glibc/nptl_db/td_thr_get_info.c
Roland McGrath a305fd6ad8 * td_ta_thr_iter.c (iterate_thread_list): Handle special case of
uninitialized __stack_user (zeros), hard-wire just the main thread.

	* td_thr_get_info.c (td_thr_get_info): Fix ti_lid initialization.
2002-12-13 09:46:02 +00:00

65 lines
2.3 KiB
C

/* Get thread information.
Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stddef.h>
#include <string.h>
#include "thread_dbP.h"
td_err_e
td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
{
LOG ("td_thr_get_info");
/* Get the thread descriptor. */
struct pthread pds;
if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
sizeof (struct pthread)) != 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_tid = th->th_unique;
infop->ti_tls = (char *) pds.specific;
infop->ti_pri = (pds.schedpolicy == SCHED_OTHER
? 0 : pds.schedparam.sched_priority);
infop->ti_type = TD_THR_USER;
if ((pds.cancelhandling & EXITING_BIT) == 0)
/* XXX For now there is no way to get more information. */
infop->ti_state = TD_THR_ACTIVE;
else if ((pds.cancelhandling & TERMINATED_BIT) == 0)
infop->ti_state = TD_THR_ZOMBIE;
else
infop->ti_state = TD_THR_UNKNOWN;
/* Initialization which are the same in both cases. */
infop->ti_lid = pds.tid ?: ps_getpid (th->th_ta_p->ph);
infop->ti_ta_p = th->th_ta_p;
infop->ti_startfunc = pds.start_routine;
memcpy (&infop->ti_events, &pds.eventbuf.eventmask,
sizeof (td_thr_events_t));
infop->ti_traceme = pds.report_events != false;
return TD_OK;
}