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|
# -*- sh -*-
# vim:ft=sh:ts=8:sw=4:noet
AddConfigHandler FilesystemsOptions
AddConfigHelp "Unmount <mount point or device> [...]" "If you have network shares or external devices that should be unmounted before suspending, list them here."
AddConfigHelp "Mount <mount point or device> [...]" "If you have network shares or external devices that should be mounted after resuming, list them here."
AddConfigHelp "UnmountFSTypes <filesystem type> [...]" "Unmounts any filesystems of the given types. This is most useful for network filesystems such as smbfs and nfs."
AddConfigHelp "UnmountGraceTime <seconds>" "Time between sending SIGTERM to processes and SIGKILL to allow them to cleanup gracefully.. The default is 1 second."
FS_UNMOUNT_GRACE=1
FilesystemsUnmount() {
local mnt
local unmounts
[ -z "$FS_UNMOUNTS" ] && return 0
for mnt in $FS_UNMOUNTS ; do
unmounts="$unmounts"`awk '($1 == "'$mnt'" || $2 == "'$mnt'" ){print " " $2}' /proc/mounts`
done
[ -z "$unmounts" ] && return 0
FilesystemsUnmountReal $unmounts
# exit status preserved.
}
FilesystemsUnmountReal() {
local mnt
local ret
local needsleep
needsleep=0
# Send TERM to processes first
if [ x"$KILL_PROGRAMS" = "x1" ] ; then
for mnt in $* ; do
if ! awk '($2 == "'$mnt'"){exit 1}' /proc/mounts ; then
vecho 1 "Sending SIGTERM to processes using $mnt..."
fuser -s -k -15 $mnt 2>/dev/null
fuser -s $mnt && needsleep=1
fi
done
fi
[ "$needsleep" -eq 1 ] && sleep $FS_UNMOUNT_GRACE
# Send KILL to processes and unmount
ret=0
for mnt in $* ; do
if ! awk '($2 == "'$mnt'"){exit 1}' /proc/mounts ; then
if [ x"$KILL_PROGRAMS" = "x1" ] ; then
vecho 1 "Sending SIGKILL to processes using $mnt..."
fuser -s -k -9 $mnt 2>/dev/null
fi
vecho 1 "Unmounting $mnt ..."
umount $mnt || ret=1
fi
done
return $ret
}
FSTypesUnmount() {
local fstype
local ret
[ -z "$FS_TYPES" ] && return 0
ret=0
for fstype in $FS_TYPES ; do
local unmounts
unmounts=`awk '($3 == "'$fstype'") {print $2}' /proc/mounts | sort -r`
[ -z "$unmounts" ] && continue
vecho 2 "Filesystems of type \"$fstype\" to unmount: $unmounts"
FilesystemsUnmountReal $unmounts || ret=$?
done
return $ret
}
FilesystemsMount() {
local mnt
local ret
[ -z "$FS_MOUNTS" ] && return 0
ret=0
for mnt in $FS_MOUNTS ; do
vecho 1 "Mounting $mnt ..."
mount $mnt || ret=1
done
return $ret
}
FilesystemsOptions() {
case $1 in
unmount)
[ -z "$FS_UNMOUNTS" ] && AddSuspendHook 50 FilesystemsUnmount
shift
FS_UNMOUNTS="$FS_UNMOUNTS $@"
;;
unmountfstypes)
[ -z "$FS_TYPES" ] && AddSuspendHook 45 FSTypesUnmount
shift
FS_TYPES="$FS_TYPES $@"
;;
unmountgracetime)
case $2 in
*[!0-9.]*)
vecho 0 "UnmountGraceTime not numeric (expecting number of seconds)"
;;
*)
FS_UNMOUNT_GRACE=$2
;;
esac
;;
mount)
[ -z "$FS_MOUNTS" ] && AddResumeHook 50 FilesystemsMount
shift
FS_MOUNTS="$FS_MOUNTS $@"
;;
*)
return 1
esac
return 0
}
# $Id$
|
