| 1 | /* Python interface to inferior continue events. |
| 2 | |
| 3 | Copyright (C) 2009-2020 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 | #include "gdbthread.h" |
| 23 | |
| 24 | /* Create a gdb.ContinueEvent event. gdb.ContinueEvent is-a |
| 25 | gdb.ThreadEvent, and thread events can either be thread specific or |
| 26 | process wide. If gdb is running in non-stop mode then the event is |
| 27 | thread specific (in which case the PTID thread is included in the |
| 28 | event), otherwise it is process wide (in which case PTID is |
| 29 | ignored). In either case a new reference is returned. */ |
| 30 | |
| 31 | static gdbpy_ref<> |
| 32 | create_continue_event_object (ptid_t ptid) |
| 33 | { |
| 34 | gdbpy_ref<> py_thr = py_get_event_thread (ptid); |
| 35 | |
| 36 | if (py_thr == nullptr) |
| 37 | return nullptr; |
| 38 | |
| 39 | return create_thread_event_object (&continue_event_object_type, |
| 40 | py_thr.get ()); |
| 41 | } |
| 42 | |
| 43 | /* Callback function which notifies observers when a continue event occurs. |
| 44 | This function will create a new Python continue event object. |
| 45 | Return -1 if emit fails. */ |
| 46 | |
| 47 | int |
| 48 | emit_continue_event (ptid_t ptid) |
| 49 | { |
| 50 | if (evregpy_no_listeners_p (gdb_py_events.cont)) |
| 51 | return 0; |
| 52 | |
| 53 | gdbpy_ref<> event = create_continue_event_object (ptid); |
| 54 | if (event != NULL) |
| 55 | return evpy_emit_event (event.get (), gdb_py_events.cont); |
| 56 | return -1; |
| 57 | } |