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Add new_inferior, inferior_deleted, and new_thread events

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This adds a few new events to gdb's Python layer: new_inferior,
inferior_deleted, and new_thread.  I wanted to be able to add a
combined inferior/thread display window to my GUI, and I needed a few
events to make this work.  This is PR python/15622.

ChangeLog
2017-09-11  Tom Tromey  <tom@tromey.com>

	PR python/15622:
	* NEWS: Add entry.
	* python/python.c (do_start_initialization): Initialize new event
	types.
	* python/python-internal.h (gdbpy_initialize_new_inferior_event)
	(gdbpy_initialize_inferior_deleted_event)
	(gdbpy_initialize_new_thread_event): Declare.
	* python/py-threadevent.c (create_thread_event_object): Add option
	"thread" parameter.
	* python/py-inferior.c (new_thread_event_object_type)
	(new_inferior_event_object_type)
	(inferior_deleted_event_object_type): Declare.
	(python_new_inferior, python_inferior_deleted): New functions.
	(add_thread_object): Emit new_thread event.
	(gdbpy_initialize_inferior): Attach new functions to corresponding
	observers.
	(new_thread, new_inferior, inferior_deleted): Define new event
	types.
	* python/py-evts.c (gdbpy_initialize_py_events): Add new
	registries.
	* python/py-events.h (events_object) <new_inferior,
	inferior_deleted, new_thread>: New fields.
	* python/py-event.h (create_thread_event_breakpoint): Add optional
	"thread" parameter.

doc/ChangeLog
2017-09-11  Tom Tromey  <tom@tromey.com>

	* python.texi (Events In Python): Document new events.

testsuite/ChangeLog
2017-09-11  Tom Tromey  <tom@tromey.com>

	* gdb.python/py-infthread.exp: Add tests for new_thread event.
	* gdb.python/py-inferior.exp: Add tests for new inferior events.
This commit is contained in:
Tom Tromey
2017-09-05 12:07:00 -06:00
parent 4ec521f238
commit 7c96f8c1da
14 changed files with 229 additions and 7 deletions
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3
gdb/python/py-event.h
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@ -125,7 +125,8 @@ extern int evpy_emit_event (PyObject *event,
eventregistry_object *registry);
extern PyObject *create_event_object (PyTypeObject *py_type);
extern PyObject *create_thread_event_object (PyTypeObject *py_type);
extern PyObject *create_thread_event_object (PyTypeObject *py_type,
PyObject *thread = nullptr);
extern int emit_new_objfile_event (struct objfile *objfile);
extern int emit_clear_objfiles_event (void);