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ruby--ruby/benchmark/vm_thread_mutex1.rb
k0kubun 433af16167 benchmark: drop all bm_ prefix for legacy driver.rb
benchmark/*.rb is only benchmarks now. We don't need prefixes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-07-10 13:08:40 +00:00

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289 B
Ruby

# one thread, one mutex (no contention)
require 'thread'
m = Thread::Mutex.new
r = 0
max = 2000
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