cnt;
LOG ("td_ta_tsd_iter");
/* Test whether the TA parameter is ok. */
if (! ta_ok (ta))
return TD_BADTA;
pthread_keys_max = ta->pthread_keys_max;
keys = (struct pthread_key_struct *) alloca (sizeof (keys[0])
* pthread_keys_max);
/* Read all the information about the keys. */
if (ps_pdread (ta->ph, ta->keys, keys,
sizeof (keys[0]) * pthread_keys_max) != PS_OK)
return TD_ERR; /* XXX Other error value? */
/* Now get all descriptors, one after the other. */
for (cnt = 0; cnt < pthread_keys_max; ++cnt)
if (keys[cnt].in_use
/* Return with an error if the callback returns a nonzero value. */
&& callback (cnt, keys[cnt].destr, cbdata_p) != 0)
return TD_DBERR;
return TD_OK;
}
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