init.rc revision 5988ea726e91fbdc69485b729ea2f532fedfa1d6 
1on early-init
2    start ueventd
3
4on init
5
6sysclktz 0
7
8loglevel 3
9
10# setup the global environment
11    export PATH /sbin:/vendor/bin:/system/sbin:/system/bin:/system/xbin
12    export LD_LIBRARY_PATH /vendor/lib:/system/lib
13    export ANDROID_BOOTLOGO 1
14    export ANDROID_ROOT /system
15    export ANDROID_ASSETS /system/app
16    export ANDROID_DATA /data
17    export EXTERNAL_STORAGE /mnt/sdcard
18    export ASEC_MOUNTPOINT /mnt/asec
19    export LOOP_MOUNTPOINT /mnt/obb
20    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/core-junit.jar
21
22# Backward compatibility
23    symlink /system/etc /etc
24    symlink /sys/kernel/debug /d
25
26# Right now vendor lives on the same filesystem as system,
27# but someday that may change.
28    symlink /system/vendor /vendor
29
30# create mountpoints
31    mkdir /mnt 0775 root system
32    mkdir /mnt/sdcard 0000 system system
33
34# Create cgroup mount point for cpu accounting
35    mkdir /acct
36    mount cgroup none /acct cpuacct
37    mkdir /acct/uid
38
39# Backwards Compat - XXX: Going away in G*
40    symlink /mnt/sdcard /sdcard
41
42    mkdir /system
43    mkdir /data 0771 system system
44    mkdir /cache 0770 system cache
45    mkdir /config 0500 root root
46
47    # Directory for putting things only root should see.
48    mkdir /mnt/secure 0700 root root
49
50    # Directory for staging bindmounts
51    mkdir /mnt/secure/staging 0700 root root
52
53    # Directory-target for where the secure container
54    # imagefile directory will be bind-mounted
55    mkdir /mnt/secure/asec  0700 root root
56
57    # Secure container public mount points.
58    mkdir /mnt/asec  0700 root system
59    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
60
61    # Filesystem image public mount points.
62    mkdir /mnt/obb 0700 root system
63    mount tmpfs tmpfs /mnt/obb mode=0755,gid=1000
64
65    write /proc/sys/kernel/panic_on_oops 1
66    write /proc/sys/kernel/hung_task_timeout_secs 0
67    write /proc/cpu/alignment 4
68    write /proc/sys/kernel/sched_latency_ns 10000000
69    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
70    write /proc/sys/kernel/sched_compat_yield 1
71    write /proc/sys/kernel/sched_child_runs_first 0
72
73# Create cgroup mount points for process groups
74    mkdir /dev/cpuctl
75    mount cgroup none /dev/cpuctl cpu
76    chown system system /dev/cpuctl
77    chown system system /dev/cpuctl/tasks
78    chmod 0777 /dev/cpuctl/tasks
79    write /dev/cpuctl/cpu.shares 1024
80
81    mkdir /dev/cpuctl/fg_boost
82    chown system system /dev/cpuctl/fg_boost/tasks
83    chmod 0777 /dev/cpuctl/fg_boost/tasks
84    write /dev/cpuctl/fg_boost/cpu.shares 1024
85
86    mkdir /dev/cpuctl/bg_non_interactive
87    chown system system /dev/cpuctl/bg_non_interactive/tasks
88    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
89    # 5.0 %
90    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
91
92on fs
93# mount mtd partitions
94    # Mount /system rw first to give the filesystem a chance to save a checkpoint
95    mount yaffs2 mtd@system /system
96    mount yaffs2 mtd@system /system ro remount
97    mount yaffs2 mtd@userdata /data nosuid nodev
98    mount yaffs2 mtd@cache /cache nosuid nodev
99
100on post-fs
101    # once everything is setup, no need to modify /
102    mount rootfs rootfs / ro remount
103
104    # We chown/chmod /data again so because mount is run as root + defaults
105    chown system system /data
106    chmod 0771 /data
107
108    # Create dump dir and collect dumps.
109    # Do this before we mount cache so eventually we can use cache for
110    # storing dumps on platforms which do not have a dedicated dump partition.
111   
112    mkdir /data/dontpanic
113    chown root log /data/dontpanic
114    chmod 0750 /data/dontpanic
115
116    # Collect apanic data, free resources and re-arm trigger
117    copy /proc/apanic_console /data/dontpanic/apanic_console
118    chown root log /data/dontpanic/apanic_console
119    chmod 0640 /data/dontpanic/apanic_console
120
121    copy /proc/apanic_threads /data/dontpanic/apanic_threads
122    chown root log /data/dontpanic/apanic_threads
123    chmod 0640 /data/dontpanic/apanic_threads
124
125    write /proc/apanic_console 1
126
127    # Same reason as /data above
128    chown system cache /cache
129    chmod 0770 /cache
130
131    # This may have been created by the recovery system with odd permissions
132    chown system cache /cache/recovery
133    chmod 0770 /cache/recovery
134
135    #change permissions on vmallocinfo so we can grab it from bugreports
136    chown root log /proc/vmallocinfo
137    chmod 0440 /proc/vmallocinfo
138
139    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
140    chown root system /proc/kmsg
141    chmod 0440 /proc/kmsg
142    chown root system /proc/sysrq-trigger
143    chmod 0220 /proc/sysrq-trigger
144
145# create basic filesystem structure
146    mkdir /data/misc 01771 system misc
147    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
148    mkdir /data/misc/bluetooth 0770 system system
149    mkdir /data/misc/keystore 0700 keystore keystore
150    mkdir /data/misc/vpn 0770 system system
151    mkdir /data/misc/systemkeys 0700 system system
152    mkdir /data/misc/vpn/profiles 0770 system system
153    # give system access to wpa_supplicant.conf for backup and restore
154    mkdir /data/misc/wifi 0770 wifi wifi
155    chmod 0770 /data/misc/wifi
156    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
157    mkdir /data/local 0771 shell shell
158    mkdir /data/local/tmp 0771 shell shell
159    mkdir /data/data 0771 system system
160    mkdir /data/app-private 0771 system system
161    mkdir /data/app 0771 system system
162    mkdir /data/property 0700 root root
163
164    # create dalvik-cache and double-check the perms
165    mkdir /data/dalvik-cache 0771 system system
166    chown system system /data/dalvik-cache
167    chmod 0771 /data/dalvik-cache
168
169    # create the lost+found directories, so as to enforce our permissions
170    mkdir /data/lost+found 0770
171    mkdir /cache/lost+found 0770
172
173    # double check the perms, in case lost+found already exists, and set owner
174    chown root root /data/lost+found
175    chmod 0770 /data/lost+found
176    chown root root /cache/lost+found
177    chmod 0770 /cache/lost+found
178
179on boot
180# basic network init
181    ifup lo
182    hostname localhost
183    domainname localdomain
184
185# set RLIMIT_NICE to allow priorities from 19 to -20
186    setrlimit 13 40 40
187
188# Define the oom_adj values for the classes of processes that can be
189# killed by the kernel.  These are used in ActivityManagerService.
190    setprop ro.FOREGROUND_APP_ADJ 0
191    setprop ro.VISIBLE_APP_ADJ 1
192    setprop ro.PERCEPTIBLE_APP_ADJ 2
193    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
194    setprop ro.SECONDARY_SERVER_ADJ 4
195    setprop ro.BACKUP_APP_ADJ 5
196    setprop ro.HOME_APP_ADJ 6
197    setprop ro.HIDDEN_APP_MIN_ADJ 7
198    setprop ro.EMPTY_APP_ADJ 15
199
200# Define the memory thresholds at which the above process classes will
201# be killed.  These numbers are in pages (4k).
202    setprop ro.FOREGROUND_APP_MEM 2048
203    setprop ro.VISIBLE_APP_MEM 3072
204    setprop ro.PERCEPTIBLE_APP_MEM 4096
205    setprop ro.HEAVY_WEIGHT_APP_MEM 4096
206    setprop ro.SECONDARY_SERVER_MEM 6144
207    setprop ro.BACKUP_APP_MEM 6144
208    setprop ro.HOME_APP_MEM 6144
209    setprop ro.HIDDEN_APP_MEM 7168
210    setprop ro.EMPTY_APP_MEM 8192
211
212# Write value must be consistent with the above properties.
213# Note that the driver only supports 6 slots, so we have combined some of
214# the classes into the same memory level; the associated processes of higher
215# classes will still be killed first.
216    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
217
218    write /proc/sys/vm/overcommit_memory 1
219    write /proc/sys/vm/min_free_order_shift 4
220    write /sys/module/lowmemorykiller/parameters/minfree 2048,3072,4096,6144,7168,8192
221
222    # Set init its forked children's oom_adj.
223    write /proc/1/oom_adj -16
224
225    # Tweak background writeout
226    write /proc/sys/vm/dirty_expire_centisecs 200
227    write /proc/sys/vm/dirty_background_ratio  5
228
229    # Permissions for System Server and daemons.
230    chown radio system /sys/android_power/state
231    chown radio system /sys/android_power/request_state
232    chown radio system /sys/android_power/acquire_full_wake_lock
233    chown radio system /sys/android_power/acquire_partial_wake_lock
234    chown radio system /sys/android_power/release_wake_lock
235    chown radio system /sys/power/state
236    chown radio system /sys/power/wake_lock
237    chown radio system /sys/power/wake_unlock
238    chmod 0660 /sys/power/state
239    chmod 0660 /sys/power/wake_lock
240    chmod 0660 /sys/power/wake_unlock
241    chown system system /sys/class/timed_output/vibrator/enable
242    chown system system /sys/class/leds/keyboard-backlight/brightness
243    chown system system /sys/class/leds/lcd-backlight/brightness
244    chown system system /sys/class/leds/button-backlight/brightness
245    chown system system /sys/class/leds/jogball-backlight/brightness
246    chown system system /sys/class/leds/red/brightness
247    chown system system /sys/class/leds/green/brightness
248    chown system system /sys/class/leds/blue/brightness
249    chown system system /sys/class/leds/red/device/grpfreq
250    chown system system /sys/class/leds/red/device/grppwm
251    chown system system /sys/class/leds/red/device/blink
252    chown system system /sys/class/leds/red/brightness
253    chown system system /sys/class/leds/green/brightness
254    chown system system /sys/class/leds/blue/brightness
255    chown system system /sys/class/leds/red/device/grpfreq
256    chown system system /sys/class/leds/red/device/grppwm
257    chown system system /sys/class/leds/red/device/blink
258    chown system system /sys/class/timed_output/vibrator/enable
259    chown system system /sys/module/sco/parameters/disable_esco
260    chown system system /sys/kernel/ipv4/tcp_wmem_min
261    chown system system /sys/kernel/ipv4/tcp_wmem_def
262    chown system system /sys/kernel/ipv4/tcp_wmem_max
263    chown system system /sys/kernel/ipv4/tcp_rmem_min
264    chown system system /sys/kernel/ipv4/tcp_rmem_def
265    chown system system /sys/kernel/ipv4/tcp_rmem_max
266    chown root radio /proc/cmdline
267
268# Define TCP buffer sizes for various networks
269#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
270    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
271    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
272    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
273    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
274    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
275
276    class_start default
277
278## Daemon processes to be run by init.
279##
280service console /system/bin/sh
281    console
282
283service ueventd /sbin/ueventd
284    critical
285
286# adbd is controlled by the persist.service.adb.enable system property
287service adbd /sbin/adbd
288    disabled
289
290# adbd on at boot in emulator
291on property:ro.kernel.qemu=1
292    start adbd
293
294on property:persist.service.adb.enable=1
295    start adbd
296
297on property:persist.service.adb.enable=0
298    stop adbd
299
300service servicemanager /system/bin/servicemanager
301    user system
302    critical
303    onrestart restart zygote
304    onrestart restart media
305
306service vold /system/bin/vold
307    socket vold stream 0660 root mount
308    ioprio be 2
309
310service netd /system/bin/netd
311    socket netd stream 0660 root system
312
313service debuggerd /system/bin/debuggerd
314
315service ril-daemon /system/bin/rild
316    socket rild stream 660 root radio
317    socket rild-debug stream 660 radio system
318    user root
319    group radio cache inet misc audio sdcard_rw
320
321service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
322    socket zygote stream 666
323    onrestart write /sys/android_power/request_state wake
324    onrestart write /sys/power/state on
325    onrestart restart media
326    onrestart restart netd
327
328service media /system/bin/mediaserver
329    user media
330    group system audio camera graphics inet net_bt net_bt_admin net_raw
331    ioprio rt 4
332
333service bootanim /system/bin/bootanimation
334    user graphics
335    group graphics
336    disabled
337    oneshot
338
339service dbus /system/bin/dbus-daemon --system --nofork
340    socket dbus stream 660 bluetooth bluetooth
341    user bluetooth
342    group bluetooth net_bt_admin
343
344service bluetoothd /system/bin/bluetoothd -n
345    socket bluetooth stream 660 bluetooth bluetooth
346    socket dbus_bluetooth stream 660 bluetooth bluetooth
347    # init.rc does not yet support applying capabilities, so run as root and
348    # let bluetoothd drop uid to bluetooth with the right linux capabilities
349    group bluetooth net_bt_admin misc
350    disabled
351
352service hfag /system/bin/sdptool add --channel=10 HFAG
353    user bluetooth
354    group bluetooth net_bt_admin
355    disabled
356    oneshot
357
358service hsag /system/bin/sdptool add --channel=11 HSAG
359    user bluetooth
360    group bluetooth net_bt_admin
361    disabled
362    oneshot
363
364service opush /system/bin/sdptool add --channel=12 OPUSH
365    user bluetooth
366    group bluetooth net_bt_admin
367    disabled
368    oneshot
369
370service pbap /system/bin/sdptool add --channel=19 PBAP
371    user bluetooth
372    group bluetooth net_bt_admin
373    disabled
374    oneshot
375
376service installd /system/bin/installd
377    socket installd stream 600 system system
378
379service flash_recovery /system/etc/install-recovery.sh
380    oneshot
381
382service racoon /system/bin/racoon
383    socket racoon stream 600 system system
384    # racoon will setuid to vpn after getting necessary resources.
385    group net_admin
386    disabled
387    oneshot
388
389service mtpd /system/bin/mtpd
390    socket mtpd stream 600 system system
391    user vpn
392    group vpn net_admin net_raw
393    disabled
394    oneshot
395
396service keystore /system/bin/keystore /data/misc/keystore
397    user keystore
398    group keystore
399    socket keystore stream 666
400
401service dumpstate /system/bin/dumpstate -s
402    socket dumpstate stream 0660 shell log
403    disabled
404    oneshot
405