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9532eb67a4
1999-11-03 Ulrich Drepper <drepper@cygnus.com> * Versions.def: Add version for libthread_db.
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Get the number of threads in the process.
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Copyright (C) 1999 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "thread_dbP.h"
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#include <gnu/lib-names.h>
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td_err_e
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td_ta_get_nthreads (const td_thragent_t *ta, int *np)
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{
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psaddr_t addr;
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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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/* Access the variable `__pthread_handles_num'. */
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if (ps_pglobal_lookup (ta->ph, LIBPTHREAD_SO, "__pthread_handles_num",
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&addr) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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if (ps_pdread (ta->ph, addr, np, sizeof (int)) != PS_OK)
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return TD_ERR; /* XXX Other error value? */
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return TD_OK;
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}
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