lib/core: intro `Task`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/core/kernel.nit b/lib/core/kernel.nit
index 650360a..84bd844 100644 (file)
--- a/lib/core/kernel.nit
+++ b/lib/core/kernel.nit
@@ -1067,3 +1067,14 @@ extern class Pointer
        # Free the memory pointed by this pointer
        fun free `{ free(self); `}
 end
+
+# Task with a `main` method to be implemented by subclasses
+#
+# This class is provided for compatibility between different parallelization systems.
+# It can be used to run a fragment of code on a different thread and
+# to register a reaction to UI events.
+interface Task
+
+       # Main method of this task
+       fun main do end
+end