nptl_db/td_ta_event_addr.c

   1 /* Get event address.
   2    Copyright (C) 1999-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include "thread_dbP.h"
  20
  21
  22 td_err_e
  23 td_ta_event_addr (const td_thragent_t *ta_arg,
  24                   td_event_e event, td_notify_t *addr)
  25 {
  26   td_thragent_t *const ta = (td_thragent_t *) ta_arg;
  27   td_err_e err;
  28   psaddr_t taddr;
  29
  30   LOG ("td_ta_event_addr");
  31
  32   /* Test whether the TA parameter is ok.  */
  33   if (! ta_ok (ta))
  34     return TD_BADTA;
  35
  36   switch (event)
  37     {
  38     case TD_CREATE:
  39       err = DB_GET_SYMBOL (taddr, ta, __nptl_create_event);
  40       break;
  41
  42     case TD_DEATH:
  43       err = DB_GET_SYMBOL (taddr, ta, __nptl_death_event);
  44       break;
  45
  46     default:
  47       /* Event cannot be handled.  */
  48       return TD_NOEVENT;
  49     }
  50
  51   if (err == TD_OK)
  52     {
  53       /* Success, we got the address.  */
  54       addr->type = NOTIFY_BPT;
  55       addr->u.bptaddr = taddr;
  56     }
  57
  58   return err;
  59 }