mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
a72f033447
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
21 lines
266 B
Ruby
21 lines
266 B
Ruby
# two threads, one mutex
|
|
|
|
require 'thread'
|
|
m = Mutex.new
|
|
r = 0
|
|
max = 1000
|
|
lmax = (max * max)/2
|
|
(1..2).map{
|
|
Thread.new{
|
|
i=0
|
|
while i<lmax
|
|
i+=1
|
|
m.synchronize{
|
|
r += 1
|
|
}
|
|
end
|
|
}
|
|
}.each{|e|
|
|
e.join
|
|
}
|
|
raise r.to_s if r != max * max
|