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14c9944e88
class variable. use test/unit instead of minitest/autorun. dispose `Interrupted system call' error messages at parallel test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40630 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
51 lines
1.2 KiB
Ruby
51 lines
1.2 KiB
Ruby
# -*- coding: us-ascii -*-
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require 'test/unit'
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require 'tempfile'
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require_relative '../ruby/envutil'
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if Process.euid == 0
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ok = true
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elsif (sudo = ENV["SUDO"]) and !sudo.empty? 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 < Test::Unit::TestCase
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INCLUDE = File.expand_path('..', File.dirname(__FILE__))
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def trap_probe d_program, ruby_program
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d = Tempfile.new(%w'probe .d')
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d.write d_program
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d.flush
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rb = Tempfile.new(%w'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", "#{EnvUtil.rubybin} -I#{INCLUDE} #{rb_path}"]
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if sudo = @@sudo
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[RbConfig::CONFIG["LIBPATHENV"], "RUBY", "RUBYOPT"].each do |name|
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if name and val = ENV[name]
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cmd.unshift("#{name}=#{val}")
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end
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end
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cmd.unshift(sudo)
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end
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probes = IO.popen(cmd, err: [:child, :out]) 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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if ok
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DTrace::TestCase.class_variable_set(:@@sudo, sudo)
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end
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