init.rc revision 56de7a1263431819ff9a53dcd9e8e3306149ed99 
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:/system/sbin:/system/bin:/system/xbin
12    export LD_LIBRARY_PATH /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# create mountpoints
27    mkdir /mnt 0775 root system
28    mkdir /mnt/sdcard 0000 system system
29
30# Create cgroup mount point for cpu accounting
31    mkdir /acct
32    mount cgroup none /acct cpuacct
33    mkdir /acct/uid
34
35# Backwards Compat - XXX: Going away in G*
36    symlink /mnt/sdcard /sdcard
37
38    mkdir /system
39    mkdir /data 0771 system system
40    mkdir /cache 0770 system cache
41    mkdir /config 0500 root root
42
43    # Directory for putting things only root should see.
44    mkdir /mnt/secure 0700 root root
45
46    # Directory for staging bindmounts
47    mkdir /mnt/secure/staging 0700 root root
48
49    # Directory-target for where the secure container
50    # imagefile directory will be bind-mounted
51    mkdir /mnt/secure/asec  0700 root root
52
53    # Secure container public mount points.
54    mkdir /mnt/asec  0700 root system
55    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
56
57    # Filesystem image public mount points.
58    mkdir /mnt/obb 0700 root system
59    mount tmpfs tmpfs /mnt/obb mode=0755,gid=1000
60
61    write /proc/sys/kernel/panic_on_oops 1
62    write /proc/sys/kernel/hung_task_timeout_secs 0
63    write /proc/cpu/alignment 4
64    write /proc/sys/kernel/sched_latency_ns 10000000
65    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
66    write /proc/sys/kernel/sched_compat_yield 1
67    write /proc/sys/kernel/sched_child_runs_first 0
68
69# Create cgroup mount points for process groups
70    mkdir /dev/cpuctl
71    mount cgroup none /dev/cpuctl cpu
72    chown system system /dev/cpuctl
73    chown system system /dev/cpuctl/tasks
74    chmod 0777 /dev/cpuctl/tasks
75    write /dev/cpuctl/cpu.shares 1024
76
77    mkdir /dev/cpuctl/fg_boost
78    chown system system /dev/cpuctl/fg_boost/tasks
79    chmod 0777 /dev/cpuctl/fg_boost/tasks
80    write /dev/cpuctl/fg_boost/cpu.shares 1024
81
82    mkdir /dev/cpuctl/bg_non_interactive
83    chown system system /dev/cpuctl/bg_non_interactive/tasks
84    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
85    # 5.0 %
86    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
87
88on fs
89# mount mtd partitions
90    # Mount /system rw first to give the filesystem a chance to save a checkpoint
91    mount yaffs2 mtd@system /system
92    mount yaffs2 mtd@system /system ro remount
93    mount yaffs2 mtd@userdata /data nosuid nodev
94    mount yaffs2 mtd@cache /cache nosuid nodev
95
96on post-fs
97    # once everything is setup, no need to modify /
98    mount rootfs rootfs / ro remount
99
100    # We chown/chmod /data again so because mount is run as root + defaults
101    chown system system /data
102    chmod 0771 /data
103
104    # Create dump dir and collect dumps.
105    # Do this before we mount cache so eventually we can use cache for
106    # storing dumps on platforms which do not have a dedicated dump partition.
107   
108    mkdir /data/dontpanic
109    chown root log /data/dontpanic
110    chmod 0750 /data/dontpanic
111
112    # Collect apanic data, free resources and re-arm trigger
113    copy /proc/apanic_console /data/dontpanic/apanic_console
114    chown root log /data/dontpanic/apanic_console
115    chmod 0640 /data/dontpanic/apanic_console
116
117    copy /proc/apanic_threads /data/dontpanic/apanic_threads
118    chown root log /data/dontpanic/apanic_threads
119    chmod 0640 /data/dontpanic/apanic_threads
120
121    write /proc/apanic_console 1
122
123    # Same reason as /data above
124    chown system cache /cache
125    chmod 0770 /cache
126
127    # This may have been created by the recovery system with odd permissions
128    chown system cache /cache/recovery
129    chmod 0770 /cache/recovery
130
131    #change permissions on vmallocinfo so we can grab it from bugreports
132    chown root log /proc/vmallocinfo
133    chmod 0440 /proc/vmallocinfo
134
135    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
136    chown root system /proc/kmsg
137    chmod 0440 /proc/kmsg
138    chown root system /proc/sysrq-trigger
139    chmod 0220 /proc/sysrq-trigger
140
141# create basic filesystem structure
142    mkdir /data/misc 01771 system misc
143    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
144    mkdir /data/misc/bluetooth 0770 system system
145    mkdir /data/misc/keystore 0700 keystore keystore
146    mkdir /data/misc/vpn 0770 system system
147    mkdir /data/misc/systemkeys 0700 system system
148    mkdir /data/misc/vpn/profiles 0770 system system
149    # give system access to wpa_supplicant.conf for backup and restore
150    mkdir /data/misc/wifi 0770 wifi wifi
151    chmod 0770 /data/misc/wifi
152    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
153    mkdir /data/local 0771 shell shell
154    mkdir /data/local/tmp 0771 shell shell
155    mkdir /data/data 0771 system system
156    mkdir /data/app-private 0771 system system
157    mkdir /data/app 0771 system system
158    mkdir /data/property 0700 root root
159
160    # create dalvik-cache and double-check the perms
161    mkdir /data/dalvik-cache 0771 system system
162    chown system system /data/dalvik-cache
163    chmod 0771 /data/dalvik-cache
164
165    # create the lost+found directories, so as to enforce our permissions
166    mkdir /data/lost+found 0770
167    mkdir /cache/lost+found 0770
168
169    # double check the perms, in case lost+found already exists, and set owner
170    chown root root /data/lost+found
171    chmod 0770 /data/lost+found
172    chown root root /cache/lost+found
173    chmod 0770 /cache/lost+found
174
175on boot
176# basic network init
177    ifup lo
178    hostname localhost
179    domainname localdomain
180
181# set RLIMIT_NICE to allow priorities from 19 to -20
182    setrlimit 13 40 40
183
184# Define the oom_adj values for the classes of processes that can be
185# killed by the kernel.  These are used in ActivityManagerService.
186    setprop ro.FOREGROUND_APP_ADJ 0
187    setprop ro.VISIBLE_APP_ADJ 1
188    setprop ro.PERCEPTIBLE_APP_ADJ 2
189    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
190    setprop ro.SECONDARY_SERVER_ADJ 4
191    setprop ro.BACKUP_APP_ADJ 5
192    setprop ro.HOME_APP_ADJ 6
193    setprop ro.HIDDEN_APP_MIN_ADJ 7
194    setprop ro.EMPTY_APP_ADJ 15
195
196# Define the memory thresholds at which the above process classes will
197# be killed.  These numbers are in pages (4k).
198    setprop ro.FOREGROUND_APP_MEM 2048
199    setprop ro.VISIBLE_APP_MEM 3072
200    setprop ro.PERCEPTIBLE_APP_MEM 4096
201    setprop ro.HEAVY_WEIGHT_APP_MEM 4096
202    setprop ro.SECONDARY_SERVER_MEM 6144
203    setprop ro.BACKUP_APP_MEM 6144
204    setprop ro.HOME_APP_MEM 6144
205    setprop ro.HIDDEN_APP_MEM 7168
206    setprop ro.EMPTY_APP_MEM 8192
207
208# Write value must be consistent with the above properties.
209# Note that the driver only supports 6 slots, so we have combined some of
210# the classes into the same memory level; the associated processes of higher
211# classes will still be killed first.
212    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
213
214    write /proc/sys/vm/overcommit_memory 1
215    write /proc/sys/vm/min_free_order_shift 4
216    write /sys/module/lowmemorykiller/parameters/minfree 2048,3072,4096,6144,7168,8192
217
218    # Set init its forked children's oom_adj.
219    write /proc/1/oom_adj -16
220
221    # Tweak background writeout
222    write /proc/sys/vm/dirty_expire_centisecs 200
223    write /proc/sys/vm/dirty_background_ratio  5
224
225    # Permissions for System Server and daemons.
226    chown radio system /sys/android_power/state
227    chown radio system /sys/android_power/request_state
228    chown radio system /sys/android_power/acquire_full_wake_lock
229    chown radio system /sys/android_power/acquire_partial_wake_lock
230    chown radio system /sys/android_power/release_wake_lock
231    chown radio system /sys/power/state
232    chown radio system /sys/power/wake_lock
233    chown radio system /sys/power/wake_unlock
234    chmod 0660 /sys/power/state
235    chmod 0660 /sys/power/wake_lock
236    chmod 0660 /sys/power/wake_unlock
237    chown system system /sys/class/timed_output/vibrator/enable
238    chown system system /sys/class/leds/keyboard-backlight/brightness
239    chown system system /sys/class/leds/lcd-backlight/brightness
240    chown system system /sys/class/leds/button-backlight/brightness
241    chown system system /sys/class/leds/jogball-backlight/brightness
242    chown system system /sys/class/leds/red/brightness
243    chown system system /sys/class/leds/green/brightness
244    chown system system /sys/class/leds/blue/brightness
245    chown system system /sys/class/leds/red/device/grpfreq
246    chown system system /sys/class/leds/red/device/grppwm
247    chown system system /sys/class/leds/red/device/blink
248    chown system system /sys/class/leds/red/brightness
249    chown system system /sys/class/leds/green/brightness
250    chown system system /sys/class/leds/blue/brightness
251    chown system system /sys/class/leds/red/device/grpfreq
252    chown system system /sys/class/leds/red/device/grppwm
253    chown system system /sys/class/leds/red/device/blink
254    chown system system /sys/class/timed_output/vibrator/enable
255    chown system system /sys/module/sco/parameters/disable_esco
256    chown system system /sys/kernel/ipv4/tcp_wmem_min
257    chown system system /sys/kernel/ipv4/tcp_wmem_def
258    chown system system /sys/kernel/ipv4/tcp_wmem_max
259    chown system system /sys/kernel/ipv4/tcp_rmem_min
260    chown system system /sys/kernel/ipv4/tcp_rmem_def
261    chown system system /sys/kernel/ipv4/tcp_rmem_max
262    chown root radio /proc/cmdline
263
264# Define TCP buffer sizes for various networks
265#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
266    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
267    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
268    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
269    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
270    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
271
272    class_start default
273
274## Daemon processes to be run by init.
275##
276service console /system/bin/sh
277    console
278
279service ueventd /sbin/ueventd
280    critical
281
282# adbd is controlled by the persist.service.adb.enable system property
283service adbd /sbin/adbd
284    disabled
285
286# adbd on at boot in emulator
287on property:ro.kernel.qemu=1
288    start adbd
289
290on property:persist.service.adb.enable=1
291    start adbd
292
293on property:persist.service.adb.enable=0
294    stop adbd
295
296service servicemanager /system/bin/servicemanager
297    user system
298    critical
299    onrestart restart zygote
300    onrestart restart media
301
302service vold /system/bin/vold
303    socket vold stream 0660 root mount
304    ioprio be 2
305
306service netd /system/bin/netd
307    socket netd stream 0660 root system
308
309service debuggerd /system/bin/debuggerd
310
311service ril-daemon /system/bin/rild
312    socket rild stream 660 root radio
313    socket rild-debug stream 660 radio system
314    user root
315    group radio cache inet misc audio
316
317service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
318    socket zygote stream 666
319    onrestart write /sys/android_power/request_state wake
320    onrestart write /sys/power/state on
321    onrestart restart media
322
323service media /system/bin/mediaserver
324    user media
325    group system audio camera graphics inet net_bt net_bt_admin net_raw
326    ioprio rt 4
327
328service bootanim /system/bin/bootanimation
329    user graphics
330    group graphics
331    disabled
332    oneshot
333
334service dbus /system/bin/dbus-daemon --system --nofork
335    socket dbus stream 660 bluetooth bluetooth
336    user bluetooth
337    group bluetooth net_bt_admin
338
339service bluetoothd /system/bin/bluetoothd -n
340    socket bluetooth stream 660 bluetooth bluetooth
341    socket dbus_bluetooth stream 660 bluetooth bluetooth
342    # init.rc does not yet support applying capabilities, so run as root and
343    # let bluetoothd drop uid to bluetooth with the right linux capabilities
344    group bluetooth net_bt_admin misc
345    disabled
346
347service hfag /system/bin/sdptool add --channel=10 HFAG
348    user bluetooth
349    group bluetooth net_bt_admin
350    disabled
351    oneshot
352
353service hsag /system/bin/sdptool add --channel=11 HSAG
354    user bluetooth
355    group bluetooth net_bt_admin
356    disabled
357    oneshot
358
359service opush /system/bin/sdptool add --channel=12 OPUSH
360    user bluetooth
361    group bluetooth net_bt_admin
362    disabled
363    oneshot
364
365service pbap /system/bin/sdptool add --channel=19 PBAP
366    user bluetooth
367    group bluetooth net_bt_admin
368    disabled
369    oneshot
370
371service installd /system/bin/installd
372    socket installd stream 600 system system
373
374service flash_recovery /system/etc/install-recovery.sh
375    oneshot
376
377service racoon /system/bin/racoon
378    socket racoon stream 600 system system
379    # racoon will setuid to vpn after getting necessary resources.
380    group net_admin
381    disabled
382    oneshot
383
384service mtpd /system/bin/mtpd
385    socket mtpd stream 600 system system
386    user vpn
387    group vpn net_admin net_raw
388    disabled
389    oneshot
390
391service keystore /system/bin/keystore /data/misc/keystore
392    user keystore
393    group keystore
394    socket keystore stream 666
395
396service dumpstate /system/bin/dumpstate -s
397    socket dumpstate stream 0660 shell log
398    disabled
399    oneshot
400