GDB (xrefs)

py-exitedevent.c
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1 /* Python interface to inferior exit events.
2
3 Copyright (C) 2009-2018 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 PyObject *
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 (PyLong_FromLongLong (*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<> inf_obj (inferior_to_inferior_object (inf));
43 if (inf_obj == NULL || evpy_add_attribute (exited_event.get (),
44 "inferior",
45 inf_obj.get ()) < 0)
46 return NULL;
47
48 return exited_event.release ();
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 }
emit_exited_event
int emit_exited_event(const LONGEST *exit_code, struct inferior *inf)
Definition: py-exitedevent.c:55
inferior
Definition: inferior.h:310
defs.h
create_exited_event_object
static PyObject * create_exited_event_object(const LONGEST *exit_code, struct inferior *inf)
Definition: py-exitedevent.c:24
evpy_add_attribute
int evpy_add_attribute(PyObject *event, const char *name, PyObject *attr)
Definition: py-event.c:50
gdb::ref_ptr< T, gdbpy_ref_policy< T > >
inf
Definition: gnu-nat.c:174
gdb_py_events
events_object gdb_py_events
Definition: py-evtregistry.c:25
py-event.h
gdb::ref_ptr::release
T * release()
Definition: gdb_ref_ptr.h:138
gdb::ref_ptr::get
T * get() const
Definition: gdb_ref_ptr.h:130
create_event_object
gdbpy_ref create_event_object(PyTypeObject *py_type)
Definition: py-event.c:31
evpy_emit_event
int evpy_emit_event(PyObject *event, eventregistry_object *registry)
Definition: py-event.c:83
evregpy_no_listeners_p
int evregpy_no_listeners_p(eventregistry_object *registry)
Definition: py-evtregistry.c:120
inferior_to_inferior_object
PyObject * inferior_to_inferior_object(struct inferior *inferior)
Definition: py-inferior.c:211
LONGEST
long long LONGEST
Definition: common-types.h:52