Add Process and Signals support

Signed-off-by: Jan Lindemann <jan@janware.com>

tools/python/jwutils/asyncio/Process.py

@@ -0,0 +1,20 @@
+from abc import abstractmethod
+
+from ..Process import Process as ProcessBase
+from .Signals import Signals
+
+class Process(ProcessBase): # export
+
+    __signals = Signals()
+
+    def __init__(self, aio):
+        super().__init()
+        self.aio = aio
+
+    @classmethod
+    @abstractmethod
+    def signals(cls):
+        return cls.__signals
+
+    def wait(self):
+        return self.aio.wait()