gdb/python/py-exitedevent.c

   1 /* Python interface to inferior exit events.
   2
   3    Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   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.
  11
  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.
  16
  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/>.  */
  19
  20 #include "py-event.h"
  21
  22 static PyTypeObject exited_event_object_type;
  23
  24 static PyObject *
  25 create_exited_event_object (const LONGEST *exit_code)
  26 {
  27   PyObject *exited_event;
  28
  29   exited_event = create_event_object (&exited_event_object_type);
  30
  31   if (!exited_event)
  32     goto fail;
  33
  34   if (exit_code
  35       && evpy_add_attribute (exited_event,
  36                              "exit_code",
  37                              PyLong_FromLongLong (*exit_code)) < 0)
  38     goto fail;
  39
  40   return exited_event;
  41
  42   fail:
  43    Py_XDECREF (exited_event);
  44    return NULL;
  45 }
  46
  47 /* Callback that is used when an exit event occurs.  This function
  48    will create a new Python exited event object.  */
  49
  50 int
  51 emit_exited_event (const LONGEST *exit_code)
  52 {
  53   PyObject *event;
  54
  55   if (evregpy_no_listeners_p (gdb_py_events.exited))
  56     return 0;
  57
  58   event = create_exited_event_object (exit_code);
  59
  60   if (event)
  61     return evpy_emit_event (event, gdb_py_events.exited);
  62
  63   return -1;
  64 }
  65
  66
  67 GDBPY_NEW_EVENT_TYPE (exited,
  68                       "gdb.ExitedEvent",
  69                       "ExitedEvent",
  70                       "GDB exited event object",
  71                       event_object_type,
  72                       static);