1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 
  22 #
  23 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 
  27 # functions that are file operations... wait for files to be created &c.
  28 
  29 # any of the *_wait_* functions that take a timeout will use this value
  30 # if none is supplied by the caller.
  31 typeset lib_wait_time=${DEFAULT_WAIT_TIME:-30}
  32 
  33 # Wait for a file to be created
  34 # usage: file_wait_state <file> [timeout]
  35 # returns 0 if file exists, 1 otherwise
  36 function file_wait_exist {
  37         typeset filename="$1"
  38         typeset timeout=${2:-$lib_wait_time}
  39         typeset nsec=0
  40 
  41         [[ -z $filename ]] && return 1
  42 
  43         while [ $nsec -le $timeout ]; do
  44                 if [ -f "$filename" ]; then
  45                         return 0
  46                 fi
  47                 sleep 1
  48                 nsec=$((nsec + 1))
  49         done
  50         return 1
  51 }