76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/* Get thread information.
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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 <stddef.h>
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#include <string.h>
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#include "thread_dbP.h"
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td_err_e
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td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
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{
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struct _pthread_descr_struct pds;
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LOG (__FUNCTION__);
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/* Get the thread descriptor. */
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if (ps_pdread (th->th_ta_p->ph, th->th_unique, &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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/* Fill in information. Clear first to provide reproducable
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results for the fields we do not fill in. */
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memset (infop, '\0', sizeof (td_thrinfo_t));
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/* We have to handle the manager thread special since the thread
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descriptor in older versions is not fully initialized. */
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if (pds.p_nr == 1)
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{
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infop->ti_tid = th->th_ta_p->pthread_threads_max * 2 + 1;
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infop->ti_type = TD_THR_SYSTEM;
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infop->ti_state = TD_THR_RUN;
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}
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else
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{
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infop->ti_tid = pds.p_tid;
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infop->ti_tls = (char *) pds.p_specific;
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infop->ti_pri = pds.p_priority;
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infop->ti_type = TD_THR_USER;
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if (pds.p_exited)
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/* This should not happen. */
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infop->ti_state = TD_THR_ZOMBIE;
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else
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/* XXX For now there is no way to get more information. */
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infop->ti_state = TD_THR_RUN;
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}
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/* Initialization which are the same in both cases. */
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infop->ti_lid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
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infop->ti_ta_p = th->th_ta_p;
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infop->ti_startfunc = pds.p_start_args.start_routine;
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memcpy (&infop->ti_events, &pds.p_eventbuf.eventmask,
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sizeof (td_thr_events_t));
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infop->ti_traceme = pds.p_report_events != 0;
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return TD_OK;
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}
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