diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-core/initrdscripts/initramfs-framework/udev')
-rw-r--r-- | import-layers/yocto-poky/meta/recipes-core/initrdscripts/initramfs-framework/udev | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-core/initrdscripts/initramfs-framework/udev b/import-layers/yocto-poky/meta/recipes-core/initrdscripts/initramfs-framework/udev new file mode 100644 index 0000000000..79c8867823 --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-core/initrdscripts/initramfs-framework/udev @@ -0,0 +1,46 @@ +#!/bin/sh +# Copyright (C) 2011, 2012 O.S. Systems Software LTDA. +# Licensed on MIT + +udev_shutdown_hook_handler() { + status=$1 + module=$2 + if [ "$status" = "pre" ] && [ "$module" = "finish" ]; then + killall `basename $_UDEV_DAEMON` 2>/dev/null + fi +} + +udev_daemon() { + OPTIONS="/sbin/udev/udevd /sbin/udevd /lib/udev/udevd /lib/systemd/systemd-udevd" + + for o in $OPTIONS; do + if [ -x "$o" ]; then + echo $o + return 0 + fi + done + + return 1 +} + +_UDEV_DAEMON=`udev_daemon` + +udev_enabled() { + if [ -z "$_UDEV_DAEMON" ]; then + msg "WARNING: Cannot find the udev daemon; daemon will not be started in initramfs." + return 1 + fi + + return 0 +} + +udev_run() { + add_module_pre_hook "udev_shutdown_hook_handler" + + mkdir -p /run + mkdir -p /var/run + + $_UDEV_DAEMON --daemon + udevadm trigger --action=add + udevadm settle +} |