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xpp: astribank_hook: wait for udev to settle

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When running the astribank_hook (only on Astribanks, in XPP_HOTPLUG_DAHDI
mode), wait for all other Astribanks to create all the required device
files.

Signed-off-by: Oron Peled <oron.peled@xorcom.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

git-svn-id: http://svn.astersk.org/svn/dahdi/tools/trunk@10585 17933a7a-c749-41c5-a318-cba88f637d49
This commit is contained in:
Oron Peled 2012-03-22 17:38:57 +00:00 committed by Tzafrir Cohen
parent 88818f66cb
commit 4c7786a696
1 changed files with 27 additions and 0 deletions
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@ -68,7 +68,34 @@ NUM_WANTED=`clean_lines | sed '/^$/d' | wc -l`
NUM_GOOD=`matched_devices | wc -l`
LOCK="/var/lock/twinstar_startup"
# Wait until udev finished processing our requests
# so we know the device files were actually created
# before trying dahdi_cfg et-al.
wait_for_udev() {
UDEV_SETTLE_MAX_TIME=10
echo "Waiting for udev to settle down..."
if [ -x /sbin/udevsettle ]; then
# Old system, stand-alone udevsettle command
time /sbin/udevsettle --timeout="$UDEV_SETTLE_MAX_TIME"
elif [ -x /sbin/udevadm ]; then
# Assume modern system, udevadm has settle parameter
if ! time /sbin/udevadm settle --timeout="$UDEV_SETTLE_MAX_TIME"
then
echo "udevadm failed ($?)."
echo "Fallback to sleep $UDEV_SETTLE_MAX_TIME seconds."
sleep "$UDEV_SETTLE_MAX_TIME"
fi
else
echo "No udevsettle/udevadm."
echo "Fallback to sleep $UDEV_SETTLE_MAX_TIME seconds."
sleep "$UDEV_SETTLE_MAX_TIME"
fi
sleep 1 # Wait a bit more (races)
}
start_dahdi() {
wait_for_udev
script=/etc/init.d/dahdi
echo "Starting $script."
"$script" start | logger -i -t "$script"