gdb/python/py-threadevent.c

   1 /* Copyright (C) 2009-2024 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include "py-event.h"
  19 #include "infrun.h"
  20 #include "gdbthread.h"
  21
  22 /* See py-event.h.  */
  23
  24 gdbpy_ref<>
  25 py_get_event_thread (ptid_t ptid)
  26 {
  27   if (non_stop)
  28     {
  29       thread_info *thread
  30         = current_inferior ()->find_thread (ptid);
  31       if (thread != nullptr)
  32         return thread_to_thread_object (thread);
  33       PyErr_SetString (PyExc_RuntimeError, "Could not find event thread");
  34       return NULL;
  35     }
  36   return gdbpy_ref<>::new_reference (Py_None);
  37 }
  38
  39 gdbpy_ref<>
  40 create_thread_event_object (PyTypeObject *py_type, PyObject *thread)
  41 {
  42   gdb_assert (thread != NULL);
  43
  44   gdbpy_ref<> thread_event_obj = create_event_object (py_type);
  45   if (thread_event_obj == NULL)
  46     return NULL;
  47
  48   if (evpy_add_attribute (thread_event_obj.get (),
  49                           "inferior_thread",
  50                           thread) < 0)
  51     return NULL;
  52
  53   return thread_event_obj;
  54 }
  55
  56 /* Emits a thread exit event for THREAD */
  57
  58 int
  59 emit_thread_exit_event (thread_info * thread)
  60 {
  61   if (evregpy_no_listeners_p (gdb_py_events.thread_exited))
  62     return 0;
  63
  64   auto py_thr = thread_to_thread_object (thread);
  65
  66   if (py_thr == nullptr)
  67     return -1;
  68
  69   auto inf_thr = create_thread_event_object (&thread_exited_event_object_type,
  70                                      py_thr.get ());
  71   if (inf_thr == nullptr)
  72     return -1;
  73
  74   return evpy_emit_event (inf_thr.get (), gdb_py_events.thread_exited);
  75 }