зеркало из https://github.com/github/ruby.git
40 строки
919 B
Ruby
40 строки
919 B
Ruby
# -*- coding: us-ascii -*-
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require 'minitest/autorun'
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require 'tempfile'
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if Process.euid == 0
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ok = true
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elsif (sudo = ENV["SUDO"]) and (`#{sudo} echo ok` rescue false)
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ok = true
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else
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ok = false
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end
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ok &= (`dtrace -V` rescue false)
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module DTrace
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class TestCase < MiniTest::Unit::TestCase
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INCLUDE = File.expand_path(File.join(File.dirname(__FILE__), '..'))
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def trap_probe d_program, ruby_program
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d = Tempfile.new('probe.d')
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d.write d_program
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d.flush
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rb = Tempfile.new('probed.rb')
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rb.write ruby_program
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rb.flush
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d_path = d.path
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rb_path = rb.path
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cmd = ["dtrace", "-q", "-s", d_path, "-c", "#{Gem.ruby} -I#{INCLUDE} #{rb_path}"]
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sudo = ENV["SUDO"] and cmd.unshift(sudo)
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probes = IO.popen(cmd) do |io|
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io.readlines
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end
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d.close(true)
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rb.close(true)
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yield(d_path, rb_path, probes)
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end
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end
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end if ok
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