text: #!/bin/ksh -p
  #
  # CDDL HEADER START
  #
  # The contents of this file are subject to the terms of the
  # Common Development and Distribution License (the "License").
  # You may not use this file except in compliance with the License.
  #
  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  # or http://www.opensolaris.org/os/licensing.
  # See the License for the specific language governing permissions
  # and limitations under the License.
  #
  # When distributing Covered Code, include this CDDL HEADER in each
  # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  # If applicable, add the following below this CDDL HEADER, with the
  # fields enclosed by brackets "[]" replaced with your own identifying
  # information: Portions Copyright [yyyy] [name of copyright owner]
  #
  # CDDL HEADER END
  #
  
  #
  # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
  
  if [ $# != 1 ]; then
  	echo expected one argument: '<'dtrace-path'>'
  	exit 2
  fi
  
  dtrace=$1
  
  #
  # Let's see if we can successfully specify a module using partial
  # matches as well as the full module name. We'll use 'libc.so.1'
  # (and therefore 'libc' and 'libc.so') as it's definitely there.
  #
  
  for lib in libc libc.so libc.so.1 'lib[c]*'; do
  	sleep 60 &
  	pid=$!
  	dtrace -n "pid$pid:$lib::entry" -n 'tick-2s{exit(0);}'
  	status=$?
  
  	kill $pid
  
  	if [ $status -gt 0 ]; then
  		exit $status
  	fi
  done
  
  exit $status
  