1#!/usr/local/bin/ksh93 -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# $FreeBSD$ 24 25# 26# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 27# Use is subject to license terms. 28# 29# ident "@(#)link_count_001.ksh 1.2 07/01/09 SMI" 30# 31. $STF_SUITE/include/libtest.kshlib 32 33################################################################################ 34# 35# __stc_assertion_start 36# 37# ID: link_count_001 38# 39# DESCRIPTION: 40# Verify file link count is zero on zfs 41# 42# STRATEGY: 43# 1. Make sure this test executes on multi-processes system 44# 2. Make zero size files and remove them in the background 45# 3. Call the binary 46# 4. Make sure the files can be removed successfully 47# 48# TESTABILITY: explicit 49# 50# TEST_AUTOMATION_LEVEL: automated 51# 52# CODING_STATUS: COMPLETED (2006-07-13) 53# 54# __stc_assertion_end 55# 56################################################################################ 57 58verify_runnable "both" 59 60log_assert "Verify file link count is zero on zfs" 61 62# Detect and make sure this test must be executed on a multi-process system 63NCPUS=`sysctl -n kern.smp.cpus` 64#NCPUS=`sysctl -a | awk -F '"' '/cpu count="[0-9+]"/ {print $2; exit}'` 65if [[ $? -ne 0 || -z "$NCPUS" || "$NCPUS" -le 1 ]]; then 66 log_unsupported "This test must be executed on a multi-processor system." 67fi 68 69log_must $MKDIR -p ${TESTDIR}/tmp 70 71typeset -i i=0 72while [ $i -lt $NUMFILES ]; do 73 (( i = i + 1 )) 74 $TOUCH ${TESTDIR}/tmp/x$i > /dev/null 2>&1 75done 76 77sleep 3 78 79$RM -f ${TESTDIR}/tmp/x* >/dev/null 2>&1 80 81$RM_LNKCNT_ZERO_FILE ${TESTDIR}/tmp/test${TESTCASE_ID} > /dev/null 2>&1 & 82PID=$! 83log_note "$RM_LNKCNT_ZERO_FILE ${TESTDIR}/tmp/test${TESTCASE_ID} pid: $PID" 84 85i=0 86while [ $i -lt $ITERS ]; do 87 if ! $PGREP $RM_LNKCNT_ZERO_FILE > /dev/null ; then 88 log_note "$RM_LNKCNT_ZERO_FILE completes" 89 break 90 fi 91 log_must $SLEEP 10 92 (( i = i + 1 )) 93done 94 95if $PGREP $RM_LNKCNT_ZERO_FILE > /dev/null; then 96 log_must $KILL -9 $PID 97 log_fail "file link count is zero" 98fi 99 100log_must $RM -f ${TESTDIR}/tmp/test${TESTCASE_ID}* 101 102log_pass "Verify file link count is zero on zfs" 103