Ruby 版的 PinkTrace 示例 pink-fork-linux.rb
#!/usr/bin/env ruby# coding: utf-8
# vim: set sw=2 sts=2 et fenc=utf-8 :
=begin
An example demonstrating the tracing fork
=end
require 'PinkTrace'
pid = fork do
# Prepare for tracing.
PinkTrace::Trace.me
# Stop to give the parent a chance to resume execution after setting options.
Process.kill 'STOP', Process.pid
puts "hello world"
end
Process.wait # sets $?
event = PinkTrace::Event.decide # uses $?.status by default
unless event == PinkTrace::Event::EVENT_STOP
puts "wtf?"
PinkTrace::Trace.kill pid
exit 1
end
# Set tracing options
PinkTrace::Trace.setup pid
# Let the child resume its execution.
PinkTrace::Trace.resume pid
# Wait for the child to exit.
Process.wait
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