wok-tiny annotate base-tiny/stuff/etc/init.d/rcS @ rev 132

Up busybox (1.28-20170822)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Aug 22 13:28:07 2017 +0200 (2017-08-22)
parents 52bd0412b176
children df0a7ccded6c
rev   line source
pascal@94 1 #!/bin/sh
pascal@94 2 # /etc/init.d/rcS - Initial boot script for SliTaz GNU/Linux.
pascal@94 3 # Config file is : /etc/rcS.conf
pascal@94 4 #
pascal@94 5 # rcS is the main initialization script used to check fs, mount, clean,
pascal@94 6 # run scripts and start daemons.
pascal@94 7 #
pascal@94 8 . /etc/init.d/rc.functions
pascal@94 9 . /etc/rcS.conf
pascal@94 10
pascal@94 11 # Set TZ and boot time.
pascal@94 12 [ -s /etc/TZ ] && export TZ="$(cat /etc/TZ)"
pascal@94 13
pascal@94 14 echo "Processing /etc/init.d/rcS..."
pascal@94 15
pascal@94 16 # Mount /proc.
pascal@94 17 echo -n "Mounting proc filesystem..."
pascal@94 18 mount proc
pascal@94 19 status
pascal@94 20
pascal@94 21 if [ "$EARLY_RUN_SCRIPTS" ]; then
pascal@94 22 echo "Executing early initialization scripts..."
pascal@94 23 for script in $EARLY_RUN_SCRIPTS
pascal@94 24 do
pascal@94 25 [ -x /etc/init.d/$script ] && /etc/init.d/$script
pascal@94 26 done
pascal@94 27 fi
pascal@94 28
pascal@94 29 # Load all modules listed in config file.
pascal@103 30 if [ "$LOAD_MODULES" -o -s /modules ]; then
pascal@94 31 echo -n "Loading modules..."
pascal@103 32 for mod in $LOAD_MODULES $(cat /modules 2> /dev/null)
pascal@94 33 do
pascal@94 34 echo -n " ${mod%%|*}"
pascal@94 35 modprobe ${mod//|/ }
pascal@94 36 done
pascal@94 37 status
pascal@103 38 [ "$KEEP_MODULES" ] || rm -rf /lib/modules /modules 2> /dev/null
pascal@94 39 fi
pascal@94 40
pascal@94 41 # Mount /sys.
pascal@94 42 echo -n "Mounting sys filesystem..."
pascal@94 43 mount sysfs
pascal@94 44 status
pascal@94 45
pascal@112 46 if [ -e /sbin/mdev ]; then
pascal@112 47 echo -n "Start hotplug..."
pascal@112 48 echo /sbin/mdev > /proc/sys/kernel/hotplug
pascal@112 49 mdev -s
pascal@112 50 status
pascal@112 51 fi
pascal@112 52
pascal@94 53 echo -n "Updating /dev..."
pascal@94 54 for i in /sys/block/*/dev /sys/block/*/*/dev ; do
pascal@94 55 [ -s "$i" ] || continue
pascal@94 56 n=${i%/dev}
pascal@94 57 n=/dev/${n##*/}
pascal@94 58 [ -e $n ] && continue
pascal@94 59 echo -n " ${n##*/}"
pascal@94 60 mknod $n b $(sed 's/:/ /' < $i)
pascal@94 61 done
pascal@94 62 status
pascal@94 63
pascal@94 64 # Before mounting filesystems we check fs specified in the file
pascal@94 65 # /etc/rcS.conf and variable $CHECK_FS.
pascal@94 66 if [ "$CHECK_FS" ]; then
pascal@94 67 mount -o remount,ro /
pascal@94 68 for i in $CHECK_FS
pascal@94 69 do
pascal@94 70 echo "Checking filesystem on : $i"
pascal@94 71 e2fsck -p $i
pascal@94 72 done
pascal@94 73 fi
pascal@94 74
pascal@94 75 # Remount rootfs rw.
pascal@94 76 echo "Remounting rootfs read/write..."
pascal@94 77 mount -o remount,rw /
pascal@94 78
pascal@94 79 # Mount filesystems in /etc/fstab.
pascal@94 80 echo "Mounting filesystems in fstab..."
pascal@94 81 mount -a
pascal@94 82
pascal@94 83 # Store boot messages to log files.
pascal@94 84 dmesg > /var/log/dmesg.log &
pascal@94 85
pascal@94 86 # Parse cmdline args for earlier boot options. All other boot options
pascal@94 87 # are in /etc/init./bootopts.sh.
pascal@94 88 echo -n "Searching for early boot options..."
pascal@94 89 for opt in $(cat /proc/cmdline)
pascal@94 90 do
pascal@94 91 case $opt in
pascal@94 92 cdrom=*)
pascal@94 93 export CDROM=${opt#cdrom=} ;;
pascal@94 94 config=*)
pascal@94 95 export CONFIG=${opt#config=} ;;
pascal@94 96 *)
pascal@94 97 continue ;;
pascal@94 98 esac
pascal@94 99 done
pascal@94 100 status
pascal@94 101
pascal@94 102 # Clean up the system.
pascal@94 103 if [ "$CLEAN_UP_SYSTEM" = "yes" ]; then
pascal@94 104 echo -n "Cleaning up the system..."
pascal@94 105 find /var/run -name "*.pid" -type f | xargs rm -f
pascal@94 106 rm -rf /tmp /var/lock/*
pascal@94 107 mkdir -p /tmp && chmod 1777 /tmp
pascal@94 108 status
pascal@94 109 else
pascal@94 110 echo "System clean up is disabled in /etc/rcS.conf..."
pascal@94 111 echo -n "Keeping all tmp and pid files..."
pascal@94 112 status
pascal@94 113 fi
pascal@94 114
pascal@94 115 # Create /dev/cdrom if needed (symlink does not exist on LiveCD).
pascal@94 116 # Also add /dev/cdrom to fstab if entry does not exist.
pascal@94 117 if [ "$CDROM" ]; then
pascal@94 118 DRIVE_NAME=${CDROM#/dev/}
pascal@94 119 else
pascal@94 120 DRIVE_NAME=$(fgrep -s "drive name" /proc/sys/dev/cdrom/info | cut -f 3)
pascal@94 121 fi
pascal@94 122 if [ -n "$DRIVE_NAME" -a ! "$(readlink /dev/cdrom)" ]; then
pascal@94 123 echo -n "Creating symlink : /dev/cdrom..."
pascal@94 124 ln -s /dev/$DRIVE_NAME /dev/cdrom
pascal@94 125 ln -s /dev/$DRIVE_NAME /dev/dvd
pascal@94 126 chmod 0666 /dev/cdrom /dev/dvd /dev/$DRIVE_NAME
pascal@94 127 status
pascal@94 128 fi
pascal@94 129 if ! fgrep -q "/dev/cdrom" /etc/fstab; then
pascal@94 130 echo -n "Adding /dev/cdrom to fstab..."
pascal@94 131 echo '/dev/cdrom /media/cdrom iso9660 user,ro,noauto 0 0' \
pascal@94 132 >> /etc/fstab
pascal@94 133 status
pascal@94 134 fi
pascal@94 135
pascal@94 136 # Handle kernel cmdline parameter config=<device>,<path> to source a
pascal@94 137 # disk init script
pascal@94 138 if [ "$CONFIG" ]; then
pascal@94 139 DEVICE=${CONFIG%,*}
pascal@94 140 SCRIPT=${CONFIG#*,}
pascal@94 141 echo "Probing $DEVICE... "
pascal@94 142 if ! mount -r $DEVICE /mnt; then
pascal@94 143 if echo $DEVICE | grep -Eq "/dev/sd|UUID=|LABEL="; then
pascal@94 144 USBDELAY=$(cat /sys/module/usb_storage/parameters/delay_use)
pascal@94 145 USBDELAY=$((1+$USBDELAY))
pascal@94 146 echo "$DEVICE is potentially a USB device: sleep for $USBDELAY seconds"
pascal@94 147 sleep $USBDELAY
pascal@94 148 fi
pascal@94 149 if ! mount -r $DEVICE /mnt; then
pascal@94 150 CONFIG=""
pascal@94 151 fi
pascal@94 152 fi
pascal@94 153 echo -n "Source $SCRIPT from $DEVICE..."
pascal@94 154 if [ "$CONFIG" ]; then
pascal@94 155 . /mnt/$SCRIPT
pascal@94 156 umount /mnt 2> /dev/null || true
pascal@94 157 fi
pascal@94 158 status
pascal@94 159 fi
pascal@94 160
pascal@94 161 # Mount /proc/bus/usb.
pascal@94 162 if [ -d /proc/bus/usb ]; then
pascal@94 163 echo -n "Mounting /proc/bus/usb filesystem..."
pascal@94 164 mount -t usbfs usbfs /proc/bus/usb
pascal@94 165 status
pascal@94 166 fi
pascal@94 167
pascal@94 168 # Start syslogd and klogd.
pascal@94 169 if [ "$KERNEL_LOG_DAEMONS" = "yes" ]; then
pascal@94 170 echo -n "Starting system log deamon: syslogd..."
pascal@94 171 syslogd -s $SYSLOGD_ROTATED_SIZE && status
pascal@94 172 echo -n "Starting kernel log daemon: klogd..."
pascal@94 173 klogd && status
pascal@94 174 else
pascal@94 175 echo "Kernel log daemons are disabled in /etc/rc.conf..."
pascal@94 176 fi
pascal@94 177
pascal@102 178 [ -d /usr/share/kmap ] && echo -n "Load keymap..." &&
pascal@116 179 cat /usr/share/kmap/* | { /bin/loadkmap 2>/dev/null || loadkmap; } &&
pascal@102 180 rm -rf /usr/share/kmap && status
pascal@94 181
pascal@94 182 # Start all scripts specified with $RUN_SCRIPTS.
pascal@94 183 echo "Executing all initialization scripts..."
pascal@94 184 for script in $RUN_SCRIPTS
pascal@94 185 do
pascal@94 186 [ -x /etc/init.d/$script ] && /etc/init.d/$script
pascal@94 187 done
pascal@94 188
pascal@94 189 # Re-source main config file. In Live mode, daemons list can be modified
pascal@94 190 # by boot options (screen=text will remove slim).
pascal@94 191 . /etc/rcS.conf
pascal@94 192
pascal@94 193 # Start all daemons specified with $RUN_DAEMONS.
pascal@94 194 echo "Starting all daemons specified in /etc/rcS.conf..."
pascal@94 195 for daemon in $RUN_DAEMONS
pascal@94 196 do
pascal@94 197 if [ -x /etc/init.d/$daemon ]; then
pascal@94 198 /etc/init.d/$daemon start
pascal@94 199 fi
pascal@94 200 done
pascal@94 201
pascal@94 202 # Reset screen and display a bold message.
pascal@94 203 if [ "$MESSAGE" ]; then
pascal@94 204 reset
pascal@94 205 echo -e "\033[1m$MESSAGE\033[0m"
pascal@94 206 fi