Classic deadlock: two threads and two locks : Mutex « Threads « Ruby

1. Ruby
2. Threads
3. Mutex

Classic deadlock: two threads and two locks

require 'thread'

m,n = Mutex.new, Mutex.new

t = Thread.new {
  m.lock
  puts "Thread t locked Mutex m"
  sleep 1
  puts "Thread t waiting to lock Mutex n"
  n.lock
}

s = Thread.new {
  n.lock
  puts "Thread s locked Mutex n"
  sleep 1
  puts "Thread s waiting to lock Mutex m"
  m.lock
}

t.join
s.join

 

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