| 1 | /* Copyright (C) 2009-2018 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 | /* thread events can either be thread specific or process wide. If gdb is |
| 24 | running in non-stop mode then the event is thread specific, otherwise |
| 25 | it is process wide. |
| 26 | This function returns the currently stopped thread in non-stop mode and |
| 27 | Py_None otherwise. In each case it returns a borrowed reference. */ |
| 28 | |
| 29 | static PyObject *get_event_thread (void) |
| 30 | CPYCHECKER_RETURNS_BORROWED_REF; |
| 31 | |
| 32 | static PyObject * |
| 33 | get_event_thread (void) |
| 34 | { |
| 35 | PyObject *thread; |
| 36 | |
| 37 | if (non_stop) |
| 38 | thread = (PyObject *) thread_to_thread_object (inferior_thread ()); |
| 39 | else |
| 40 | thread = Py_None; |
| 41 | |
| 42 | if (!thread) |
| 43 | { |
| 44 | PyErr_SetString (PyExc_RuntimeError, "Could not find event thread"); |
| 45 | return NULL; |
| 46 | } |
| 47 | |
| 48 | return thread; |
| 49 | } |
| 50 | |
| 51 | gdbpy_ref<> |
| 52 | create_thread_event_object (PyTypeObject *py_type, PyObject *thread) |
| 53 | { |
| 54 | gdbpy_ref<> thread_event_obj (create_event_object (py_type)); |
| 55 | if (thread_event_obj == NULL) |
| 56 | return NULL; |
| 57 | |
| 58 | if (thread == NULL) |
| 59 | { |
| 60 | thread = get_event_thread (); |
| 61 | if (!thread) |
| 62 | return NULL; |
| 63 | } |
| 64 | |
| 65 | if (evpy_add_attribute (thread_event_obj.get (), |
| 66 | "inferior_thread", |
| 67 | thread) < 0) |
| 68 | return NULL; |
| 69 | |
| 70 | return thread_event_obj; |
| 71 | } |