diff options
Diffstat (limited to 'yocto-poky/meta/recipes-core/udev/udev/init')
| -rw-r--r-- | yocto-poky/meta/recipes-core/udev/udev/init | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/yocto-poky/meta/recipes-core/udev/udev/init b/yocto-poky/meta/recipes-core/udev/udev/init deleted file mode 100644 index 0ab028b39..000000000 --- a/yocto-poky/meta/recipes-core/udev/udev/init +++ /dev/null @@ -1,142 +0,0 @@ -#!/bin/sh - -### BEGIN INIT INFO -# Provides: udev -# Required-Start: mountvirtfs -# Required-Stop: -# Default-Start: S -# Default-Stop: -# Short-Description: Start udevd, populate /dev and load drivers. -### END INIT INFO - -export TZ=/etc/localtime - -[ -d /sys/class ] || exit 1 -[ -r /proc/mounts ] || exit 1 -[ -x @UDEVD@ ] || exit 1 -SYSCONF_CACHED="/etc/udev/cache.data" -SYSCONF_TMP="/dev/shm/udev.cache" -DEVCACHE_REGEN="/dev/shm/udev-regen" # create to request cache regen - -# A list of files which are used as a criteria to judge whether the udev cache could be reused. -CMP_FILE_LIST="/proc/version /proc/cmdline /proc/devices" -[ -f /proc/atags ] && CMP_FILE_LIST="$CMP_FILE_LIST /proc/atags" - -# List of files whose metadata (size/mtime/name) will be included in cached -# system state. -META_FILE_LIST="lib/udev/rules.d/* etc/udev/rules.d/*" - -# Command to compute system configuration. -sysconf_cmd () { - cat -- $CMP_FILE_LIST - stat -c '%s %Y %n' -- $META_FILE_LIST | awk -F/ '{print $1 " " $NF;}' -} - -[ -f /etc/default/udev-cache ] && . /etc/default/udev-cache -[ -f /etc/udev/udev.conf ] && . /etc/udev/udev.conf -[ -f /etc/default/rcS ] && . /etc/default/rcS - -kill_udevd () { - pid=`pidof -x udevd` - [ -n "$pid" ] && kill $pid -} - -case "$1" in - start) - export ACTION=add - # propagate /dev from /sys - echo "Starting udev" - - # Check for requireed devtmpfs before trying to start udev and - # mount a no-existant fs. - if ! grep -q devtmpfs /proc/filesystems - then - echo "Missing devtmpfs, which is required for udev to run"; - echo "Halting..." - halt - fi - # mount the devtmpfs on /dev, if not already done - LANG=C awk '$2 == "/dev" && ($3 == "devtmpfs") { exit 1 }' /proc/mounts && { - mount -n -o mode=0755 -t devtmpfs none "/dev" - } - [ -e /dev/pts ] || mkdir -m 0755 /dev/pts - [ -e /dev/shm ] || mkdir -m 1777 /dev/shm - # the automount rule for udev needs /tmp directory available, as /tmp is a symlink - # to /var/tmp which in turn is a symlink to /var/volatile/tmp, we need to make sure - # /var/volatile/tmp directory to be available. - mkdir -m 1777 -p /var/volatile/tmp - - # Cache handling. - if [ "$DEVCACHE" != "" ]; then - if [ -e $DEVCACHE ]; then - sysconf_cmd > "$SYSCONF_TMP" - if cmp $SYSCONF_CACHED $SYSCONF_TMP >/dev/null; then - tar xmf $DEVCACHE -C / -m - not_first_boot=1 - [ "$VERBOSE" != "no" ] && echo "udev: using cache file $DEVCACHE" - [ -e $SYSCONF_TMP ] && rm -f "$SYSCONF_TMP" - [ -e "$DEVCACHE_REGEN" ] && rm -f "$DEVCACHE_REGEN" - else - # Output detailed reason why the cached /dev is not used - cat <<EOF -udev: Not using udev cache because of changes detected in the following files: -udev: $CMP_FILE_LIST -udev: $META_FILE_LIST -udev: The udev cache will be regenerated. To identify the detected changes, -udev: compare the cached sysconf at $SYSCONF_CACHED -udev: against the current sysconf at $SYSCONF_TMP -EOF - touch "$DEVCACHE_REGEN" - fi - else - if [ "$ROOTFS_READ_ONLY" != "yes" ]; then - # If rootfs is not read-only, it's possible that a new udev cache would be generated; - # otherwise, we do not bother to read files. - touch "$DEVCACHE_REGEN" - fi - fi - fi - - # make_extra_nodes - kill_udevd > "/dev/null" 2>&1 - - # trigger the sorted events - [ -e /proc/sys/kernel/hotplug ] && echo -e '\000' >/proc/sys/kernel/hotplug - @UDEVD@ -d - - udevadm control --env=STARTUP=1 - if [ "$not_first_boot" != "" ];then - if [ "$PROBE_PLATFORM_BUS" != "yes" ]; then - PLATFORM_BUS_NOMATCH="--subsystem-nomatch=platform" - else - PLATFORM_BUS_NOMATCH="" - fi - udevadm trigger --action=add --subsystem-nomatch=tty --subsystem-nomatch=mem --subsystem-nomatch=vc --subsystem-nomatch=vtconsole --subsystem-nomatch=misc --subsystem-nomatch=dcon --subsystem-nomatch=pci_bus --subsystem-nomatch=graphics --subsystem-nomatch=backlight --subsystem-nomatch=video4linux $PLATFORM_BUS_NOMATCH - (udevadm settle --timeout=3; udevadm control --env=STARTUP=)& - else - udevadm trigger --action=add - udevadm settle - fi - ;; - stop) - echo "Stopping udevd" - start-stop-daemon --stop --name udevd --quiet - ;; - restart) - $0 stop - sleep 1 - $0 start - ;; - status) - pid=`pidof -x udevd` - if [ -n "$pid" ]; then - echo "udevd (pid $pid) is running ..." - else - echo "udevd is stopped" - fi - ;; - *) - echo "Usage: $0 {start|stop|status|restart}" - exit 1 -esac -exit 0 |
