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/* Enable event process-wide.
Copyright (C) 1999-2020 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
<https://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));
}
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