xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/python/py-exitedevent.c (revision 8b657b0747480f8989760d71343d6dd33f8d4cf9)
1 /* Python interface to inferior exit events.
2 
3    Copyright (C) 2009-2023 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 "defs.h"
21 #include "py-event.h"
22 
23 static gdbpy_ref<>
24 create_exited_event_object (const LONGEST *exit_code, struct inferior *inf)
25 {
26   gdbpy_ref<> exited_event = create_event_object (&exited_event_object_type);
27 
28   if (exited_event == NULL)
29     return NULL;
30 
31   if (exit_code)
32     {
33       gdbpy_ref<> exit_code_obj = gdb_py_object_from_longest (*exit_code);
34 
35       if (exit_code_obj == NULL)
36 	return NULL;
37       if (evpy_add_attribute (exited_event.get (), "exit_code",
38 			      exit_code_obj.get ()) < 0)
39 	return NULL;
40     }
41 
42   gdbpy_ref<inferior_object> inf_obj = inferior_to_inferior_object (inf);
43   if (inf_obj == NULL || evpy_add_attribute (exited_event.get (),
44 					     "inferior",
45 					     (PyObject *) inf_obj.get ()) < 0)
46     return NULL;
47 
48   return exited_event;
49 }
50 
51 /* Callback that is used when an exit event occurs.  This function
52    will create a new Python exited event object.  */
53 
54 int
55 emit_exited_event (const LONGEST *exit_code, struct inferior *inf)
56 {
57   if (evregpy_no_listeners_p (gdb_py_events.exited))
58     return 0;
59 
60   gdbpy_ref<> event = create_exited_event_object (exit_code, inf);
61 
62   if (event != NULL)
63     return evpy_emit_event (event.get (), gdb_py_events.exited);
64 
65   return -1;
66 }
67