/* Enable event process-wide.

   Copyright (C) 1999-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#include "thread_dbP.h"

td_err_e

td_thr_event_enable (const td_thrhandle_t *th, int onoff)

{

  LOG ("td_thr_event_enable");

  if (th->th_unique != 0)

    {

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

      td_err_e err = DB_PUT_FIELD (th->th_ta_p, th->th_unique, pthread,

				   report_events, 0,

				   (psaddr_t) 0 + (onoff != 0));

      if (err != TD_OK)

	return err;

      /* Just in case we are in the window between initializing __stack_user

	 and copying from __nptl_initial_report_events, we set it too.

	 It doesn't hurt to do this for non-initial threads, since it

	 won't be consulted again anyway.  It would take another fetch

	 to get the tid and determine this isn't the initial thread,

	 so just do it always.  */

    }

  /* We are faking it for the initial thread before its thread

     descriptor is set up.  */

  return DB_PUT_VALUE (th->th_ta_p, __nptl_initial_report_events, 0,

		       (psaddr_t) 0 + (onoff != 0));

}