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58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/* Validate a thread handle.
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Copyright (C) 1999, 2001 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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td_err_e
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td_thr_validate (const td_thrhandle_t *th)
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{
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struct pthread_handle_struct *handles = th->th_ta_p->handles;
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int pthread_threads_max = th->th_ta_p->pthread_threads_max;
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int cnt;
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LOG ("td_thr_validate");
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/* Now get all descriptors, one after the other. */
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for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
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{
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struct pthread_handle_struct phc;
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if (ps_pdread (th->th_ta_p->ph, handles, &phc,
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sizeof (struct pthread_handle_struct)) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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if (phc.h_descr != NULL && phc.h_descr == th->th_unique)
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{
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struct _pthread_descr_struct pds;
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if (ps_pdread (th->th_ta_p->ph, phc.h_descr, &pds,
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th->th_ta_p->sizeof_descr) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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/* XXX There should be another test using the TID but this is
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currently not available. */
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return pds.p_terminated != 0 ? TD_NOTHR : TD_OK;
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}
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}
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return TD_ERR;
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}
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