*magit: gevent*

diff --git a/gevent/greenlet.py b/gevent/greenlet.py
index 93076db..351aac6 100644
--- a/gevent/greenlet.py
+++ b/gevent/greenlet.py
@@ -156,6 +156,20 @@ class Greenlet(greenlet):
         self._notifier = None
         self._start_event = None
 
+        current = getcurrent()
+        self._leader = getattr(current, "_leader", None)
+        if self._leader is not None:
+            def killit(_):
+                print "KILLIT", self
+                self.kill()
+
+            print "linking to leader", self._leader
+            current.link(killit)
+            self.link(lambda _: current.unlink(killit))
+
+    def become_leader(self):
+        self._leader = getcurrent()
+
     @property
     def started(self):
         return self._start_event is not None or bool(self)