cleanup worker heartbeat and master deathwatch

It turns out neither the EventMachine and Rev classes
checked for master death in its heartbeat mechanism.
Since we managed to forget the same thing twice, we
now have a test case for it and also centralized the
code to remove duplication.

1 files changed, 2 insertions, 8 deletions

diff --git a/lib/rainbows/revactor.rb b/lib/rainbows/revactor.rb
index ddcbc04..003b704 100644
--- a/lib/rainbows/revactor.rb
+++ b/lib/rainbows/revactor.rb
@@ -101,20 +101,14 @@ module Rainbows
         end
       end
 
-      m = 0
-      check_quit = lambda do
-        worker.tmp.chmod(m = 0 == m ? 1 : 0)
-        G.alive = false if master_pid != Process.ppid
-      end
-
       begin
         Actor.receive do |filter|
-          filter.after(1, &check_quit)
+          filter.after(1) { G.tick }
           filter.when(Case[:exit, Actor, Object]) do |_,actor,_|
             orig = clients.size
             clients.delete(actor.object_id)
             orig >= limit and listeners.each { |l| l << :resume }
-            check_quit.call
+            G.tick
           end
         end
       end while G.alive || clients.size > 0