GDB (xrefs)
py-threadevent.c
Go to the documentation of this file.
1 /* Copyright (C) 2009-2015 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 
22 /* thread events can either be thread specific or process wide. If gdb is
23  running in non-stop mode then the event is thread specific, otherwise
24  it is process wide.
25  This function returns the currently stopped thread in non-stop mode and
26  Py_None otherwise. In each case it returns a borrowed reference. */
27 
28 static PyObject *get_event_thread (void)
30 
31 static PyObject *
32 get_event_thread (void)
33 {
34  PyObject *thread = NULL;
35 
36  if (non_stop)
37  thread = (PyObject *) find_thread_object (inferior_ptid);
38  else
39  thread = Py_None;
40 
41  if (!thread)
42  {
43  PyErr_SetString (PyExc_RuntimeError, "Could not find event thread");
44  return NULL;
45  }
46 
47  return thread;
48 }
49 
50 PyObject *
51 create_thread_event_object (PyTypeObject *py_type)
52 {
53  PyObject *thread = NULL;
54  PyObject *thread_event_obj = NULL;
55 
56  thread_event_obj = create_event_object (py_type);
57  if (!thread_event_obj)
58  goto fail;
59 
60  thread = get_event_thread ();
61  if (!thread)
62  goto fail;
63 
64  if (evpy_add_attribute (thread_event_obj,
65  "inferior_thread",
66  thread) < 0)
67  goto fail;
68 
69  return thread_event_obj;
70 
71  fail:
72  Py_XDECREF (thread_event_obj);
73  return NULL;
74 }
75 
76 GDBPY_NEW_EVENT_TYPE (thread,
77  "gdb.ThreadEvent",
78  "ThreadEvent",
79  "GDB thread event object",
PyObject * create_thread_event_object(PyTypeObject *py_type)
#define CPYCHECKER_RETURNS_BORROWED_REF
GDBPY_NEW_EVENT_TYPE(thread,"gdb.ThreadEvent","ThreadEvent","GDB thread event object", event_object_type)
thread_object * find_thread_object(ptid_t ptid)
Definition: py-inferior.c:280
int evpy_add_attribute(PyObject *event, char *name, PyObject *attr)
Definition: py-event.c:56
PyObject * create_event_object(PyTypeObject *py_type)
Definition: py-event.c:31
int non_stop
Definition: infrun.c:180
ptid_t inferior_ptid
Definition: infcmd.c:124
PyTypeObject event_object_type
Definition: py-event.c:143
static PyObject * get_event_thread(void)