init.rc revision a9db22f1228996d8f81e4f4903fa5c598a606fbd 
1
2on init
3
4sysclktz 0
5
6loglevel 3
7
8# setup the global environment
9    export PATH /sbin:/system/sbin:/system/bin:/system/xbin
10    export LD_LIBRARY_PATH /system/lib
11    export ANDROID_BOOTLOGO 1
12    export ANDROID_ROOT /system
13    export ANDROID_ASSETS /system/app
14    export ANDROID_DATA /data
15    export EXTERNAL_STORAGE /mnt/sdcard
16    export ASEC_MOUNTPOINT /mnt/asec
17    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
18
19# Backward compatibility
20    symlink /system/etc /etc
21    symlink /sys/kernel/debug /d
22
23# create mountpoints
24    mkdir /mnt 0775 root system
25    mkdir /mnt/sdcard 0000 system system
26
27# Backwards Compat - XXX: Going away in G*
28    symlink /mnt/sdcard /sdcard
29
30    mkdir /system
31    mkdir /data 0771 system system
32    mkdir /cache 0770 system cache
33    mkdir /config 0500 root root
34
35    # Directory for putting things only root should see.
36    mkdir /mnt/secure 0700 root root
37
38    # Directory for staging bindmounts
39    mkdir /mnt/secure/staging 0700 root root
40
41    # Directory-target for where the secure container
42    # imagefile directory will be bind-mounted
43    mkdir /mnt/secure/asec  0700 root root
44
45    # Secure container public mount points.
46    mkdir /mnt/asec  0700 root system
47    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
48
49    mount rootfs rootfs / ro remount
50
51    write /proc/sys/kernel/panic_on_oops 1
52    write /proc/sys/kernel/hung_task_timeout_secs 0
53    write /proc/cpu/alignment 4
54    write /proc/sys/kernel/sched_latency_ns 10000000
55    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
56    write /proc/sys/kernel/sched_compat_yield 1
57    write /proc/sys/kernel/sched_child_runs_first 0
58
59# Create cgroup mount points for process groups
60    mkdir /dev/cpuctl
61    mount cgroup none /dev/cpuctl cpu
62    chown system system /dev/cpuctl
63    chown system system /dev/cpuctl/tasks
64    chmod 0777 /dev/cpuctl/tasks
65    write /dev/cpuctl/cpu.shares 1024
66
67    mkdir /dev/cpuctl/fg_boost
68    chown system system /dev/cpuctl/fg_boost/tasks
69    chmod 0777 /dev/cpuctl/fg_boost/tasks
70    write /dev/cpuctl/fg_boost/cpu.shares 1024
71
72    mkdir /dev/cpuctl/bg_non_interactive
73    chown system system /dev/cpuctl/bg_non_interactive/tasks
74    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
75    # 5.0 %
76    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
77
78# mount mtd partitions
79    # Mount /system rw first to give the filesystem a chance to save a checkpoint
80    mount yaffs2 mtd@system /system
81    mount yaffs2 mtd@system /system ro remount
82
83    # We chown/chmod /data again so because mount is run as root + defaults
84    mount yaffs2 mtd@userdata /data nosuid nodev
85    chown system system /data
86    chmod 0771 /data
87
88    # Create dump dir and collect dumps.
89    # Do this before we mount cache so eventually we can use cache for
90    # storing dumps on platforms which do not have a dedicated dump partition.
91   
92    mkdir /data/dontpanic
93    chown root log /data/dontpanic
94    chmod 0750 /data/dontpanic
95
96    # Collect apanic data, free resources and re-arm trigger
97    copy /proc/apanic_console /data/dontpanic/apanic_console
98    chown root log /data/dontpanic/apanic_console
99    chmod 0640 /data/dontpanic/apanic_console
100
101    copy /proc/apanic_threads /data/dontpanic/apanic_threads
102    chown root log /data/dontpanic/apanic_threads
103    chmod 0640 /data/dontpanic/apanic_threads
104
105    write /proc/apanic_console 1
106
107    # Same reason as /data above
108    mount yaffs2 mtd@cache /cache nosuid nodev
109    chown system cache /cache
110    chmod 0770 /cache
111
112    # This may have been created by the recovery system with odd permissions
113    chown system cache /cache/recovery
114    chmod 0770 /cache/recovery
115
116    #change permissions on vmallocinfo so we can grab it from bugreports
117    chown root log /proc/vmallocinfo
118    chmod 0440 /proc/vmallocinfo
119
120# create basic filesystem structure
121    mkdir /data/misc 01771 system misc
122    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
123    mkdir /data/misc/keystore 0700 keystore keystore
124    mkdir /data/misc/vpn 0770 system system
125    mkdir /data/misc/systemkeys 0700 system system
126    mkdir /data/misc/vpn/profiles 0770 system system
127    # give system access to wpa_supplicant.conf for backup and restore
128    mkdir /data/misc/wifi 0770 wifi wifi
129    chmod 0770 /data/misc/wifi
130    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
131    mkdir /data/local 0771 shell shell
132    mkdir /data/local/tmp 0771 shell shell
133    mkdir /data/data 0771 system system
134    mkdir /data/app-private 0771 system system
135    mkdir /data/app 0771 system system
136    mkdir /data/property 0700 root root
137
138    # STOPSHIP: Temporary Encrypted File Systems workaround
139    mkdir /data/secure 0771 system system
140    mkdir /data/secure/data 0771 system system
141    mkdir /data/secure/misc 01771 system misc
142    mkdir /data/securemisc/vpn 0770 system system
143    mkdir /data/secure/misc/vpn/profiles 0770 system system
144
145    # create dalvik-cache and double-check the perms
146    mkdir /data/dalvik-cache 0771 system system
147    chown system system /data/dalvik-cache
148    chmod 0771 /data/dalvik-cache
149
150    # create the lost+found directories, so as to enforce our permissions
151    mkdir /data/lost+found 0770
152    mkdir /cache/lost+found 0770
153
154    # double check the perms, in case lost+found already exists, and set owner
155    chown root root /data/lost+found
156    chmod 0770 /data/lost+found
157    chown root root /cache/lost+found
158    chmod 0770 /cache/lost+found
159
160on boot
161# basic network init
162    ifup lo
163    hostname localhost
164    domainname localdomain
165
166# set RLIMIT_NICE to allow priorities from 19 to -20
167    setrlimit 13 40 40
168
169# Define the oom_adj values for the classes of processes that can be
170# killed by the kernel.  These are used in ActivityManagerService.
171    setprop ro.FOREGROUND_APP_ADJ 0
172    setprop ro.VISIBLE_APP_ADJ 1
173    setprop ro.SECONDARY_SERVER_ADJ 2
174    setprop ro.BACKUP_APP_ADJ 2
175    setprop ro.HOME_APP_ADJ 4
176    setprop ro.HIDDEN_APP_MIN_ADJ 7
177    setprop ro.CONTENT_PROVIDER_ADJ 14
178    setprop ro.EMPTY_APP_ADJ 15
179
180# Define the memory thresholds at which the above process classes will
181# be killed.  These numbers are in pages (4k).
182    setprop ro.FOREGROUND_APP_MEM 1536
183    setprop ro.VISIBLE_APP_MEM 2048
184    setprop ro.SECONDARY_SERVER_MEM 4096
185    setprop ro.BACKUP_APP_MEM 4096
186    setprop ro.HOME_APP_MEM 4096
187    setprop ro.HIDDEN_APP_MEM 5120
188    setprop ro.CONTENT_PROVIDER_MEM 5632
189    setprop ro.EMPTY_APP_MEM 6144
190
191# Write value must be consistent with the above properties.
192# Note that the driver only supports 6 slots, so we have HOME_APP at the
193# same memory level as services.
194    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
195
196    write /proc/sys/vm/overcommit_memory 1
197    write /proc/sys/vm/min_free_order_shift 4
198    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
199
200    # Set init its forked children's oom_adj.
201    write /proc/1/oom_adj -16
202
203    # Tweak background writeout
204    write /proc/sys/vm/dirty_expire_centisecs 200
205    write /proc/sys/vm/dirty_background_ratio  5
206
207    # Permissions for System Server and daemons.
208    chown radio system /sys/android_power/state
209    chown radio system /sys/android_power/request_state
210    chown radio system /sys/android_power/acquire_full_wake_lock
211    chown radio system /sys/android_power/acquire_partial_wake_lock
212    chown radio system /sys/android_power/release_wake_lock
213    chown radio system /sys/power/state
214    chown radio system /sys/power/wake_lock
215    chown radio system /sys/power/wake_unlock
216    chmod 0660 /sys/power/state
217    chmod 0660 /sys/power/wake_lock
218    chmod 0660 /sys/power/wake_unlock
219    chown system system /sys/class/timed_output/vibrator/enable
220    chown system system /sys/class/leds/keyboard-backlight/brightness
221    chown system system /sys/class/leds/lcd-backlight/brightness
222    chown system system /sys/class/leds/button-backlight/brightness
223    chown system system /sys/class/leds/jogball-backlight/brightness
224    chown system system /sys/class/leds/red/brightness
225    chown system system /sys/class/leds/green/brightness
226    chown system system /sys/class/leds/blue/brightness
227    chown system system /sys/class/leds/red/device/grpfreq
228    chown system system /sys/class/leds/red/device/grppwm
229    chown system system /sys/class/leds/red/device/blink
230    chown system system /sys/class/leds/red/brightness
231    chown system system /sys/class/leds/green/brightness
232    chown system system /sys/class/leds/blue/brightness
233    chown system system /sys/class/leds/red/device/grpfreq
234    chown system system /sys/class/leds/red/device/grppwm
235    chown system system /sys/class/leds/red/device/blink
236    chown system system /sys/class/timed_output/vibrator/enable
237    chown system system /sys/module/sco/parameters/disable_esco
238    chown system system /sys/kernel/ipv4/tcp_wmem_min
239    chown system system /sys/kernel/ipv4/tcp_wmem_def
240    chown system system /sys/kernel/ipv4/tcp_wmem_max
241    chown system system /sys/kernel/ipv4/tcp_rmem_min
242    chown system system /sys/kernel/ipv4/tcp_rmem_def
243    chown system system /sys/kernel/ipv4/tcp_rmem_max
244    chown root radio /proc/cmdline
245
246# Define TCP buffer sizes for various networks
247#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
248    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
249    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
250    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
251    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
252    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
253
254    class_start default
255
256## Daemon processes to be run by init.
257##
258service console /system/bin/sh
259    console
260
261# adbd is controlled by the persist.service.adb.enable system property
262service adbd /sbin/adbd
263    disabled
264
265# adbd on at boot in emulator
266on property:ro.kernel.qemu=1
267    start adbd
268
269on property:persist.service.adb.enable=1
270    start adbd
271
272on property:persist.service.adb.enable=0
273    stop adbd
274
275service servicemanager /system/bin/servicemanager
276    user system
277    critical
278    onrestart restart zygote
279    onrestart restart media
280
281service vold /system/bin/vold
282    socket vold stream 0660 root mount
283
284service netd /system/bin/netd
285    socket netd stream 0660 root system
286
287service debuggerd /system/bin/debuggerd
288
289service ril-daemon /system/bin/rild
290    socket rild stream 660 root radio
291    socket rild-debug stream 660 radio system
292    user root
293    group radio cache inet misc audio
294
295service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
296    socket zygote stream 666
297    onrestart write /sys/android_power/request_state wake
298    onrestart write /sys/power/state on
299    onrestart restart media
300
301service media /system/bin/mediaserver
302    user media
303    group system audio camera graphics inet net_bt net_bt_admin
304
305service bootanim /system/bin/bootanimation
306    user graphics
307    group graphics
308    disabled
309    oneshot
310
311service dbus /system/bin/dbus-daemon --system --nofork
312    socket dbus stream 660 bluetooth bluetooth
313    user bluetooth
314    group bluetooth net_bt_admin
315
316service bluetoothd /system/bin/bluetoothd -n
317    socket bluetooth stream 660 bluetooth bluetooth
318    socket dbus_bluetooth stream 660 bluetooth bluetooth
319    # init.rc does not yet support applying capabilities, so run as root and
320    # let bluetoothd drop uid to bluetooth with the right linux capabilities
321    group bluetooth net_bt_admin misc
322    disabled
323
324service hfag /system/bin/sdptool add --channel=10 HFAG
325    user bluetooth
326    group bluetooth net_bt_admin
327    disabled
328    oneshot
329
330service hsag /system/bin/sdptool add --channel=11 HSAG
331    user bluetooth
332    group bluetooth net_bt_admin
333    disabled
334    oneshot
335
336service opush /system/bin/sdptool add --channel=12 OPUSH
337    user bluetooth
338    group bluetooth net_bt_admin
339    disabled
340    oneshot
341
342service pbap /system/bin/sdptool add --channel=19 PBAP
343    user bluetooth
344    group bluetooth net_bt_admin
345    disabled
346    oneshot
347
348service installd /system/bin/installd
349    socket installd stream 600 system system
350
351service flash_recovery /system/etc/install-recovery.sh
352    oneshot
353
354service racoon /system/bin/racoon
355    socket racoon stream 600 system system
356    # racoon will setuid to vpn after getting necessary resources.
357    group net_admin
358    disabled
359    oneshot
360
361service mtpd /system/bin/mtpd
362    socket mtpd stream 600 system system
363    user vpn
364    group vpn net_admin net_raw
365    disabled
366    oneshot
367
368service keystore /system/bin/keystore /data/misc/keystore
369    user keystore
370    group keystore
371    socket keystore stream 666
372
373service dumpstate /system/bin/dumpstate -s
374    socket dumpstate stream 0660 shell log
375    disabled
376    oneshot
377