1: /* Enable event process-wide.
    2:    Copyright (C) 1999, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4:    Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library is distributed in the hope that it will be useful,
   12:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include "thread_dbP.h"
   22: 
   23: 
   24: td_err_e
   25: td_thr_event_enable (th, onoff)
   26:      const td_thrhandle_t *th;
   27:      int onoff;
   28: {
   29:   LOG ("td_thr_event_enable");
   30: 
   31:   if (th->th_unique != 0)
   32:     {
   33:       /* Write the new value into the thread data structure.  */
   34:       td_err_e err = DB_PUT_FIELD (th->th_ta_p, th->th_unique, pthread,
   35:                                    report_events, 0,
   36:                                    (psaddr_t) 0 + (onoff != 0));
   37:       if (err != TD_OK)
   38:         return err;
   39: 
   40:       /* Just in case we are in the window between initializing __stack_user
   41:          and copying from __nptl_initial_report_events, we set it too.
   42:          It doesn't hurt to do this for non-initial threads, since it
   43:          won't be consulted again anyway.  It would take another fetch
   44:          to get the tid and determine this isn't the initial thread,
   45:          so just do it always.  */
   46:     }
   47: 
   48:   /* We are faking it for the initial thread before its thread
   49:      descriptor is set up.  */
   50:   return DB_PUT_VALUE (th->th_ta_p, __nptl_initial_report_events, 0,
   51:                        (psaddr_t) 0 + (onoff != 0));
   52: }