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/* Get thread information.
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stddef.h>
#include "thread_dbP.h"
td_err_e
td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
{
struct _pthread_descr_struct pds;
LOG (__FUNCTION__);
/* Get the thread descriptor. */
if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
th->th_ta_p->sizeof_descr) != PS_OK)
return TD_ERR; /* XXX Other error value? */
/* Fill in information. Clear first to provide reproducable
results for the fields we do not fill in. */
memset (infop, '\0', sizeof (td_thrinfo_t));
infop->ti_ta_p = th->th_ta_p;
infop->ti_tid = pds.p_tid;
infop->ti_tls = (char *) pds.p_specific;
infop->ti_pri = pds.p_priority;
/* The first thread (0 being the initial one) is the manager thread
Mark it appropriately. */
infop->ti_type = ((pds.p_tid % th->th_ta_p->pthread_threads_max) == 1
? TD_THR_SYSTEM : TD_THR_USER);
/* We can get the following information only if the thread descriptor
in the target processor is large enough, i.e., comes from a recent
enough library. */
if (offsetof (struct _pthread_descr_struct, p_startfct)
< th->th_ta_p->sizeof_descr)
infop->ti_startfunc = pds.p_startfct;
return TD_OK;
}
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