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Diffstat (limited to 'benchmark/bm_vm4_thread_mutex2.rb')
-rw-r--r-- | benchmark/bm_vm4_thread_mutex2.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/benchmark/bm_vm4_thread_mutex2.rb b/benchmark/bm_vm4_thread_mutex2.rb new file mode 100644 index 0000000000..a74e2fd490 --- /dev/null +++ b/benchmark/bm_vm4_thread_mutex2.rb @@ -0,0 +1,21 @@ +# 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 |