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 [[ $runlevel = sysinit ]]
then
	rc_echo
	rc_echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
	rc_echo "Copyright 2001-2011 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

	# 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

	# 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
		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
fi


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


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

if [ ! -d $rc_base/rc$runlevel.d ]
then
	rc_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
				$WARNING
				rc_echo "$i can't be executed because it was"
				rc_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 [[ $runlevel = sysinit ]]
28	niro	2	then
29	niro	1248	rc_echo
30			rc_echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
31			rc_echo "Copyright 2001-2011 Niels Rogalla; http://magellan-linux.net"
32			rc_echo
33	niro	2
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	niro	1248	rc_print "Mounting proc file system ..."
39	niro	2	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	1248	rc_print "Mounting sysfs file system ..."
51	niro	692	mount -n -t sysfs sysfs /sys
52			evaluate_retval
53			else
54	niro	1248	rc_echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
55			rc_echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
56			rc_echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
57	niro	2	fi
58
59	niro	1248	# start device management
60	niro	1094	start_devicemanager
61	niro	318
62	niro	2	## load devpts ##
63			# devfs/udev with 2.6 has no ptys, so devpts is also needed
64	niro	692	# check if we really have devpts support
65			if kernel_supports_fs devpts
66	niro	2	then
67	niro	692	# /dev/pts maybe not exists.
68			# We only create this directory only if devfs was mounted,
69			# or it will fail as / is still mounted readonly
70			# udev has this dir already, only a sanity check for devfs
71			if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
72	niro	2	then
73	niro	692	mkdir -p /dev/pts &> /dev/null \|\| \
74	niro	1248	rc_echo "Could not create /dev/pts !"
75	niro	692	fi
76	niro	71
77	niro	692	# now mount devpts
78			if [ -d /dev/pts ]
79			then
80	niro	1248	rc_print "Mounting devpts at /dev/pts ..."
81	niro	692	mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
82			evaluate_retval
83	niro	2	fi
84	niro	692	else
85			# devpts is not supported, give a warning
86	niro	1248	rc_echo -e ${COLRED}"No devpts filesystem found ..."
87			rc_echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
88			rc_echo -e ${COLYELLOW}"Devfs/Udev with a kernel-2.6.x needs devpts,"
89			rc_echo -e ${COLYELLOW}"or no pty's are available."
90			rc_echo -e ${COLYELLOW}"Please make sure that this is enabled in your kernel."
91			rc_echo
92			rc_echo -e ${COLYELLOW}"Press any key to continue ..."
93	niro	692	read
94	niro	2	fi
95	niro	692	## end devpts ##
96	niro	2
97	niro	692
98	niro	515	## load usbfs ##
99			if kernel_supports_fs usbfs
100			then
101	niro	1248	rc_print "Mounting usbfs at /proc/bus/usb ..."
102	niro	515	mount -n -t usbfs usbfs /proc/bus/usb
103			evaluate_retval
104			fi
105	niro	692	## end usbfs ##
106	niro	515
107	niro	692	## services state dir ##
108	niro	1248	rc_print "Mounting tmpfs at ${svcdir} ..."
109	niro	2	mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
110			evaluate_retval
111
112	niro	150	# load bootsplash
113	niro	2	splash "rc_init" "${runlevel}"
114			fi
115
116
117	niro	150	if [[ $runlevel = 0 ]] \|\| [[ $runlevel = 6 ]]
118	niro	2	then
119	niro	150	# load bootsplash
120	niro	2	splash "rc_init" "${runlevel}"
121
122			# if requested save devices to a device tarball before halt
123			# only for kernels >=2.6 and udev
124			# make shure that udev is mounted but not devfs --> /dev/.devfsd
125	niro	150	if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
126			[ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
127	niro	2	then
128	niro	1248	rc_print "Saving /dev device nodes ..."
129	niro	150	( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
130	niro	694	mv -f "/tmp/devices-$$.tar.bz2" /lib/udev/state/devices.tar.bz2
131	niro	2	evaluate_retval
132			fi
133	niro	974
134	niro	1248	# stop device management
135	niro	1094	stop_devicemanager
136	niro	2	fi
137
138
139			if [ "$runlevel" = "" ]
140			then
141	niro	1248	rc_echo "Usage: $0 <runlevel>" >&2
142	niro	2	exit 1
143			fi
144
145	niro	150
146	niro	2	previous=$PREVLEVEL
147			[ "$previous" = "" ] && previous=N
148
149			if [ ! -d $rc_base/rc$runlevel.d ]
150			then
151	niro	1248	rc_echo "$rc_base/rc$runlevel.d does not exist"
152	niro	2	exit 1
153			fi
154
155			if [ "$previous" != "N" ]
156			then
157			for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
158			do
159
160			check_script_status
161
162			suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
163			prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
164			sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix
165
166			if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
167			then
168			if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
169			then
170			$WARNING
171	niro	1248	rc_echo "$i can't be executed because it was"
172			rc_echo "not started in the previous runlevel ($previous)"
173	niro	2	$NORMAL
174			continue
175			fi
176			fi
177
178			$i stop
179			error_value=$?
180
181			if [ "$error_value" != "0" ]
182			then
183			print_error_msg
184			fi
185			done
186			fi
187
188			for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
189			do
190			if [ "$previous" != "N" ]
191			then
192			suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
193			stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
194			prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
195
196			[ -f $prev_start ] && [ ! -f $stop ] && continue
197			fi
198
199			check_script_status
200
201			$i start
202			error_value=$?
203
204			if [ "$error_value" != "0" ]
205			then
206			print_error_msg
207			fi
208			done