--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/jexec.rb Fri Aug 15 15:43:38 2008 +0000
@@ -0,0 +1,29 @@
+#!/usr/bin/ruby
+
+BEGIN {
+ require 'pathname'
+ basedir = Pathname.new( __FILE__ ).dirname.parent
+
+ $LOAD_PATH.unshift basedir + "ext" unless
+ $LOAD_PATH.include? basedir + "ext"
+}
+
+
+require 'bsdjail'
+
+jid = Integer( ARGV.shift )
+args = ARGV
+
+$deferr.puts "In process #{Process.pid}, about to jail_attach() with a block"
+
+childpid = BSD::Jail.attach( jid ) do
+ Dir.chdir( "/" )
+ $deferr.puts "Child #{Process.pid} exec()ing:", " " + args.join(" ")
+ exec( *args )
+end
+
+$deferr.puts "Parent: waiting on imprisoned child #{childpid}"
+Process.waitpid( childpid )
+
+$deferr.puts "Child exited with exit code: %d" % [ $?.exitstatus ]
+