summaryrefslogtreecommitdiffstats
path: root/external/poky/meta/recipes-core/busybox/files/mdev-mount.sh
diff options
context:
space:
mode:
authorToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp>2020-03-30 09:24:26 +0900
committerToshikazuOhiwa <toshikazu_ohiwa@mail.toyota.co.jp>2020-03-30 09:24:26 +0900
commit5b80bfd7bffd4c20d80b7c70a7130529e9a755dd (patch)
treeb4bb18dcd1487dbf1ea8127e5671b7bb2eded033 /external/poky/meta/recipes-core/busybox/files/mdev-mount.sh
parent706ad73eb02caf8532deaf5d38995bd258725cb8 (diff)
agl-basesystem
Diffstat (limited to 'external/poky/meta/recipes-core/busybox/files/mdev-mount.sh')
-rw-r--r--external/poky/meta/recipes-core/busybox/files/mdev-mount.sh63
1 files changed, 63 insertions, 0 deletions
diff --git a/external/poky/meta/recipes-core/busybox/files/mdev-mount.sh b/external/poky/meta/recipes-core/busybox/files/mdev-mount.sh
new file mode 100644
index 00000000..130e9472
--- /dev/null
+++ b/external/poky/meta/recipes-core/busybox/files/mdev-mount.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+MDEV_AUTOMOUNT=y
+MDEV_AUTOMOUNT_ROOT=/run/media
+[ -f /etc/default/mdev ] && . /etc/default/mdev
+if [ "${MDEV_AUTOMOUNT}" = "n" ] ; then
+ exit 0
+fi
+
+case "$ACTION" in
+ add|"")
+ ACTION="add"
+ # check if already mounted
+ if grep -q "^/dev/${MDEV} " /proc/mounts ; then
+ # Already mounted
+ exit 0
+ fi
+ DEVBASE=`expr substr $MDEV 1 3`
+ if [ "${DEVBASE}" = "mmc" ] ; then
+ DEVBASE=`expr substr $MDEV 1 7`
+ fi
+ # check for "please don't mount it" file
+ if [ -f "/dev/nomount.${DEVBASE}" ] ; then
+ # blocked
+ exit 0
+ fi
+ # check for full-disk partition
+ if [ "${DEVBASE}" = "${MDEV}" ] ; then
+ if [ -f /sys/block/${DEVBASE}/${DEVBASE}*1/partition ] ; then
+ # Partition detected, just quit
+ exit 0
+ fi
+ if [ ! -f /sys/block/${DEVBASE}/size ] ; then
+ # No size at all
+ exit 0
+ fi
+ if [ "`cat /sys/block/${DEVBASE}/size`" = "0" ] ; then
+ # empty device, bail out
+ exit 0
+ fi
+ fi
+ # first allow fstab to determine the mountpoint
+ if ! mount /dev/$MDEV > /dev/null 2>&1
+ then
+ MOUNTPOINT="${MDEV_AUTOMOUNT_ROOT}/$MDEV"
+ mkdir -p "$MOUNTPOINT"
+ mount -t auto /dev/$MDEV "$MOUNTPOINT" || rmdir "$MOUNTPOINT"
+ fi
+ ;;
+ remove)
+ MOUNTPOINT=`grep "^/dev/$MDEV\s" /proc/mounts | cut -d' ' -f 2`
+ if [ ! -z "$MOUNTPOINT" ]
+ then
+ umount "$MOUNTPOINT"
+ rmdir "$MOUNTPOINT"
+ else
+ umount /dev/$MDEV
+ fi
+ ;;
+ *)
+ # Unexpected keyword
+ exit 1
+ ;;
+esac