examples/jexec.rb
author Mahlon E. Smith <mahlon@martini.nu>
Sat, 28 Feb 2009 06:52:48 +0000
changeset 6 2d52adc4adcc
parent 0 92d00ff32c56
child 7 4460fc10c6a3
permissions -rw-r--r--
* Merge of the mahlon experimental branch.
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#!/usr/bin/ruby
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BEGIN {
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	require 'pathname'
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	basedir = Pathname.new( __FILE__ ).dirname.parent
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	$LOAD_PATH.unshift basedir + "ext" unless 
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		$LOAD_PATH.include? basedir + "ext"
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}
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require 'bsdjail'
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jid = Integer( ARGV.shift )
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args = ARGV
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$deferr.puts "In process #{Process.pid}, about to jail_attach() with a block"
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childpid = BSD::Jail.attach( jid ) do
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	Dir.chdir( "/" )
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	$deferr.puts "Child #{Process.pid} exec()ing:", "  " + args.join(" ")
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	exec( *args )
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end
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$deferr.puts "Parent: waiting on imprisoned child #{childpid}"
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Process.waitpid( childpid )
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$deferr.puts "Child exited with exit code: %d" % [ $?.exitstatus ]
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