from bt2 import stream_class as bt2_stream_class
from bt2 import field_class as bt2_field_class
from bt2 import trace as bt2_trace
-from bt2 import trace_class as bt2_trace_class
from bt2 import value as bt2_value
import collections.abc
import functools
return utils._ListenerHandle(listener_id, self)
+ def remove_destruction_listener(self, listener_handle):
+ utils._check_type(listener_handle, utils._ListenerHandle)
+
+ if listener_handle._obj.addr != self.addr:
+ raise ValueError(
+ 'This trace class destruction listener does not match the trace object.'
+ )
+
+ if listener_handle._listener_id is None:
+ raise ValueError(
+ 'This trace class destruction listener was already removed.'
+ )
+
+ status = native_bt.trace_class_remove_destruction_listener(
+ self._ptr, listener_handle._listener_id
+ )
+ utils._handle_func_status(status)
+ listener_handle._listener_id = None
+
class _TraceClass(_TraceClassConst):
_borrow_stream_class_ptr_by_index = staticmethod(
user_attributes,
)
- def create_real_field_class(self, is_single_precision=False, user_attributes=None):
- field_class_ptr = native_bt.field_class_real_create(self._ptr)
- self._check_field_class_create_status(field_class_ptr, 'real')
+ def create_single_precision_real_field_class(self, user_attributes=None):
+ field_class_ptr = native_bt.field_class_real_single_precision_create(self._ptr)
+ self._check_field_class_create_status(field_class_ptr, 'single-precision real')
- field_class = bt2_field_class._RealFieldClass._create_from_ptr(field_class_ptr)
+ field_class = bt2_field_class._SinglePrecisionRealFieldClass._create_from_ptr(
+ field_class_ptr
+ )
+
+ self._set_field_class_user_attrs(field_class, user_attributes)
+
+ return field_class
+
+ def create_double_precision_real_field_class(self, user_attributes=None):
+ field_class_ptr = native_bt.field_class_real_double_precision_create(self._ptr)
+ self._check_field_class_create_status(field_class_ptr, 'double-precision real')
+
+ field_class = bt2_field_class._DoublePrecisionRealFieldClass._create_from_ptr(
+ field_class_ptr
+ )
- field_class._is_single_precision = is_single_precision
self._set_field_class_user_attrs(field_class, user_attributes)
return field_class