bt2: add interrupter support

[babeltrace.git] / src / bindings / python / bt2 / bt2 / interrupter.py

diff --git a/src/bindings/python/bt2/bt2/interrupter.py b/src/bindings/python/bt2/bt2/interrupter.py
new file mode 100644 (file)
index 0000000..9c9868d
--- /dev/null
+++ b/src/bindings/python/bt2/bt2/interrupter.py
@@ -0,0 +1,49 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2019 Philippe Proulx <pproulx@efficios.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+from bt2 import native_bt, object
+
+
+class Interrupter(object._SharedObject):
+    _get_ref = staticmethod(native_bt.interrupter_get_ref)
+    _put_ref = staticmethod(native_bt.interrupter_put_ref)
+
+    def __init__(self):
+        ptr = native_bt.interrupter_create()
+
+        if ptr is None:
+            raise bt2.CreationError('cannot create interrupter object')
+
+        super().__init__(ptr)
+
+    @property
+    def is_set(self):
+        return bool(native_bt.interrupter_is_set(self._ptr))
+
+    def __bool__(self):
+        return self.is_set
+
+    def set(self):
+        native_bt.interrupter_set(self._ptr)
+
+    def reset(self):
+        native_bt.interrupter_reset(self._ptr)