Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | # Copyright (C) 2011, 2012 O.S. Systems Software LTDA. |
| 3 | # Licensed on MIT |
| 4 | |
| 5 | udev_shutdown_hook_handler() { |
| 6 | status=$1 |
| 7 | module=$2 |
| 8 | if [ "$status" = "pre" ] && [ "$module" = "finish" ]; then |
Brad Bishop | 6ef3265 | 2018-10-09 18:59:25 +0100 | [diff] [blame] | 9 | udevadm settle |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 10 | killall `basename $_UDEV_DAEMON` 2>/dev/null |
| 11 | fi |
| 12 | } |
| 13 | |
| 14 | udev_daemon() { |
| 15 | OPTIONS="/sbin/udev/udevd /sbin/udevd /lib/udev/udevd /lib/systemd/systemd-udevd" |
| 16 | |
| 17 | for o in $OPTIONS; do |
| 18 | if [ -x "$o" ]; then |
| 19 | echo $o |
| 20 | return 0 |
| 21 | fi |
| 22 | done |
| 23 | |
| 24 | return 1 |
| 25 | } |
| 26 | |
| 27 | _UDEV_DAEMON=`udev_daemon` |
| 28 | |
| 29 | udev_enabled() { |
| 30 | if [ -z "$_UDEV_DAEMON" ]; then |
| 31 | msg "WARNING: Cannot find the udev daemon; daemon will not be started in initramfs." |
| 32 | return 1 |
| 33 | fi |
| 34 | |
| 35 | return 0 |
| 36 | } |
| 37 | |
| 38 | udev_run() { |
| 39 | add_module_pre_hook "udev_shutdown_hook_handler" |
| 40 | |
| 41 | mkdir -p /run |
Patrick Williams | d8c66bc | 2016-06-20 12:57:21 -0500 | [diff] [blame] | 42 | mkdir -p /var/run |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 43 | |
Andrew Geissler | 82c905d | 2020-04-13 13:39:40 -0500 | [diff] [blame] | 44 | # Workaround if console=null, systemd-udevd needs valid stdin, stdout and stderr to work |
| 45 | sh -c "exec 4< /dev/console" || { exec 0> /dev/null; exec 1> /dev/null; exec 2> /dev/null; } |
| 46 | |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 47 | $_UDEV_DAEMON --daemon |
| 48 | udevadm trigger --action=add |
| 49 | udevadm settle |
| 50 | } |