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authoryugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-08-25 15:13:14 +0000
committeryugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-08-25 15:13:14 +0000
commitd0233291bc8a5068e52c69c210e5979e5324b5bc (patch)
tree7d9459449c33792c63eeb7baa071e76352e0baab /trunk/sample/philos.rb
parent0dc342de848a642ecce8db697b8fecd83a63e117 (diff)
parent72eaacaa15256ab95c3b52ea386f88586fb9da40 (diff)
re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/sample/philos.rb')
-rw-r--r--trunk/sample/philos.rb54
1 files changed, 0 insertions, 54 deletions
diff --git a/trunk/sample/philos.rb b/trunk/sample/philos.rb
deleted file mode 100644
index 5c8f43c819..0000000000
--- a/trunk/sample/philos.rb
+++ /dev/null
@@ -1,54 +0,0 @@
-#
-# The Dining Philosophers - thread example
-#
-require "thread"
-
-srand
-#srand
-N=9 # number of philosophers
-$forks = []
-for i in 0..N-1
- $forks[i] = Mutex.new
-end
-$state = "-o"*N
-
-def wait
- sleep rand(20)/10.0
-end
-
-def think(n)
- wait
-end
-
-def eat(n)
- wait
-end
-
-def philosopher(n)
- while true
- think n
- $forks[n].lock
- if not $forks[(n+1)%N].try_lock
- $forks[n].unlock # avoid deadlock
- next
- end
- $state[n*2] = ?|;
- $state[(n+1)%N*2] = ?|;
- $state[n*2+1] = ?*;
- print $state, "\n"
- eat(n)
- $state[n*2] = ?-;
- $state[(n+1)%N*2] = ?-;
- $state[n*2+1] = ?o;
- print $state, "\n"
- $forks[n].unlock
- $forks[(n+1)%N].unlock
- end
-end
-
-for n in 0..N-1
- Thread.start(n){|i| philosopher(i)}
- sleep 0.1
-end
-
-sleep