lib/gtk3app/slot.rb in gtk3app-1.5.2 vs lib/gtk3app/slot.rb in gtk3app-2.0.0

@@ -9,14 +9,13 @@
   def self.numbers
     1.upto(CONFIG[:Slots]){|n|yield(n.to_s)}
   end
 
   def self.get
-    alive = Sys::ProcTable.ps.select{|p|p.cmdline=~/ruby.*\bgtk3app\b/}.map{|p|p.pid.to_s}.is(true)
     Slot.dbm do |db|
       Slot.numbers do |slot|
-        unless alive[db[slot]]
+        unless db[slot]
           db[slot]=$$.to_s
           return slot.to_i
         end
       end
     end
@@ -25,7 +24,19 @@
 
   def self.release(slot)
     Slot.dbm{|db|db.delete(slot.to_s)}
   end
 
+  def self.gc
+    Thread.new do
+      Slot.dbm do |db|
+        Slot.numbers do |slot|
+          if pid = db[slot]
+            db.delete(slot) unless File.directory?("/proc/#{pid}")
+          end
+        end
+      end
+    end
+  end
+  Slot.gc
 end
 end