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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [linuxthreads/] [td_ta_tsd_iter.c] - Blame information for rev 207

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1 207 jeremybenn
/* 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 ("td_ta_tsd_iter");
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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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