1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2018 Dell EMC Isilon 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# tmpfs(5) version of fifo2.sh 31# No problems seen on HEAD. 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34 35. ../default.cfg 36 37odir=`pwd` 38cd /tmp 39sed '1,/^EOF/d' < $odir/fifo2.sh > fifo2.c 40rm -f /tmp/fifo2 41mycc -o fifo2 -Wall -Wextra -O2 -g fifo2.c -lpthread || exit 1 42rm -f fifo2.c 43 44mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint 45 46mount -o size=1g -t tmpfs tmpfs $mntpoint 47chmod 777 $mntpoint 48for i in `jot 5`; do 49 mkfifo $mntpoint/f$i 50 chmod 777 $mntpoint/f$i 51done 52 53daemon sh -c "(cd $odir/../testcases/swap; ./swap -t 10m -i 20 -l 100)" > \ 54 /dev/null 55sleeptime=12 56st=`date '+%s'` 57while [ $((`date '+%s'` - st)) -lt $((10 * sleeptime)) ]; do 58 (cd $mntpoint; /tmp/fifo2) & 59 while ! pgrep -q fifo2; do :; done 60 start=`date '+%s'` 61 while [ $((`date '+%s'` - start)) -lt $sleeptime ]; do 62 pgrep -q fifo2 || break 63 sleep .5 64 done 65 while pgrep -q fifo2; do pkill -9 fifo2; done 66 wait 67done 68pkill -9 swap fifo2 69while pgrep -q "swap|fifo2"; do pkill -9 swap fifo2; done 70 71for i in `jot 10`; do 72 mount | grep -q "on $mntpoint " && \ 73 umount $mntpoint > /dev/null 2>&1 && break 74 sleep 10 75done 76s=0 77mount | grep -q "on $mntpoint " && 78 { echo "umount $mntpoint failed"; s=1; } 79rm -f /tmp/fifo2 80exit $s 81