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Protect against MUTEX_TIMEOUT=0

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@154 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep 2002-07-24 15:03:06 +00:00
parent 1c235e096d
commit 7ae7fc3089
2 changed files with 30 additions and 32 deletions
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31
Lrp/var/lib/shorewall/functions
View File

@ -1,3 +1,4 @@
#!/bin/sh
#
# Shorewall 1.3 -- /var/lib/shorewall/functions
@ -118,30 +119,28 @@ get_statedir()
mutex_on()
{
local try=0
local max=
local int=1
local lockf=$STATEDIR/lock
MUTEX_TIMEOUT=${MUTEX_TIMEOUT:-60}
max=${MUTEX_TIMEOUT}
if [ $MUTEX_TIMEOUT -gt 0 ]; then
[ -d $STATEDIR ] || mkdir -p $STATEDIR
[ -d $STATEDIR ] || mkdir -p $STATEDIR
if qt which lockfile; then
lockfile -${MUTEX_TIMEOUT} -r1 ${lockf}
else
while [ -f ${lockf} -a ${try} -lt ${max} ] ; do
sleep ${int}
try=$((${try} + 1))
if qt which lockfile; then
lockfile -${MUTEX_TIMEOUT} -r1 ${lockf}
else
while [ -f ${lockf} -a ${try} -lt ${MUTEX_TIMEOUT} ] ; do
sleep 1
try=$((${try} + 1))
done
if [ ${try} -lt ${max} ] ; then
# Create the lockfile
echo $$ > ${lockf}
else
echo "Giving up on lock file ${lockf}" >&2
if [ ${try} -lt ${MUTEX_TIMEOUT} ] ; then
# Create the lockfile
echo $$ > ${lockf}
else
echo "Giving up on lock file ${lockf}" >&2
fi
fi
fi
}

31
Shorewall/functions
View File

@ -1,3 +1,4 @@
#!/bin/sh
#
# Shorewall 1.3 -- /var/lib/shorewall/functions
@ -118,30 +119,28 @@ get_statedir()
mutex_on()
{
local try=0
local max=
local int=1
local lockf=$STATEDIR/lock
MUTEX_TIMEOUT=${MUTEX_TIMEOUT:-60}
max=${MUTEX_TIMEOUT}
if [ $MUTEX_TIMEOUT -gt 0 ]; then
[ -d $STATEDIR ] || mkdir -p $STATEDIR
[ -d $STATEDIR ] || mkdir -p $STATEDIR
if qt which lockfile; then
lockfile -${MUTEX_TIMEOUT} -r1 ${lockf}
else
while [ -f ${lockf} -a ${try} -lt ${max} ] ; do
sleep ${int}
try=$((${try} + 1))
if qt which lockfile; then
lockfile -${MUTEX_TIMEOUT} -r1 ${lockf}
else
while [ -f ${lockf} -a ${try} -lt ${MUTEX_TIMEOUT} ] ; do
sleep 1
try=$((${try} + 1))
done
if [ ${try} -lt ${max} ] ; then
# Create the lockfile
echo $$ > ${lockf}
else
echo "Giving up on lock file ${lockf}" >&2
if [ ${try} -lt ${MUTEX_TIMEOUT} ] ; then
# Create the lockfile
echo $$ > ${lockf}
else
echo "Giving up on lock file ${lockf}" >&2
fi
fi
fi
}