init.rc revision d0645bf0cc76ef7be11cf77a8e1995233a1972e4 
1on early-init
2    start ueventd
3
4# create mountpoints
5    mkdir /mnt 0775 root system
6
7on init
8
9sysclktz 0
10
11loglevel 3
12
13# setup the global environment
14    export PATH /sbin:/system/sbin:/system/bin:/system/xbin
15    export LD_LIBRARY_PATH /system/lib
16    export ANDROID_BOOTLOGO 1
17    export ANDROID_ROOT /system
18    export ANDROID_ASSETS /system/app
19    export ANDROID_DATA /data
20    export ASEC_MOUNTPOINT /mnt/asec
21    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
22
23# Backward compatibility
24    symlink /system/etc /etc
25    symlink /sys/kernel/debug /d
26
27
28# Create cgroup mount point for cpu accounting
29    mkdir /acct
30    mount cgroup none /acct cpuacct
31    mkdir /acct/uid
32
33    mkdir /system
34    mkdir /data 0771 system system
35    mkdir /cache 0770 system cache
36    mkdir /config 0500 root root
37
38    # Directory for putting things only root should see.
39    mkdir /mnt/secure 0700 root root
40
41    # Directory for staging bindmounts
42    mkdir /mnt/secure/staging 0700 root root
43
44    # Directory-target for where the secure container
45    # imagefile directory will be bind-mounted
46    mkdir /mnt/secure/asec  0700 root root
47
48    # Secure container public mount points.
49    mkdir /mnt/asec  0700 root system
50    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
51
52    mount rootfs rootfs / ro remount
53
54    write /proc/sys/kernel/panic_on_oops 1
55    write /proc/sys/kernel/hung_task_timeout_secs 0
56    write /proc/cpu/alignment 4
57    write /proc/sys/kernel/sched_latency_ns 10000000
58    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
59    write /proc/sys/kernel/sched_compat_yield 1
60    write /proc/sys/kernel/sched_child_runs_first 0
61
62# Create cgroup mount points for process groups
63    mkdir /dev/cpuctl
64    mount cgroup none /dev/cpuctl cpu
65    chown system system /dev/cpuctl
66    chown system system /dev/cpuctl/tasks
67    chmod 0777 /dev/cpuctl/tasks
68    write /dev/cpuctl/cpu.shares 1024
69
70    mkdir /dev/cpuctl/fg_boost
71    chown system system /dev/cpuctl/fg_boost/tasks
72    chmod 0777 /dev/cpuctl/fg_boost/tasks
73    write /dev/cpuctl/fg_boost/cpu.shares 1024
74
75    mkdir /dev/cpuctl/bg_non_interactive
76    chown system system /dev/cpuctl/bg_non_interactive/tasks
77    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
78    # 5.0 %
79    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
80
81on fs
82# mount mtd partitions
83    # Mount /system rw first to give the filesystem a chance to save a checkpoint
84    mount yaffs2 mtd@system /system
85    mount yaffs2 mtd@system /system ro remount
86    mount yaffs2 mtd@userdata /data nosuid nodev
87    mount yaffs2 mtd@cache /cache nosuid nodev
88
89on post-fs
90    # We chown/chmod /data again so because mount is run as root + defaults
91    chown system system /data
92    chmod 0771 /data
93
94    # Create dump dir and collect dumps.
95    # Do this before we mount cache so eventually we can use cache for
96    # storing dumps on platforms which do not have a dedicated dump partition.
97   
98    mkdir /data/dontpanic
99    chown root log /data/dontpanic
100    chmod 0750 /data/dontpanic
101
102    # Collect apanic data, free resources and re-arm trigger
103    copy /proc/apanic_console /data/dontpanic/apanic_console
104    chown root log /data/dontpanic/apanic_console
105    chmod 0640 /data/dontpanic/apanic_console
106
107    copy /proc/apanic_threads /data/dontpanic/apanic_threads
108    chown root log /data/dontpanic/apanic_threads
109    chmod 0640 /data/dontpanic/apanic_threads
110
111    write /proc/apanic_console 1
112
113    # Same reason as /data above
114    chown system cache /cache
115    chmod 0770 /cache
116
117    # This may have been created by the recovery system with odd permissions
118    chown system cache /cache/recovery
119    chmod 0770 /cache/recovery
120
121    #change permissions on vmallocinfo so we can grab it from bugreports
122    chown root log /proc/vmallocinfo
123    chmod 0440 /proc/vmallocinfo
124
125    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
126    chown root system /proc/kmsg
127    chmod 0440 /proc/kmsg
128    chown root system /proc/sysrq-trigger
129    chmod 0220 /proc/sysrq-trigger
130
131# create basic filesystem structure
132    mkdir /data/misc 01771 system misc
133    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
134    mkdir /data/misc/bluetooth 0770 system system
135    mkdir /data/misc/keystore 0700 keystore keystore
136    mkdir /data/misc/vpn 0770 system system
137    mkdir /data/misc/systemkeys 0700 system system
138    mkdir /data/misc/vpn/profiles 0770 system system
139    # give system access to wpa_supplicant.conf for backup and restore
140    mkdir /data/misc/wifi 0770 wifi wifi
141    chmod 0770 /data/misc/wifi
142    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
143    mkdir /data/local 0771 shell shell
144    mkdir /data/local/tmp 0771 shell shell
145    mkdir /data/data 0771 system system
146    mkdir /data/app-private 0771 system system
147    mkdir /data/app 0771 system system
148    mkdir /data/property 0700 root root
149
150    # create dalvik-cache and double-check the perms
151    mkdir /data/dalvik-cache 0771 system system
152    chown system system /data/dalvik-cache
153    chmod 0771 /data/dalvik-cache
154
155    # create the lost+found directories, so as to enforce our permissions
156    mkdir /data/lost+found 0770
157    mkdir /cache/lost+found 0770
158
159    # double check the perms, in case lost+found already exists, and set owner
160    chown root root /data/lost+found
161    chmod 0770 /data/lost+found
162    chown root root /cache/lost+found
163    chmod 0770 /cache/lost+found
164
165on boot
166# basic network init
167    ifup lo
168    hostname localhost
169    domainname localdomain
170
171# set RLIMIT_NICE to allow priorities from 19 to -20
172    setrlimit 13 40 40
173
174# Define the oom_adj values for the classes of processes that can be
175# killed by the kernel.  These are used in ActivityManagerService.
176    setprop ro.FOREGROUND_APP_ADJ 0
177    setprop ro.VISIBLE_APP_ADJ 1
178    setprop ro.PERCEPTIBLE_APP_ADJ 2
179    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
180    setprop ro.SECONDARY_SERVER_ADJ 4
181    setprop ro.BACKUP_APP_ADJ 5
182    setprop ro.HOME_APP_ADJ 6
183    setprop ro.HIDDEN_APP_MIN_ADJ 7
184    setprop ro.EMPTY_APP_ADJ 15
185
186# Define the memory thresholds at which the above process classes will
187# be killed.  These numbers are in pages (4k).
188    setprop ro.FOREGROUND_APP_MEM 2048
189    setprop ro.VISIBLE_APP_MEM 3072
190    setprop ro.PERCEPTIBLE_APP_MEM 4096
191    setprop ro.HEAVY_WEIGHT_APP_MEM 4096
192    setprop ro.SECONDARY_SERVER_MEM 6144
193    setprop ro.BACKUP_APP_MEM 6144
194    setprop ro.HOME_APP_MEM 6144
195    setprop ro.HIDDEN_APP_MEM 7168
196    setprop ro.EMPTY_APP_MEM 8192
197
198# Write value must be consistent with the above properties.
199# Note that the driver only supports 6 slots, so we have combined some of
200# the classes into the same memory level; the associated processes of higher
201# classes will still be killed first.
202    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
203
204    write /proc/sys/vm/overcommit_memory 1
205    write /proc/sys/vm/min_free_order_shift 4
206    write /sys/module/lowmemorykiller/parameters/minfree 2048,3072,4096,6144,7168,8192
207
208    # Set init its forked children's oom_adj.
209    write /proc/1/oom_adj -16
210
211    # Tweak background writeout
212    write /proc/sys/vm/dirty_expire_centisecs 200
213    write /proc/sys/vm/dirty_background_ratio  5
214
215    # Permissions for System Server and daemons.
216    chown radio system /sys/android_power/state
217    chown radio system /sys/android_power/request_state
218    chown radio system /sys/android_power/acquire_full_wake_lock
219    chown radio system /sys/android_power/acquire_partial_wake_lock
220    chown radio system /sys/android_power/release_wake_lock
221    chown radio system /sys/power/state
222    chown radio system /sys/power/wake_lock
223    chown radio system /sys/power/wake_unlock
224    chmod 0660 /sys/power/state
225    chmod 0660 /sys/power/wake_lock
226    chmod 0660 /sys/power/wake_unlock
227    chown system system /sys/class/timed_output/vibrator/enable
228    chown system system /sys/class/leds/keyboard-backlight/brightness
229    chown system system /sys/class/leds/lcd-backlight/brightness
230    chown system system /sys/class/leds/button-backlight/brightness
231    chown system system /sys/class/leds/jogball-backlight/brightness
232    chown system system /sys/class/leds/red/brightness
233    chown system system /sys/class/leds/green/brightness
234    chown system system /sys/class/leds/blue/brightness
235    chown system system /sys/class/leds/red/device/grpfreq
236    chown system system /sys/class/leds/red/device/grppwm
237    chown system system /sys/class/leds/red/device/blink
238    chown system system /sys/class/leds/red/brightness
239    chown system system /sys/class/leds/green/brightness
240    chown system system /sys/class/leds/blue/brightness
241    chown system system /sys/class/leds/red/device/grpfreq
242    chown system system /sys/class/leds/red/device/grppwm
243    chown system system /sys/class/leds/red/device/blink
244    chown system system /sys/class/timed_output/vibrator/enable
245    chown system system /sys/module/sco/parameters/disable_esco
246    chown system system /sys/kernel/ipv4/tcp_wmem_min
247    chown system system /sys/kernel/ipv4/tcp_wmem_def
248    chown system system /sys/kernel/ipv4/tcp_wmem_max
249    chown system system /sys/kernel/ipv4/tcp_rmem_min
250    chown system system /sys/kernel/ipv4/tcp_rmem_def
251    chown system system /sys/kernel/ipv4/tcp_rmem_max
252    chown root radio /proc/cmdline
253
254# Define TCP buffer sizes for various networks
255#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
256    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
257    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
258    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
259    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
260    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
261
262    class_start default
263
264## Daemon processes to be run by init.
265##
266service console /system/bin/sh
267    console
268
269service ueventd /sbin/ueventd
270    critical
271
272# adbd is controlled by the persist.service.adb.enable system property
273service adbd /sbin/adbd
274    disabled
275
276# adbd on at boot in emulator
277on property:ro.kernel.qemu=1
278    start adbd
279
280on property:persist.service.adb.enable=1
281    start adbd
282
283on property:persist.service.adb.enable=0
284    stop adbd
285
286service servicemanager /system/bin/servicemanager
287    user system
288    critical
289    onrestart restart zygote
290    onrestart restart media
291
292service vold /system/bin/vold
293    socket vold stream 0660 root mount
294    ioprio be 2
295
296service netd /system/bin/netd
297    socket netd stream 0660 root system
298
299service debuggerd /system/bin/debuggerd
300
301service ril-daemon /system/bin/rild
302    socket rild stream 660 root radio
303    socket rild-debug stream 660 radio system
304    user root
305    group radio cache inet misc audio
306
307service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
308    socket zygote stream 666
309    onrestart write /sys/android_power/request_state wake
310    onrestart write /sys/power/state on
311    onrestart restart media
312
313service media /system/bin/mediaserver
314    user media
315    group system audio camera graphics inet net_bt net_bt_admin net_raw
316    ioprio rt 4
317
318service bootanim /system/bin/bootanimation
319    user graphics
320    group graphics
321    disabled
322    oneshot
323
324service dbus /system/bin/dbus-daemon --system --nofork
325    socket dbus stream 660 bluetooth bluetooth
326    user bluetooth
327    group bluetooth net_bt_admin
328
329service bluetoothd /system/bin/bluetoothd -n
330    socket bluetooth stream 660 bluetooth bluetooth
331    socket dbus_bluetooth stream 660 bluetooth bluetooth
332    # init.rc does not yet support applying capabilities, so run as root and
333    # let bluetoothd drop uid to bluetooth with the right linux capabilities
334    group bluetooth net_bt_admin misc
335    disabled
336
337service hfag /system/bin/sdptool add --channel=10 HFAG
338    user bluetooth
339    group bluetooth net_bt_admin
340    disabled
341    oneshot
342
343service hsag /system/bin/sdptool add --channel=11 HSAG
344    user bluetooth
345    group bluetooth net_bt_admin
346    disabled
347    oneshot
348
349service opush /system/bin/sdptool add --channel=12 OPUSH
350    user bluetooth
351    group bluetooth net_bt_admin
352    disabled
353    oneshot
354
355service pbap /system/bin/sdptool add --channel=19 PBAP
356    user bluetooth
357    group bluetooth net_bt_admin
358    disabled
359    oneshot
360
361service installd /system/bin/installd
362    socket installd stream 600 system system
363
364service flash_recovery /system/etc/install-recovery.sh
365    oneshot
366
367service racoon /system/bin/racoon
368    socket racoon stream 600 system system
369    # racoon will setuid to vpn after getting necessary resources.
370    group net_admin
371    disabled
372    oneshot
373
374service mtpd /system/bin/mtpd
375    socket mtpd stream 600 system system
376    user vpn
377    group vpn net_admin net_raw
378    disabled
379    oneshot
380
381service keystore /system/bin/keystore /data/misc/keystore
382    user keystore
383    group keystore
384    socket keystore stream 666
385
386service dumpstate /system/bin/dumpstate -s
387    socket dumpstate stream 0660 shell log
388    disabled
389    oneshot
390