From 6ea852769e7d5d47c01d36f8f7cecb13ecb7d6a9 Mon Sep 17 00:00:00 2001 From: Tzafrir Cohen Date: Thu, 22 Mar 2012 17:38:57 +0000 Subject: xpp: astribank_hook: wait for udev to settle 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 Acked-by: Tzafrir Cohen git-svn-id: http://svn.asterisk.org/svn/dahdi/tools/trunk@10585 a0bf4364-ded3-4de4-8d8a-66a801d63aff --- xpp/astribank_hook | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/xpp/astribank_hook b/xpp/astribank_hook index 074ea31..0888733 100755 --- a/xpp/astribank_hook +++ b/xpp/astribank_hook @@ -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" -- cgit v1.2.3