1 /* Python interface to inferior exit events.
2 
3    Copyright (C) 2009-2012 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, struct inferior *inf)
26 {
27   PyObject *exited_event;
28   PyObject *inf_obj;
29 
30   exited_event = create_event_object (&exited_event_object_type);
31 
32   if (!exited_event)
33     goto fail;
34 
35   if (exit_code
36       && evpy_add_attribute (exited_event,
37 			     "exit_code",
38 			     PyLong_FromLongLong (*exit_code)) < 0)
39     goto fail;
40 
41   inf_obj = inferior_to_inferior_object (inf);
42   if (!inf_obj || evpy_add_attribute (exited_event,
43                                       "inferior",
44                                       inf_obj) < 0)
45     goto fail;
46 
47   return exited_event;
48 
49   fail:
50    Py_XDECREF (exited_event);
51    return NULL;
52 }
53 
54 /* Callback that is used when an exit event occurs.  This function
55    will create a new Python exited event object.  */
56 
57 int
58 emit_exited_event (const LONGEST *exit_code, struct inferior *inf)
59 {
60   PyObject *event;
61 
62   if (evregpy_no_listeners_p (gdb_py_events.exited))
63     return 0;
64 
65   event = create_exited_event_object (exit_code, inf);
66 
67   if (event)
68     return evpy_emit_event (event, gdb_py_events.exited);
69 
70   return -1;
71 }
72 
73 
74 GDBPY_NEW_EVENT_TYPE (exited,
75                       "gdb.ExitedEvent",
76                       "ExitedEvent",
77                       "GDB exited event object",
78                       event_object_type,
79                       static);
80