require_relative 'bench_helper'

module BenchGetpid
  iter = ITER

  module Posix
    extend FFI::Library
    ffi_lib 'c'
    if FFI::Platform.windows?
      attach_function :getpid, :_getpid, [], :uint, :save_errno => false
    else
      attach_function :getpid, [], :uint, :save_errno => false
    end
  end


  puts "pid=#{Process.pid} Foo.getpid=#{Posix.getpid}"
  puts "Benchmark FFI getpid performance, #{iter}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0; while i < iter
        Posix.getpid
        i += 1
      end
    }
  }
  puts "Benchmark Process.pid performance, #{iter}x calls"
  10.times {
    puts Benchmark.measure {
      i = 0; while i < iter
        Process.pid
        i += 1
      end
    }
  }
end