discourse/script/check_forking.rb

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# frozen_string_literal: true
require File.expand_path("../../config/environment", __FILE__)
def pretty
puts "<before>"
puts PrettyText.cook("My pid is #{Process.pid}")
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GC.start
sleep 1
puts "done gc"
end
Discourse.after_fork
pretty
child = fork do
Discourse.after_fork
pretty
grand_child = fork do
Discourse.after_fork
pretty
puts "try to exit"
Process.kill "KILL", Process.pid
end
puts "before wait 2"
Process.wait grand_child
puts "after wait 2"
Process.kill "KILL", Process.pid
end
puts "before wait 1"
Process.wait child
puts "after wait 1"