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