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/* Enable event process-wide.

   Copyright (C) 1999, 2001, 2002 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 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 "thread_dbP.h"

td_err_e

td_thr_event_enable (th, onoff)

     const td_thrhandle_t *th;

     int onoff;

{

  LOG ("td_thr_event_enable");

  /* Write the new value into the thread data structure.  */

  if (th->th_unique == NULL)

    {

      psaddr_t addr;

      if (td_lookup (th->th_ta_p->ph, LINUXTHREADS_INITIAL_REPORT_EVENTS,

                     &addr) != PS_OK)

        /* Cannot read the symbol.  This should not happen.  */

        return TD_ERR;

      if (ps_pdwrite (th->th_ta_p->ph, addr, &onoff, sizeof (int)) != PS_OK)

        return TD_ERR;

      return TD_OK;

    }

  if (ps_pdwrite (th->th_ta_p->ph,

                  ((char *) th->th_unique

                   + offsetof (struct _pthread_descr_struct,

                               p_report_events)),

                  &onoff, sizeof (int)) != PS_OK)

    return TD_ERR;      /* XXX Other error value?  */

  return TD_OK;

}