Annotation of /trunk/initscripts/busybox/rc/rc

#!/bin/sh
# $Header: /home/cvsd/magellan-cvs/magellan-src/busybox-initscripts/rc/rc,v 1.2 2008-12-22 22:09:27 niro Exp $

source /etc/conf.d/rc
source ${rc_functions}

# source kernel config if exists
[ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel

# prefer mdev if it is present, always fall back to udev
# these settings can be overriden via /etc/conf.d/kernel
if [[ -z ${RC_DEVMANAGER} ]]
then
	if [[ -e ${rc_base}/init.d/mdev ]]
	then
		RC_DEVMANAGER="udev"
	elif [[ -e ${rc_base}/init.d/udev ]]
	then
		RC_DEVMANAGER="udev"
	fi
fi

# load device management hooks
source ${rc_base}/init.d/${RC_DEVMANAGER}

# get mage version
MAGEVER="$(< /etc/mageversion)"

trap "" INT QUIT TSTP

[[ ! -z $1 ]] && runlevel=$1

if [[ -z ${runlevel} ]]
then
	echo "Usage: $0 <runlevel>" >&2
	exit 1
fi


if [[ $runlevel = sysinit ]]
then
	rc_echo
	rc_echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
	rc_echo -e "Copyright 2001-2010 Niels Rogalla; http://magellan-linux.net"
	rc_echo

	# mount proc filesystem, needed for bootsplash;
	# no use of '/etc/rc.d/init.d/mountproc' anymore
	if [ ! -e /proc/mounts ]
	then
		rc_print "Mounting proc file system ..."
		mount -n /proc
		evaluate_retval
	fi

	# load bootsplash
	splash "rc_init" "${runlevel}"

	# set default verbose level for kernel messages
	[ -z "${RC_VERBOSE_LEVEL}" ] && RC_VERBOSE_LEVEL=3
	echo "${RC_VERBOSE_LEVEL}" > /proc/sys/kernel/printk

	# mount sys file system before udev
	if [ -d /sys ]
	then
		rc_print "Mounting sysfs file system ..."
		mount -n -t sysfs sysfs /sys
		evaluate_retval
	else
		rc_echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
		rc_echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
		rc_echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
	fi

	# start device management
	start_devicemanager

	## load devpts ##
	# devfs/udev with 2.6 has no ptys, so devpts is also needed
	# check if we really have devpts support
	if kernel_supports_fs devpts
	then
		# /dev/pts maybe not exists.
		# We only create this directory only if devfs was mounted,
		# or it will fail as / is still mounted readonly
		# udev has this dir already, only a sanity check for devfs
		if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
		then
			mkdir -p /dev/pts &> /dev/null || \
				rc_echo "Could not create /dev/pts !"
		fi

		# now mount devpts
		if [ -d /dev/pts ]
		then
			rc_print "Mounting devpts at /dev/pts ..."
			mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
			evaluate_retval
		fi
	else
		# devpts is not supported, give a warning
		rc_echo -e ${COLRED}"No devpts filesystem found ..."
		rc_echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
		rc_echo -e ${COLYELLOW}"Devfs/Udev with a kernel-2.6.x needs devpts,"
		rc_echo -e ${COLYELLOW}"or no pty's are available."
		rc_echo -e ${COLYELLOW}"Please make sure that this is enabled in your kernel."
		rc_echo
		rc_echo -e ${COLYELLOW}"Press any key to continue ..."
		read
	fi
	## end devpts ##


	## load usbfs ##
	if kernel_supports_fs usbfs
	then
		rc_print "Mounting usbfs at /proc/bus/usb ..."
		mount -n -t usbfs usbfs /proc/bus/usb
		evaluate_retval
	fi
	## end usbfs ##

	## services state dir ##
	rc_print "Mounting tmpfs at ${svcdir} ..."
	mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
	evaluate_retval
fi

if [[ ${runlevel} = shutdown ]] || [[ ${runlevel} = reboot ]]
then
	# load bootsplash
	splash "rc_init" "${runlevel}"

	# if requested save devices to a device tarball before halt
	# only for kernels >=2.6 *and* udev
	# make shure that udev is mounted but *not* devfs --> /dev/.devfsd
	if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
		[ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
	then
		rc_print "Saving /dev device nodes ..."
		( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
		mv -f "/tmp/devices-$$.tar.bz2" /lib/udev/state/devices.tar.bz2
		evaluate_retval
	fi

	# stop device management
	stop_devicemanager

	# run through all runlevel scripts
	for i in $(ls -v ${rc_base}/rc${runlevel}.d/K* 2> /dev/null)
	do
		check_script_status
		suffix=${i#${rc_base}/rc${runlevel}.d/K[0-9][0-9]}

		${i} stop
		error_value=$?

		if [[ ${error_value} != 0 ]]
		then
			print_error_msg
		fi
	done
fi

if [[ ${runlevel} = sysinit ]] || [[ ${runlevel} = boot ]]
then
	for i in $( ls -v ${rc_base}/rc${runlevel}.d/S* 2> /dev/null)
	do
		suffix=${i#${rc_base}/rc${runlevel}.d/S[0-9][0-9]}
		check_script_status

		${i} start
		error_value=$?

		if [[ ${error_value} != 0 ]]
		then
			print_error_msg
		fi
	done
fi

if [[ ${runlevel} = boot ]]
then
	# exit bootsplash
	splash "rc_exit" "${runlevel}"
fi
1	niro	724	#!/bin/sh
2	niro	783	# $Header: /home/cvsd/magellan-cvs/magellan-src/busybox-initscripts/rc/rc,v 1.2 2008-12-22 22:09:27 niro Exp $
3	niro	724
4			source /etc/conf.d/rc
5			source ${rc_functions}
6
7	niro	1171	# source kernel config if exists
8			[ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel
9	niro	724
10	niro	1171	# prefer mdev if it is present, always fall back to udev
11			# these settings can be overriden via /etc/conf.d/kernel
12			if [[ -z ${RC_DEVMANAGER} ]]
13			then
14			if [[ -e ${rc_base}/init.d/mdev ]]
15			then
16			RC_DEVMANAGER="udev"
17			elif [[ -e ${rc_base}/init.d/udev ]]
18			then
19			RC_DEVMANAGER="udev"
20			fi
21			fi
22
23			# load device management hooks
24			source ${rc_base}/init.d/${RC_DEVMANAGER}
25
26	niro	724	# get mage version
27			MAGEVER="$(< /etc/mageversion)"
28
29			trap "" INT QUIT TSTP
30
31			[[ ! -z $1 ]] && runlevel=$1
32
33			if [[ -z ${runlevel} ]]
34			then
35			echo "Usage: $0 <runlevel>" >&2
36			exit 1
37			fi
38
39
40			if [[ $runlevel = sysinit ]]
41			then
42	niro	1168	rc_echo
43			rc_echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
44			rc_echo -e "Copyright 2001-2010 Niels Rogalla; http://magellan-linux.net"
45			rc_echo
46	niro	724
47			# mount proc filesystem, needed for bootsplash;
48			# no use of '/etc/rc.d/init.d/mountproc' anymore
49			if [ ! -e /proc/mounts ]
50			then
51	niro	1168	rc_print "Mounting proc file system ..."
52	niro	724	mount -n /proc
53			evaluate_retval
54			fi
55
56	niro	1168	# load bootsplash
57			splash "rc_init" "${runlevel}"
58
59	niro	724	# set default verbose level for kernel messages
60			[ -z "${RC_VERBOSE_LEVEL}" ] && RC_VERBOSE_LEVEL=3
61			echo "${RC_VERBOSE_LEVEL}" > /proc/sys/kernel/printk
62
63			# mount sys file system before udev
64			if [ -d /sys ]
65			then
66	niro	1168	rc_print "Mounting sysfs file system ..."
67	niro	724	mount -n -t sysfs sysfs /sys
68			evaluate_retval
69			else
70	niro	1168	rc_echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
71			rc_echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
72			rc_echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
73	niro	724	fi
74
75	niro	1171	# start device management
76	niro	1174	start_devicemanager
77	niro	724
78			## load devpts ##
79			# devfs/udev with 2.6 has no ptys, so devpts is also needed
80			# check if we really have devpts support
81			if kernel_supports_fs devpts
82			then
83			# /dev/pts maybe not exists.
84			# We only create this directory only if devfs was mounted,
85			# or it will fail as / is still mounted readonly
86			# udev has this dir already, only a sanity check for devfs
87			if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
88			then
89			mkdir -p /dev/pts &> /dev/null \|\| \
90	niro	1168	rc_echo "Could not create /dev/pts !"
91	niro	724	fi
92
93			# now mount devpts
94			if [ -d /dev/pts ]
95			then
96	niro	1168	rc_print "Mounting devpts at /dev/pts ..."
97	niro	724	mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
98			evaluate_retval
99			fi
100			else
101			# devpts is not supported, give a warning
102	niro	1168	rc_echo -e ${COLRED}"No devpts filesystem found ..."
103			rc_echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
104			rc_echo -e ${COLYELLOW}"Devfs/Udev with a kernel-2.6.x needs devpts,"
105			rc_echo -e ${COLYELLOW}"or no pty's are available."
106			rc_echo -e ${COLYELLOW}"Please make sure that this is enabled in your kernel."
107			rc_echo
108			rc_echo -e ${COLYELLOW}"Press any key to continue ..."
109	niro	724	read
110			fi
111			## end devpts ##
112
113
114			## load usbfs ##
115			if kernel_supports_fs usbfs
116			then
117	niro	1168	rc_print "Mounting usbfs at /proc/bus/usb ..."
118	niro	724	mount -n -t usbfs usbfs /proc/bus/usb
119			evaluate_retval
120			fi
121			## end usbfs ##
122
123			## services state dir ##
124	niro	1168	rc_print "Mounting tmpfs at ${svcdir} ..."
125	niro	724	mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
126			evaluate_retval
127			fi
128
129			if [[ ${runlevel} = shutdown ]] \|\| [[ ${runlevel} = reboot ]]
130			then
131			# load bootsplash
132			splash "rc_init" "${runlevel}"
133
134			# if requested save devices to a device tarball before halt
135			# only for kernels >=2.6 and udev
136			# make shure that udev is mounted but not devfs --> /dev/.devfsd
137			if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
138			[ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
139			then
140	niro	1168	rc_print "Saving /dev device nodes ..."
141	niro	724	( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
142			mv -f "/tmp/devices-$$.tar.bz2" /lib/udev/state/devices.tar.bz2
143			evaluate_retval
144			fi
145
146	niro	1171	# stop device management
147			stop_devicemanager
148	niro	975
149	niro	724	# run through all runlevel scripts
150			for i in $(ls -v ${rc_base}/rc${runlevel}.d/K* 2> /dev/null)
151			do
152			check_script_status
153			suffix=${i#${rc_base}/rc${runlevel}.d/K[0-9][0-9]}
154
155			${i} stop
156			error_value=$?
157
158			if [[ ${error_value} != 0 ]]
159			then
160			print_error_msg
161			fi
162			done
163			fi
164
165			if [[ ${runlevel} = sysinit ]] \|\| [[ ${runlevel} = boot ]]
166			then
167			for i in $( ls -v ${rc_base}/rc${runlevel}.d/S* 2> /dev/null)
168			do
169			suffix=${i#${rc_base}/rc${runlevel}.d/S[0-9][0-9]}
170			check_script_status
171
172			${i} start
173			error_value=$?
174
175			if [[ ${error_value} != 0 ]]
176			then
177			print_error_msg
178			fi
179			done
180			fi
181	niro	1168
182			if [[ ${runlevel} = boot ]]
183			then
184			# exit bootsplash
185			splash "rc_exit" "${runlevel}"
186			fi