Environment in Child thread : fork « Threads « Ruby

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Ruby » Threads » fork

Environment in Child thread





ENV["alpha"] = "123"

ENV["beta"]  = "456"

fork do   

  x = ENV["alpha"]

  ENV["beta"] = "789"

  y = ENV["beta"]

  puts " Child: alpha = #{x}"

  puts " Child: beta  = #{y}"

end

Process.wait

a = ENV["alpha"]

b = ENV["beta"]

puts "Parent: alpha = #{a}"

puts "Parent: beta  = #{b}"

Related examples in the same category

1.	fork is a method provided by the Kernel module that creates a fork of the current process.
2.	fork a number of listening processes to increase the maximum number of connections
3.	Fork a child process
4.	Is it a parent process or a child process
5.	fork with block

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