Annotation of /trunk/initscripts/sysvinit/rc/rc

#!/bin/bash
# $Id$

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

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

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

# override devicemanager helper functions
if [[ ${RC_DEVICEMANAGER} = udev ]] && [[ -f ${rc_base}/init.d/udev ]]
then
	source ${rc_base}/init.d/udev

elif [[ ${RC_DEVICEMANAGER} = mdev ]] && [[ -f ${rc_base}/init.d/mdev ]]
then
	source ${rc_base}/init.d/mdev
fi

trap "" INT QUIT TSTP

[ "$1" != "" ] && runlevel=$1

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

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

	# 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
		echo -e ${COLOREDSTAR}"Mounting sysfs file system ..."
		mount -n -t sysfs sysfs /sys
		evaluate_retval
	else
		echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
		echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
		echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
	fi


	#### load udev|mdev| ####
	start_devicemanager
	## end udev|mdev ##


	## 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 || \
				echo "Could not create /dev/pts !"
		fi

		# now mount devpts
		if [ -d /dev/pts ]
		then
			echo -e ${COLOREDSTAR}"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
		echo -e ${COLRED}"No devpts filesystem found ..."
		echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
		echo -e ${COLYELLOW}"Devfs/Udev with a kernel-2.6.x needs devpts,"
		echo -e ${COLYELLOW}"or no pty's are available."
		echo -e ${COLYELLOW}"Please make sure that this is enabled in your kernel."
		echo
		echo -e ${COLYELLOW}"Press any key to continue ..."
		read
	fi
	## end devpts ##


	## load usbfs ##
	if kernel_supports_fs usbfs
	then
		echo -e ${COLOREDSTAR}"Mounting usbfs at /proc/bus/usb ..."
		mount -n -t usbfs usbfs /proc/bus/usb
		evaluate_retval
	fi
	## end usbfs ##

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

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


if [[ $runlevel = 0 ]] || [[ $runlevel = 6 ]]
then
	# load bootsplash
	splash "rc_init" "${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
		echo -e ${COLOREDSTAR}"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 udev|mdev now
	stop_devicemanager
fi


if [ "$runlevel" = "" ]
then
	echo "Usage: $0 <runlevel>" >&2
	exit 1
fi


previous=$PREVLEVEL
[ "$previous" = "" ] && previous=N

if [ ! -d $rc_base/rc$runlevel.d ]
then
	echo "$rc_base/rc$runlevel.d does not exist"
	exit 1
fi

if [ "$previous" != "N" ]
then
	for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
	do

		check_script_status

		suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
		prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
		sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix

		if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
		then
			if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
			then
				$WARNING
				echo "$i can't be executed because it was"
				echo "not started in the previous runlevel ($previous)"
				$NORMAL
				continue
			fi
		fi

		$i stop
		error_value=$?

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

for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
do
	if [ "$previous" != "N" ]
	then
		suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
		stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
		prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix

		[ -f $prev_start ] && [ ! -f $stop ] && continue
	fi

	check_script_status

	$i start
	error_value=$?

	if [ "$error_value" != "0" ]
	then
		print_error_msg
	fi
done
1	niro	2	#!/bin/bash
2	niro	935	# $Id$
3	niro	2
4	niro	781	source /etc/conf.d/rc
5			source ${rc_functions}
6	niro	2
7	niro	50	# get mage version
8			MAGEVER="$(< /etc/mageversion)"
9	niro	2
10	niro	150	# source kernel config if exists
11	niro	2	[ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel
12
13	niro	1094	# override devicemanager helper functions
14	niro	1095	if [[ ${RC_DEVICEMANAGER} = udev ]] && [[ -f ${rc_base}/init.d/udev ]]
15	niro	1094	then
16			source ${rc_base}/init.d/udev
17
18	niro	1105	elif [[ ${RC_DEVICEMANAGER} = mdev ]] && [[ -f ${rc_base}/init.d/mdev ]]
19	niro	1094	then
20			source ${rc_base}/init.d/mdev
21			fi
22
23	niro	2	trap "" INT QUIT TSTP
24
25			[ "$1" != "" ] && runlevel=$1
26
27	niro	150	if [[ $runlevel = sysinit ]]
28	niro	2	then
29			echo
30			echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
31	niro	960	echo -e "Copyright 2001-2010 Niels Rogalla; http://magellan-linux.net"
32	niro	2	echo
33
34	niro	150	# mount proc filesystem, needed for bootsplash;
35			# no use of '/etc/rc.d/init.d/mountproc' anymore
36	niro	2	if [ ! -e /proc/mounts ]
37			then
38			echo -e ${COLOREDSTAR}"Mounting proc file system ..."
39			mount -n /proc
40			evaluate_retval
41			fi
42
43	niro	150	# set default verbose level for kernel messages
44	niro	2	[ -z "${RC_VERBOSE_LEVEL}" ] && RC_VERBOSE_LEVEL=3
45			echo "${RC_VERBOSE_LEVEL}" > /proc/sys/kernel/printk
46
47	niro	692	# mount sys file system before udev
48			if [ -d /sys ]
49	niro	2	then
50	niro	692	echo -e ${COLOREDSTAR}"Mounting sysfs file system ..."
51			mount -n -t sysfs sysfs /sys
52			evaluate_retval
53			else
54			echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
55			echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
56			echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
57	niro	2	fi
58
59
60	niro	1094	#### load udev\|mdev\| ####
61			start_devicemanager
62			## end udev\|mdev ##
63	niro	318
64	niro	2
65			## load devpts ##
66			# devfs/udev with 2.6 has no ptys, so devpts is also needed
67	niro	692	# check if we really have devpts support
68			if kernel_supports_fs devpts
69	niro	2	then
70	niro	692	# /dev/pts maybe not exists.
71			# We only create this directory only if devfs was mounted,
72			# or it will fail as / is still mounted readonly
73			# udev has this dir already, only a sanity check for devfs
74			if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
75	niro	2	then
76	niro	692	mkdir -p /dev/pts &> /dev/null \|\| \
77			echo "Could not create /dev/pts !"
78			fi
79	niro	71
80	niro	692	# now mount devpts
81			if [ -d /dev/pts ]
82			then
83			echo -e ${COLOREDSTAR}"Mounting devpts at /dev/pts ..."
84			mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
85			evaluate_retval
86	niro	2	fi
87	niro	692	else
88			# devpts is not supported, give a warning
89			echo -e ${COLRED}"No devpts filesystem found ..."
90			echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
91	niro	783	echo -e ${COLYELLOW}"Devfs/Udev with a kernel-2.6.x needs devpts,"
92	niro	692	echo -e ${COLYELLOW}"or no pty's are available."
93	niro	783	echo -e ${COLYELLOW}"Please make sure that this is enabled in your kernel."
94	niro	692	echo
95			echo -e ${COLYELLOW}"Press any key to continue ..."
96			read
97	niro	2	fi
98	niro	692	## end devpts ##
99	niro	2
100	niro	692
101	niro	515	## load usbfs ##
102			if kernel_supports_fs usbfs
103			then
104			echo -e ${COLOREDSTAR}"Mounting usbfs at /proc/bus/usb ..."
105			mount -n -t usbfs usbfs /proc/bus/usb
106			evaluate_retval
107			fi
108	niro	692	## end usbfs ##
109	niro	515
110	niro	692	## services state dir ##
111	niro	2	echo -e ${COLOREDSTAR}"Mounting tmpfs at ${svcdir} ..."
112			mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
113			evaluate_retval
114
115	niro	150	# load bootsplash
116	niro	2	splash "rc_init" "${runlevel}"
117			fi
118
119
120	niro	150	if [[ $runlevel = 0 ]] \|\| [[ $runlevel = 6 ]]
121	niro	2	then
122	niro	150	# load bootsplash
123	niro	2	splash "rc_init" "${runlevel}"
124
125			# if requested save devices to a device tarball before halt
126			# only for kernels >=2.6 and udev
127			# make shure that udev is mounted but not devfs --> /dev/.devfsd
128	niro	150	if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
129			[ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
130	niro	2	then
131			echo -e ${COLOREDSTAR}"Saving /dev device nodes ..."
132	niro	150	( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
133	niro	694	mv -f "/tmp/devices-$$.tar.bz2" /lib/udev/state/devices.tar.bz2
134	niro	2	evaluate_retval
135			fi
136	niro	974
137	niro	1094	# stop udev\|mdev now
138			stop_devicemanager
139	niro	2	fi
140
141
142			if [ "$runlevel" = "" ]
143			then
144			echo "Usage: $0 <runlevel>" >&2
145			exit 1
146			fi
147
148	niro	150
149	niro	2	previous=$PREVLEVEL
150			[ "$previous" = "" ] && previous=N
151
152			if [ ! -d $rc_base/rc$runlevel.d ]
153			then
154			echo "$rc_base/rc$runlevel.d does not exist"
155			exit 1
156			fi
157
158			if [ "$previous" != "N" ]
159			then
160			for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
161			do
162
163			check_script_status
164
165			suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
166			prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
167			sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix
168
169			if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
170			then
171			if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
172			then
173			$WARNING
174			echo "$i can't be executed because it was"
175			echo "not started in the previous runlevel ($previous)"
176			$NORMAL
177			continue
178			fi
179			fi
180
181			$i stop
182			error_value=$?
183
184			if [ "$error_value" != "0" ]
185			then
186			print_error_msg
187			fi
188			done
189			fi
190
191			for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
192			do
193			if [ "$previous" != "N" ]
194			then
195			suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
196			stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
197			prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
198
199			[ -f $prev_start ] && [ ! -f $stop ] && continue
200			fi
201
202			check_script_status
203
204			$i start
205			error_value=$?
206
207			if [ "$error_value" != "0" ]
208			then
209			print_error_msg
210			fi
211			done