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d98dd47313
* test/dtrace/helper.rb (DTrace::TestCase#trap_probe): ruby-runner cannot be the target of dtrace, use miniruby instead. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
66 lines
1.6 KiB
Ruby
66 lines
1.6 KiB
Ruby
# -*- coding: us-ascii -*-
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# frozen_string_literal: false
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require 'test/unit'
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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.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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case RUBY_PLATFORM
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when /solaris/i
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# increase bufsize to 8m (default 4m on Solaris)
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DTRACE_CMD = %w[dtrace -b 8m]
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end
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DTRACE_CMD ||= %w[dtrace]
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case rubybin = EnvUtil.rubybin
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when /\/ruby-runner#{Regexp.quote(RbConfig::CONFIG["EXEEXT"])}\z/
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RUBYBIN = File.dirname(rubybin)+"/miniruby#{RbConfig::CONFIG["EXEEXT"]}"
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else
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RUBYBIN = rubybin
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end
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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_CMD, "-q", "-s", d_path, "-c", "#{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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