gdb/python/py-events.h

   1 /* Python interface to inferior events.
   2
   3    Copyright (C) 2009-2016 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 #ifndef GDB_PY_EVENTS_H
  21 #define GDB_PY_EVENTS_H
  22
  23 #include "command.h"
  24 #include "python-internal.h"
  25 #include "inferior.h"
  26
  27 extern PyTypeObject thread_event_object_type
  28     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
  29
  30 /* Stores a list of objects to be notified when the event for which this
  31    registry tracks occurs.  */
  32
  33 typedef struct
  34 {
  35   PyObject_HEAD
  36
  37   PyObject *callbacks;
  38 } eventregistry_object;
  39
  40 /* Struct holding references to event registries both in python and c.
  41    This is meant to be a singleton.  */
  42
  43 typedef struct
  44 {
  45   eventregistry_object *stop;
  46   eventregistry_object *cont;
  47   eventregistry_object *exited;
  48   eventregistry_object *new_objfile;
  49   eventregistry_object *clear_objfiles;
  50   eventregistry_object *inferior_call;
  51   eventregistry_object *memory_changed;
  52   eventregistry_object *register_changed;
  53
  54   PyObject *module;
  55
  56 } events_object;
  57
  58 /* Python events singleton.  */
  59 extern events_object gdb_py_events;
  60
  61 extern eventregistry_object *create_eventregistry_object (void);
  62 extern int evregpy_no_listeners_p (eventregistry_object *registry);
  63
  64 #endif /* GDB_PY_EVENTS_H */