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py-threadevent.c
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1/* Copyright (C) 2009-2023 Free Software Foundation, Inc.
2
3 This file is part of GDB.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18#include "defs.h"
19#include "py-event.h"
20#include "infrun.h"
21#include "gdbthread.h"
22
23/* See py-event.h. */
24
27{
28 if (non_stop)
29 {
30 thread_info *thread
31 = current_inferior ()->find_thread (ptid);
32 if (thread != nullptr)
33 return thread_to_thread_object (thread);
34 PyErr_SetString (PyExc_RuntimeError, "Could not find event thread");
35 return NULL;
36 }
37 return gdbpy_ref<>::new_reference (Py_None);
38}
39
41create_thread_event_object (PyTypeObject *py_type, PyObject *thread)
42{
43 gdb_assert (thread != NULL);
44
45 gdbpy_ref<> thread_event_obj = create_event_object (py_type);
46 if (thread_event_obj == NULL)
47 return NULL;
48
49 if (evpy_add_attribute (thread_event_obj.get (),
50 "inferior_thread",
51 thread) < 0)
52 return NULL;
53
54 return thread_event_obj;
55}
56
57/* Emits a thread exit event for THREAD */
58
59int
61{
62 if (evregpy_no_listeners_p (gdb_py_events.thread_exited))
63 return 0;
64
65 auto py_thr = thread_to_thread_object (thread);
66
67 if (py_thr == nullptr)
68 return -1;
69
70 auto inf_thr = create_thread_event_object (&thread_exited_event_object_type,
71 py_thr.get ());
72 if (inf_thr == nullptr)
73 return -1;
74
75 return evpy_emit_event (inf_thr.get (), gdb_py_events.thread_exited);
76}
thread_info * find_thread(ptid_t ptid)
Definition inferior.c:238
struct inferior * current_inferior(void)
Definition inferior.c:55
bool non_stop
Definition infrun.c:226
gdbpy_ref create_event_object(PyTypeObject *py_type)
Definition py-event.c:31
int evpy_add_attribute(PyObject *event, const char *name, PyObject *attr)
Definition py-event.c:50
int evpy_emit_event(PyObject *event, eventregistry_object *registry)
Definition py-event.c:83
events_object gdb_py_events
bool evregpy_no_listeners_p(eventregistry_object *registry)
gdbpy_ref thread_to_thread_object(thread_info *thr)
gdb::ref_ptr< T, gdbpy_ref_policy< T > > gdbpy_ref
Definition py-ref.h:42
gdbpy_ref create_thread_event_object(PyTypeObject *py_type, PyObject *thread)
gdbpy_ref py_get_event_thread(ptid_t ptid)
int emit_thread_exit_event(thread_info *thread)
int PyObject
Definition varobj.c:41