bt2: add interrupter support
[babeltrace.git] / src / bindings / python / bt2 / bt2 / interrupter.py
1 # The MIT License (MIT)
2 #
3 # Copyright (c) 2019 Philippe Proulx <pproulx@efficios.com>
4 #
5 # Permission is hereby granted, free of charge, to any person obtaining a copy
6 # of this software and associated documentation files (the "Software"), to deal
7 # in the Software without restriction, including without limitation the rights
8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 # copies of the Software, and to permit persons to whom the Software is
10 # furnished to do so, subject to the following conditions:
11 #
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
14 #
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 # THE SOFTWARE.
22
23 from bt2 import native_bt, object
24
25
26 class Interrupter(object._SharedObject):
27 _get_ref = staticmethod(native_bt.interrupter_get_ref)
28 _put_ref = staticmethod(native_bt.interrupter_put_ref)
29
30 def __init__(self):
31 ptr = native_bt.interrupter_create()
32
33 if ptr is None:
34 raise bt2.CreationError('cannot create interrupter object')
35
36 super().__init__(ptr)
37
38 @property
39 def is_set(self):
40 return bool(native_bt.interrupter_is_set(self._ptr))
41
42 def __bool__(self):
43 return self.is_set
44
45 def set(self):
46 native_bt.interrupter_set(self._ptr)
47
48 def reset(self):
49 native_bt.interrupter_reset(self._ptr)
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