1 /* Python interface to inferior exit events. 2 3 Copyright (C) 2009-2015 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 PyTypeObject exited_event_object_type 24 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object"); 25 26 static PyObject * 27 create_exited_event_object (const LONGEST *exit_code, struct inferior *inf) 28 { 29 PyObject *exited_event; 30 PyObject *inf_obj = NULL; 31 32 exited_event = create_event_object (&exited_event_object_type); 33 34 if (!exited_event) 35 goto fail; 36 37 if (exit_code) 38 { 39 PyObject *exit_code_obj = PyLong_FromLongLong (*exit_code); 40 int failed; 41 42 if (exit_code_obj == NULL) 43 goto fail; 44 45 failed = evpy_add_attribute (exited_event, "exit_code", 46 exit_code_obj) < 0; 47 Py_DECREF (exit_code_obj); 48 if (failed) 49 goto fail; 50 } 51 52 inf_obj = inferior_to_inferior_object (inf); 53 if (!inf_obj || evpy_add_attribute (exited_event, 54 "inferior", 55 inf_obj) < 0) 56 goto fail; 57 Py_DECREF (inf_obj); 58 59 return exited_event; 60 61 fail: 62 Py_XDECREF (inf_obj); 63 Py_XDECREF (exited_event); 64 return NULL; 65 } 66 67 /* Callback that is used when an exit event occurs. This function 68 will create a new Python exited event object. */ 69 70 int 71 emit_exited_event (const LONGEST *exit_code, struct inferior *inf) 72 { 73 PyObject *event; 74 75 if (evregpy_no_listeners_p (gdb_py_events.exited)) 76 return 0; 77 78 event = create_exited_event_object (exit_code, inf); 79 80 if (event) 81 return evpy_emit_event (event, gdb_py_events.exited); 82 83 return -1; 84 } 85 86 87 GDBPY_NEW_EVENT_TYPE (exited, 88 "gdb.ExitedEvent", 89 "ExitedEvent", 90 "GDB exited event object", 91 event_object_type, 92 static); 93