slitaz-boot-scripts annotate etc/init.d/rcS @ rev 435

tee never exit with busybox > 24
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sat Jan 07 12:30:04 2017 +0100 (2017-01-07)
parents 29ec74a6d359
children b09c326b9374
rev   line source
pankso@5 1 #!/bin/sh
pankso@302 2 #
pankso@302 3 # /etc/init.d/rcS : Initial boot script for SliTaz GNU/Linux
pankso@302 4 # Configuration file : /etc/rcS.conf
pankso@5 5 #
pankso@153 6 # rcS is the main initialization script used to check fs, mount, clean,
pankso@153 7 # run scripts and start daemons.
pankso@5 8 #
pankso@5 9 . /etc/init.d/rc.functions
pankso@5 10 . /etc/rcS.conf
pankso@5 11
pankso@302 12 # Set PATH, TZ and boot time.
pankso@302 13 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
pankso@262 14 [ -s /etc/TZ ] && export TZ="$(cat /etc/TZ)"
pankso@187 15
pascal@276 16 case "$1" in
pascal@276 17
pascal@276 18 readonly)
pankso@246 19
al@393 20 colorize 34 'Processing: /etc/init.d/rcS...'
pankso@171 21
pankso@306 22 # Mount /proc
al@416 23 action 'Mounting proc filesystem on /proc'
al@416 24 mount proc
al@416 25 status
pankso@302 26
slaxemulator@247 27 # Trigger Udev and handle hotplug events
pankso@305 28 if [ "$UDEV" == "yes" ]; then
al@416 29 action 'Mounting devtmpfs filesystem on: /dev'
pankso@302 30 mount -t devtmpfs devtmpfs /dev
pankso@302 31 status
al@393 32
al@393 33 echo 'Starting udev daemon...'
pankso@302 34 udevd --daemon 2>/dev/null
al@393 35
al@393 36 echo 'Udevadm requesting events from the Kernel...'
slaxemulator@260 37 udevadm trigger
al@393 38
al@393 39 echo 'Udevadm waiting for the event queue to finish...'
pankso@302 40 udevadm settle --timeout=120
pankso@302 41 # Disable hotplug helper since udevd listen to netlink
al@393 42 echo '' > /proc/sys/kernel/hotplug
pankso@356 43 else
al@416 44 action 'Executing mdev -s to populate /dev...'
al@393 45 mdev -s && echo 'mdev' > /proc/sys/kernel/hotplug
pankso@305 46 status
pankso@305 47 fi
pankso@305 48
pankso@305 49 # Before mounting filesystems we check fs specified in the file
pankso@305 50 # /etc/rcS.conf and variable $CHECK_FS. WE need udev started to
pankso@305 51 # have /dev/* populated
pankso@305 52 if [ "$CHECK_FS" ]; then
pankso@305 53 mount -o remount,ro /
pankso@305 54 for i in $CHECK_FS; do
pankso@305 55 colorize 36 "Checking filesystem: $i"
pankso@305 56 e2fsck -p $i
pankso@305 57 done
pankso@305 58 fi
pankso@305 59
pankso@305 60 # Remount rootfs rw.
al@393 61 echo 'Remounting rootfs read/write...'
pankso@305 62 mount -o remount,rw /
pascal@381 63 sync # ensure rw state
pankso@305 64
MikeDSmith25@107 65 # Mount filesystems in /etc/fstab.
al@393 66 echo 'Mounting filesystems in fstab...'
pankso@302 67 mount -a
pankso@305 68 ;;
pankso@305 69
al@393 70
pankso@305 71 readwrite)
pankso@302 72
pankso@302 73 # Be quiet
al@393 74 echo '0 0 0 0' > /proc/sys/kernel/printk
pankso@5 75
pankso@157 76 # Store boot messages to log files.
pankso@302 77 dmesg > /var/log/dmesg.log &
pascal@276 78
pascal@276 79 # Parse cmdline args for earlier boot options. All other boot options
pascal@276 80 # are in /etc/init./bootopts.sh.
al@416 81 action 'Searching for early boot options...'
al@393 82 for opt in $(cat /proc/cmdline); do
pascal@276 83 case $opt in
pascal@276 84 modprobe=*)
al@393 85 export MODPROBE='yes' ;;
pascal@276 86 config=*)
pascal@276 87 export CONFIG=${opt#config=} ;;
pankso@349 88 screen=*)
pankso@349 89 export SCREEN=${opt#screen=} ;;
pascal@276 90 *)
pascal@276 91 continue ;;
pascal@276 92 esac
pascal@276 93 done
pascal@276 94 status
pascal@41 95
paul@351 96 # Clean up the system and set up tmp dirs. */run/* are tmpfs so they are
paul@351 97 # cleaned up at shutdown.
al@393 98 if [ "$CLEAN_UP_SYSTEM" == 'yes' ]; then
al@416 99 action 'Cleaning up the system...'
pankso@345 100 rm -rf /tmp
pankso@345 101 mkdir -p /tmp/.X11-unix /tmp/.ICE-unix
pankso@302 102 chmod -R 1777 /tmp
pankso@157 103 status
pankso@157 104 else
al@393 105 echo 'System clean up is disabled in: /etc/rcS.conf'
pankso@262 106 fi
pankso@262 107
gokhlayeh@241 108 # Handle kernel cmdline parameter modprobe=<module_list>
pankso@302 109 if [ "$MODPROBE" ]; then
pankso@306 110 mods=$(sed -e 's/.* modprobe=\([^ ]*\).*/\1/' -e 's/,/\n/g' < /proc/cmdline)
pankso@306 111 for i in $mods; do
al@416 112 action 'Loading kernel module: $i'
pankso@302 113 modprobe $i
gokhlayeh@241 114 status
pankso@15 115 done
pankso@15 116 fi
pankso@15 117
gokhlayeh@241 118 # Handle kernel cmdline parameter config=<device>,<path> to source a
pankso@5 119 # disk init script
pankso@158 120 if [ -n "$CONFIG" ]; then
pankso@5 121 DEVICE=${CONFIG%,*}
pankso@5 122 SCRIPT=${CONFIG#*,}
pascal@110 123 echo "Probing $DEVICE... "
pankso@302 124 if ! mount -r $DEVICE /mnt; then
al@393 125 if echo $DEVICE | grep -Eq '/dev/sd|UUID=|LABEL='; then
pankso@302 126 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
pascal@110 127 USBDELAY=$((1+$USBDELAY))
pascal@110 128 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
pascal@110 129 sleep $USBDELAY
pascal@110 130 fi
pankso@302 131 if ! mount -r $DEVICE /mnt; then
pascal@110 132 CONFIG=""
pascal@110 133 fi
pascal@110 134 fi
al@416 135 action 'Source $SCRIPT from $DEVICE...'
pascal@110 136 if [ -n "$CONFIG" ]; then
pankso@5 137 . /mnt/$SCRIPT
pankso@302 138 umount /mnt 2> /dev/null || true
pankso@5 139 fi
gokhlayeh@241 140 status
pankso@5 141 fi
pankso@5 142
pankso@302 143 # Mount /proc/bus/usb
pascal@124 144 if [ -d /proc/bus/usb ]; then
al@416 145 action 'Mounting usbfs filesystem on: /proc/bus/usb'
pankso@302 146 mount -t usbfs usbfs /proc/bus/usb
pascal@124 147 status
pascal@124 148 fi
pascal@124 149
pankso@302 150 # Start syslogd and klogd
al@416 151 action 'Starting system log daemon: syslogd...'
al@416 152 syslogd -s $SYSLOGD_ROTATED_SIZE; status
al@416 153 action 'Starting kernel log daemon: klogd...'
al@416 154 klogd; status
pankso@262 155
pankso@302 156 # Load all modules listed in config file
pankso@302 157 if [ "$LOAD_MODULES" ]; then
al@393 158 colorize 33 'Loading Kernel modules...'
pankso@302 159 for mod in $LOAD_MODULES; do
al@416 160 action 'Loading module: $mod'
pankso@5 161 modprobe $mod
pankso@302 162 status
pankso@5 163 done
pankso@5 164 fi
pankso@5 165
pankso@153 166 # Detect PCI and USB devices with Tazhw from slitaz-tools. We load
paul@181 167 # kernel modules only at first boot or in LiveCD mode.
pankso@153 168 if [ ! -s /var/lib/detected-modules ]; then
pankso@302 169 tazhw init
pankso@153 170 fi
pankso@153 171
paul@344 172 # Call udevadm trigger to ensure /dev is fully populated now that all
pankso@262 173 # modules are loaded.
al@393 174 if [ "$UDEV" == 'yes' ]; then
al@416 175 action 'Triggering udev events: --action=add'
pankso@302 176 udevadm trigger --action=add
slaxemulator@260 177 status
slaxemulator@260 178 fi
slaxemulator@260 179
pankso@302 180 # Start all scripts specified with $RUN_SCRIPTS
pankso@302 181 for script in $RUN_SCRIPTS; do
pankso@302 182 echo $(colorize 34 "Processing: /etc/init.d/$script")
pankso@302 183 /etc/init.d/$script
pankso@5 184 done
pankso@5 185
pankso@365 186 # Start X session. Dbus must be started before Xorg and other daemons.
pankso@365 187 # We started it here because X is run before RUN_DAEMONS. Sleep, in
paul@395 188 # some live modes we boot too fast and X can't initialize.
al@393 189 if [ "$SCREEN" != 'text' ] && [ "$LOGIN_MANAGER" ] &&
pascal@385 190 [ -x /usr/bin/tazx ] && [ -s /etc/slitaz/applications.conf ] &&
pankso@365 191 [ -x "/etc/init.d/$LOGIN_MANAGER" ]; then
al@393 192 colorize 36 'Starting X environment...'
pankso@359 193 # We need Xorg 40-Keyboard.conf and SliTaz applications.conf
al@393 194 if [ ! -s '/etc/X11/xorg.conf.d/40-Keyboard.conf' ]; then
al@393 195 echo 'Configuring Xorg server...' && HOME='/root'
pankso@359 196 tazx init
pankso@359 197 fi
pankso@365 198 /etc/init.d/dbus start
pankso@359 199 (sleep 2; /etc/init.d/${LOGIN_MANAGER} start >/dev/null) &
pankso@359 200 fi
pankso@359 201
pankso@302 202 # Start all daemons specified with $RUN_DAEMONS
pankso@302 203 if [ "$RUN_DAEMONS" ]; then
pankso@302 204 colorize 33 "Starting all daemons..."
pankso@302 205 for daemon in $RUN_DAEMONS; do
pascal@385 206 [ -x /etc/init.d/$daemon ] &&
pankso@32 207 /etc/init.d/$daemon start
pankso@302 208 done
pankso@5 209 fi
pankso@5 210
pankso@302 211 # Back to a verbose mode
al@393 212 (sleep 6 && echo '7 4 1 7' > /proc/sys/kernel/printk) &
pankso@302 213
pankso@302 214 if [ "$MESSAGE" ]; then
pankso@302 215 newline
pankso@302 216 colorize 32 "$MESSAGE"
pankso@302 217 fi
pascal@276 218 ;;
pankso@187 219
pascal@276 220 *)
pankso@305 221 # --> readonly --> readwrite
pascal@310 222 if [ ! -s /run/boot.log ]; then
pascal@310 223 # Mount /run as tmpfs runtime data are not written to disk
pascal@310 224 mount -t tmpfs tmpfs /run
pascal@338 225 # cp -a in tazpkg does not support /var/run symlink
pascal@338 226 mount --bind /run /var/run
pankso@306 227 fi
pascal@310 228 /etc/init.d/rcS readonly 2>&1 | tee -a /run/boot.log
pascal@309 229 # Logrotate boot.log
pankso@305 230 last=.9
pankso@305 231 for i in .8 .7 .6 .5 .4 .3 .2 .1 .0 '' ; do
pankso@306 232 mv -f /var/log/boot.log${i} /var/log/boot.log${last} 2>/dev/null
pankso@305 233 last=$i
pankso@305 234 done
pascal@310 235 mv -f /run/boot.log /var/log/boot.log
pascal@308 236 /etc/init.d/rcS readwrite 2>&1 | tee -a /var/log/boot.log ;;
pascal@276 237 esac
pascal@435 238 busybox ps | sed '/tee -a .*boot.log/!d;s/ root.*//' | xargs kill 2> /dev/null