2011-06-13 10:05:56 -04:00
|
|
|
# one thread, one mutex (no contention)
|
|
|
|
|
|
|
|
require 'thread'
|
|
|
|
m = Mutex.new
|
|
|
|
r = 0
|
|
|
|
max = 1000
|
|
|
|
lmax = max * max
|
|
|
|
(1..1).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
|