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 PyObject *
  25 create_exited_event_object (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 (evpy_add_attribute (exited_event,
  35                           "exit_code",
  36                           PyLong_FromLongLong (exit_code)) < 0)
  37     goto fail;
  38
  39   return exited_event;
  40
  41   fail:
  42    Py_XDECREF (exited_event);
  43    return NULL;
  44 }
  45
  46 /* Callback that is used when an exit event occurs.  This function
  47    will create a new Python exited event object.  */
  48
  49 int
  50 emit_exited_event (LONGEST exit_code)
  51 {
  52   PyObject *event;
  53
  54   if (evregpy_no_listeners_p (gdb_py_events.exited))
  55     return 0;
  56
  57   event = create_exited_event_object (exit_code);
  58
  59   if (event)
  60     return evpy_emit_event (event, gdb_py_events.exited);
  61
  62   return -1;
  63 }
  64
  65
  66 GDBPY_NEW_EVENT_TYPE (exited,
  67                       "gdb.ExitedEvent",
  68                       "ExitedEvent",
  69                       "GDB exited event object",
  70                       event_object_type,
  71                       static);