1 files changed, 4 insertions, 5 deletions
diff --git a/sample/philos.rb b/sample/philos.rb
index 3ccb052532..c38aa4a1cc 100644
--- a/sample/philos.rb
+++ b/sample/philos.rb
@@ -1,14 +1,13 @@
 #
 # The Dining Philosophers - thread example
 #
-require "thread"
 
 srand
 #srand
 N=9				# number of philosophers
 $forks = []
 for i in 0..N-1
-  $forks[i] = Mutex.new
+  $forks[i] = Thread::Mutex.new
 end
 $state = "-o"*N
 
@@ -25,7 +24,7 @@ def eat(n)
 end
 
 def philosopher(n)
-  while TRUE
+  while true
     think n
     $forks[n].lock
     if not $forks[(n+1)%N].try_lock
@@ -46,8 +45,8 @@ def philosopher(n)
   end
 end
 
-for i in 0..N-1
-  Thread.start{philosopher(i)}
+for n in 0..N-1
+  Thread.start(n){|i| philosopher(i)}
   sleep 0.1
 end