gdb/python/py-exitedevent.c - gdb

Functions defined

Source code

  1. /* Python interface to inferior exit events.

  3.    Copyright (C) 2009-2015 Free Software Foundation, Inc.

  5.    This file is part of GDB.

  7.    This program is free software; you can redistribute it and/or modify
  8.    it under the terms of the GNU General Public License as published by
  9.    the Free Software Foundation; either version 3 of the License, or
  10.    (at your option) any later version.

  12.    This program is distributed in the hope that it will be useful,
  13.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15.    GNU General Public License for more details.

  17.    You should have received a copy of the GNU General Public License
  18.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  20. #include "defs.h"
  21. #include "py-event.h"

  23. static PyTypeObject exited_event_object_type
  24.     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");

  26. static PyObject *
  27. ‌create_exited_event_object (const LONGEST *exit_code, struct inferior *inf)
  28. {
  29.   PyObject *exited_event;
  30.   PyObject *inf_obj = NULL;

  32.   exited_event = create_event_object (&exited_event_object_type);

  34.   if (!exited_event)
  35.     goto fail;

  37.   if (exit_code)
  38.     {
  39.       PyObject *exit_code_obj = PyLong_FromLongLong (*exit_code);
  40.       int failed;

  42.       if (exit_code_obj == NULL)
  43.         goto fail;

  45.       failed = evpy_add_attribute (exited_event, "exit_code",
  46.                                    exit_code_obj) < 0;
  47.       Py_DECREF (exit_code_obj);
  48.       if (failed)
  49.         goto fail;
  50.     }

  52.   inf_obj = inferior_to_inferior_object (inf);
  53.   if (!inf_obj || evpy_add_attribute (exited_event,
  54.                                       "inferior",
  55.                                       inf_obj) < 0)
  56.     goto fail;
  57.   Py_DECREF (inf_obj);

  59.   return exited_event;

  61. fail:
  62.   Py_XDECREF (inf_obj);
  63.   Py_XDECREF (exited_event);
  64.   return NULL;
  65. }

  67. /* Callback that is used when an exit event occurs.  This function
  68.    will create a new Python exited event object.  */

  70. int
  71. ‌emit_exited_event (const LONGEST *exit_code, struct inferior *inf)
  72. {
  73.   PyObject *event;

  75.   if (evregpy_no_listeners_p (gdb_py_events.exited))
  76.     return 0;

  78.   event = create_exited_event_object (exit_code, inf);

  80.   if (event)
  81.     return evpy_emit_event (event, gdb_py_events.exited);

  83.   return -1;
  84. }


  87. GDBPY_NEW_EVENT_TYPE (exited,
  88.                       "gdb.ExitedEvent",
  89.                       "ExitedEvent",
  90.                       "GDB exited event object",
  91.                       event_object_type,
  92.                       static);