Multi-target support

[deliverable/binutils-gdb.git] / gdb / python / py-threadevent.c

diff --git a/gdb/python/py-threadevent.c b/gdb/python/py-threadevent.c
index a735a0a06e50339edbfa3ccd8da651dcde21dc4e..3be86b71daa3327e8920926928f119732eb5da64 100644 (file)
--- a/gdb/python/py-threadevent.c
+++ b/gdb/python/py-threadevent.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2012 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -17,61 +17,40 @@
 
 #include "defs.h"
 #include "py-event.h"
+#include "infrun.h"
+#include "gdbthread.h"
 
-/* thread events can either be thread specific or process wide.  If gdb is
-   running in non-stop mode then the event is thread specific, otherwise
-   it is process wide.
-   This function returns the currently stopped thread in non-stop mode and
-   Py_None otherwise.  In each case it returns a borrowed reference.  */
+/* See py-event.h.  */
 
-static PyObject *
-get_event_thread (void)
+gdbpy_ref<>
+py_get_event_thread (ptid_t ptid)
 {
-  PyObject *thread = NULL;
-
   if (non_stop)
-    thread = (PyObject *) find_thread_object (inferior_ptid);
-  else
-    thread = Py_None;
-
-  if (!thread)
     {
+      thread_info *thread
+       = find_thread_ptid (current_inferior ()->process_target (),
+                           ptid);
+      if (thread != nullptr)
+       return thread_to_thread_object (thread);
       PyErr_SetString (PyExc_RuntimeError, "Could not find event thread");
       return NULL;
     }
-
-  return thread;
+  return gdbpy_ref<>::new_reference (Py_None);
 }
 
-PyObject *
-create_thread_event_object (PyTypeObject *py_type)
+gdbpy_ref<>
+create_thread_event_object (PyTypeObject *py_type, PyObject *thread)
 {
-  PyObject *thread = NULL;
-  PyObject *thread_event_obj = NULL;
+  gdb_assert (thread != NULL);
 
-  thread_event_obj = create_event_object (py_type);
-  if (!thread_event_obj)
-    goto fail;
+  gdbpy_ref<> thread_event_obj = create_event_object (py_type);
+  if (thread_event_obj == NULL)
+    return NULL;
 
-  thread = get_event_thread ();
-  if (!thread)
-    goto fail;
-
-  if (evpy_add_attribute (thread_event_obj,
+  if (evpy_add_attribute (thread_event_obj.get (),
                           "inferior_thread",
                           thread) < 0)
-    goto fail;
+    return NULL;
 
   return thread_event_obj;
-
-  fail:
-   Py_XDECREF (thread_event_obj);
-   return NULL;
 }
-
-GDBPY_NEW_EVENT_TYPE (thread,
-                      "gdb.ThreadEvent",
-                      "ThreadEvent",
-                      "GDB thread event object",
-                      event_object_type,
-                      /*no qual*/);