init.rc revision cfce2826780dc1c4811619b89ba8d358e3f30f11 
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:/vendor/bin:/system/sbin:/system/bin:/system/xbin
15    export LD_LIBRARY_PATH /vendor/lib:/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 LOOP_MOUNTPOINT /mnt/obb
22    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/apache-xml.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
23
24# Backward compatibility
25    symlink /system/etc /etc
26    symlink /sys/kernel/debug /d
27
28# Right now vendor lives on the same filesystem as system,
29# but someday that may change.
30    symlink /system/vendor /vendor
31
32# Create cgroup mount point for cpu accounting
33    mkdir /acct
34    mount cgroup none /acct cpuacct
35    mkdir /acct/uid
36
37    mkdir /system
38    mkdir /data 0771 system system
39    mkdir /cache 0770 system cache
40    mkdir /config 0500 root root
41
42    # Directory for putting things only root should see.
43    mkdir /mnt/secure 0700 root root
44
45    # Directory for staging bindmounts
46    mkdir /mnt/secure/staging 0700 root root
47
48    # Directory-target for where the secure container
49    # imagefile directory will be bind-mounted
50    mkdir /mnt/secure/asec  0700 root root
51
52    # Secure container public mount points.
53    mkdir /mnt/asec  0700 root system
54    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
55
56    # Filesystem image public mount points.
57    mkdir /mnt/obb 0700 root system
58    mount tmpfs tmpfs /mnt/obb mode=0755,gid=1000
59
60    write /proc/sys/kernel/panic_on_oops 1
61    write /proc/sys/kernel/hung_task_timeout_secs 0
62    write /proc/cpu/alignment 4
63    write /proc/sys/kernel/sched_latency_ns 10000000
64    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
65    write /proc/sys/kernel/sched_compat_yield 1
66    write /proc/sys/kernel/sched_child_runs_first 0
67
68# Create cgroup mount points for process groups
69    mkdir /dev/cpuctl
70    mount cgroup none /dev/cpuctl cpu
71    chown system system /dev/cpuctl
72    chown system system /dev/cpuctl/tasks
73    chmod 0777 /dev/cpuctl/tasks
74    write /dev/cpuctl/cpu.shares 1024
75
76    mkdir /dev/cpuctl/fg_boost
77    chown system system /dev/cpuctl/fg_boost/tasks
78    chmod 0777 /dev/cpuctl/fg_boost/tasks
79    write /dev/cpuctl/fg_boost/cpu.shares 1024
80
81    mkdir /dev/cpuctl/bg_non_interactive
82    chown system system /dev/cpuctl/bg_non_interactive/tasks
83    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
84    # 5.0 %
85    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
86
87on fs
88# mount mtd partitions
89    # Mount /system rw first to give the filesystem a chance to save a checkpoint
90    mount yaffs2 mtd@system /system
91    mount yaffs2 mtd@system /system ro remount
92    mount yaffs2 mtd@userdata /data nosuid nodev
93    mount yaffs2 mtd@cache /cache nosuid nodev
94
95on post-fs
96    # once everything is setup, no need to modify /
97    mount rootfs rootfs / ro remount
98
99    # We chown/chmod /cache again so because mount is run as root + defaults
100    chown system cache /cache
101    chmod 0770 /cache
102
103    # This may have been created by the recovery system with odd permissions
104    chown system cache /cache/recovery
105    chmod 0770 /cache/recovery
106
107    #change permissions on vmallocinfo so we can grab it from bugreports
108    chown root log /proc/vmallocinfo
109    chmod 0440 /proc/vmallocinfo
110
111    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
112    chown root system /proc/kmsg
113    chmod 0440 /proc/kmsg
114    chown root system /proc/sysrq-trigger
115    chmod 0220 /proc/sysrq-trigger
116
117    # create the lost+found directories, so as to enforce our permissions
118    mkdir /cache/lost+found 0770
119
120    # double check the perms, in case lost+found already exists, and set owner
121    chown root root /cache/lost+found
122    chmod 0770 /cache/lost+found
123
124on post-fs-data
125    # We chown/chmod /data again so because mount is run as root + defaults
126    chown system system /data
127    chmod 0771 /data
128
129    # Create dump dir and collect dumps.
130    # Do this before we mount cache so eventually we can use cache for
131    # storing dumps on platforms which do not have a dedicated dump partition.
132   
133    mkdir /data/dontpanic
134    chown root log /data/dontpanic
135    chmod 0750 /data/dontpanic
136
137    # Collect apanic data, free resources and re-arm trigger
138    copy /proc/apanic_console /data/dontpanic/apanic_console
139    chown root log /data/dontpanic/apanic_console
140    chmod 0640 /data/dontpanic/apanic_console
141
142    copy /proc/apanic_threads /data/dontpanic/apanic_threads
143    chown root log /data/dontpanic/apanic_threads
144    chmod 0640 /data/dontpanic/apanic_threads
145
146    write /proc/apanic_console 1
147
148    # create basic filesystem structure
149    mkdir /data/misc 01771 system misc
150    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
151    mkdir /data/misc/bluetooth 0770 system system
152    mkdir /data/misc/keystore 0700 keystore keystore
153    mkdir /data/misc/vpn 0770 system system
154    mkdir /data/misc/systemkeys 0700 system system
155    mkdir /data/misc/vpn/profiles 0770 system system
156    # give system access to wpa_supplicant.conf for backup and restore
157    mkdir /data/misc/wifi 0770 wifi wifi
158    chmod 0770 /data/misc/wifi
159    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
160    mkdir /data/local 0771 shell shell
161    mkdir /data/local/tmp 0771 shell shell
162    mkdir /data/data 0771 system system
163    mkdir /data/app-private 0771 system system
164    mkdir /data/app 0771 system system
165    mkdir /data/property 0700 root root
166
167    # create dalvik-cache and double-check the perms
168    mkdir /data/dalvik-cache 0771 system system
169    chown system system /data/dalvik-cache
170    chmod 0771 /data/dalvik-cache
171
172    # create the lost+found directories, so as to enforce our permissions
173    mkdir /data/lost+found 0770
174
175    # double check the perms, in case lost+found already exists, and set owner
176    chown root root /data/lost+found
177    chmod 0770 /data/lost+found
178
179    # create directory for DRM plug-ins
180    mkdir /data/drm 0774 drm drm
181
182    # If there is no fs-post-data action in the init.<device>.rc file, you
183    # must uncomment this line, otherwise encrypted filesystems
184    # won't work.
185    # Set indication (checked by vold) that we have finished this action
186    #setprop vold.post_fs_data_done 1
187
188on boot
189# basic network init
190    ifup lo
191    hostname localhost
192    domainname localdomain
193
194# set RLIMIT_NICE to allow priorities from 19 to -20
195    setrlimit 13 40 40
196
197# Define the oom_adj values for the classes of processes that can be
198# killed by the kernel.  These are used in ActivityManagerService.
199    setprop ro.FOREGROUND_APP_ADJ 0
200    setprop ro.VISIBLE_APP_ADJ 1
201    setprop ro.PERCEPTIBLE_APP_ADJ 2
202    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
203    setprop ro.SECONDARY_SERVER_ADJ 4
204    setprop ro.BACKUP_APP_ADJ 5
205    setprop ro.HOME_APP_ADJ 6
206    setprop ro.HIDDEN_APP_MIN_ADJ 7
207    setprop ro.EMPTY_APP_ADJ 15
208
209# Define the memory thresholds at which the above process classes will
210# be killed.  These numbers are in pages (4k).
211    # These are currently tuned for tablets with approx 1GB RAM.
212    setprop ro.FOREGROUND_APP_MEM 8192
213    setprop ro.VISIBLE_APP_MEM 10240
214    setprop ro.PERCEPTIBLE_APP_MEM 12288
215    setprop ro.HEAVY_WEIGHT_APP_MEM 12288
216    setprop ro.SECONDARY_SERVER_MEM 14336
217    setprop ro.BACKUP_APP_MEM 14336
218    setprop ro.HOME_APP_MEM 14336
219    setprop ro.HIDDEN_APP_MEM 16384
220    setprop ro.EMPTY_APP_MEM 20480
221
222    # Old values for phones.  Should probably be adjusted up for the next
223    # phone version.
224    #setprop ro.FOREGROUND_APP_MEM 2048
225    #setprop ro.VISIBLE_APP_MEM 3072
226    #setprop ro.PERCEPTIBLE_APP_MEM 4096
227    #setprop ro.HEAVY_WEIGHT_APP_MEM 4096
228    #setprop ro.SECONDARY_SERVER_MEM 6144
229    #setprop ro.BACKUP_APP_MEM 6144
230    #setprop ro.HOME_APP_MEM 6144
231    #setprop ro.HIDDEN_APP_MEM 7168
232    #setprop ro.EMPTY_APP_MEM 8192
233
234# Write value must be consistent with the above properties.
235# Note that the driver only supports 6 slots, so we have combined some of
236# the classes into the same memory level; the associated processes of higher
237# classes will still be killed first.
238    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
239
240    write /proc/sys/vm/overcommit_memory 1
241    write /proc/sys/vm/min_free_order_shift 4
242    write /sys/module/lowmemorykiller/parameters/minfree 8192,10240,12288,14336,16384,20480
243
244    # Set init its forked children's oom_adj.
245    write /proc/1/oom_adj -16
246
247    # Tweak background writeout
248    write /proc/sys/vm/dirty_expire_centisecs 200
249    write /proc/sys/vm/dirty_background_ratio  5
250
251    # Permissions for System Server and daemons.
252    chown radio system /sys/android_power/state
253    chown radio system /sys/android_power/request_state
254    chown radio system /sys/android_power/acquire_full_wake_lock
255    chown radio system /sys/android_power/acquire_partial_wake_lock
256    chown radio system /sys/android_power/release_wake_lock
257    chown radio system /sys/power/state
258    chown radio system /sys/power/wake_lock
259    chown radio system /sys/power/wake_unlock
260    chmod 0660 /sys/power/state
261    chmod 0660 /sys/power/wake_lock
262    chmod 0660 /sys/power/wake_unlock
263    chown system system /sys/class/timed_output/vibrator/enable
264    chown system system /sys/class/leds/keyboard-backlight/brightness
265    chown system system /sys/class/leds/lcd-backlight/brightness
266    chown system system /sys/class/leds/button-backlight/brightness
267    chown system system /sys/class/leds/jogball-backlight/brightness
268    chown system system /sys/class/leds/red/brightness
269    chown system system /sys/class/leds/green/brightness
270    chown system system /sys/class/leds/blue/brightness
271    chown system system /sys/class/leds/red/device/grpfreq
272    chown system system /sys/class/leds/red/device/grppwm
273    chown system system /sys/class/leds/red/device/blink
274    chown system system /sys/class/leds/red/brightness
275    chown system system /sys/class/leds/green/brightness
276    chown system system /sys/class/leds/blue/brightness
277    chown system system /sys/class/leds/red/device/grpfreq
278    chown system system /sys/class/leds/red/device/grppwm
279    chown system system /sys/class/leds/red/device/blink
280    chown system system /sys/class/timed_output/vibrator/enable
281    chown system system /sys/module/sco/parameters/disable_esco
282    chown system system /sys/kernel/ipv4/tcp_wmem_min
283    chown system system /sys/kernel/ipv4/tcp_wmem_def
284    chown system system /sys/kernel/ipv4/tcp_wmem_max
285    chown system system /sys/kernel/ipv4/tcp_rmem_min
286    chown system system /sys/kernel/ipv4/tcp_rmem_def
287    chown system system /sys/kernel/ipv4/tcp_rmem_max
288    chown root radio /proc/cmdline
289
290# Define TCP buffer sizes for various networks
291#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
292    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
293    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
294    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
295    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
296    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
297
298# Set this property so surfaceflinger is not started by system_init
299    setprop system_init.startsurfaceflinger 0
300
301    class_start core
302    class_start main
303
304on nonencrypted
305    class_start late_start
306
307on property:vold.decrypt=trigger_reset_main
308    class_reset main
309
310on property:vold.decrypt=trigger_load_persist_props
311    load_persist_props
312
313on property:vold.decrypt=trigger_post_fs_data
314    trigger post-fs-data
315
316on property:vold.decrypt=trigger_restart_min_framework
317    class_start main
318
319on property:vold.decrypt=trigger_restart_framework
320    class_start main
321    class_start late_start
322
323on property:vold.decrypt=trigger_shutdown_framework
324    class_reset late_start
325    class_reset main
326
327## Daemon processes to be run by init.
328##
329service ueventd /sbin/ueventd
330    class core
331    critical
332
333service console /system/bin/sh
334    class core
335    console
336    disabled
337    user shell
338    group log
339
340on property:ro.debuggable=1
341    start console
342
343# adbd is controlled by the persist.service.adb.enable system property
344service adbd /sbin/adbd
345    class core
346    disabled
347
348# adbd on at boot in emulator
349on property:ro.kernel.qemu=1
350    start adbd
351
352on property:persist.service.adb.enable=1
353    start adbd
354
355on property:persist.service.adb.enable=0
356    stop adbd
357
358service servicemanager /system/bin/servicemanager
359    class core
360    user system
361    group system
362    critical
363    onrestart restart zygote
364    onrestart restart media
365
366service vold /system/bin/vold
367    class core
368    socket vold stream 0660 root mount
369    ioprio be 2
370
371service netd /system/bin/netd
372    class main
373    socket netd stream 0660 root system
374    socket dnsproxyd stream 0660 root inet
375
376service debuggerd /system/bin/debuggerd
377    class main
378
379service ril-daemon /system/bin/rild
380    class late_start
381    socket rild stream 660 root radio
382    socket rild-debug stream 660 radio system
383    user root
384    group radio cache inet misc audio sdcard_rw
385
386service surfaceflinger /system/bin/surfaceflinger
387    class main
388    user system
389    group graphics
390    onrestart restart zygote
391
392service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
393    class main
394    socket zygote stream 666
395    onrestart write /sys/android_power/request_state wake
396    onrestart write /sys/power/state on
397    onrestart restart surfaceflinger
398    onrestart restart media
399    onrestart restart netd
400
401service drm /system/bin/drmserver
402    class main
403    user drm
404    group inet system
405
406service media /system/bin/mediaserver
407    class main
408    user media
409    group audio camera inet net_bt net_bt_admin
410    ioprio rt 4
411
412service bootanim /system/bin/bootanimation
413    class main
414    user graphics
415    group graphics
416    disabled
417    oneshot
418
419service dbus /system/bin/dbus-daemon --system --nofork
420    class main
421    socket dbus stream 660 bluetooth bluetooth
422    user bluetooth
423    group bluetooth net_bt_admin
424
425service bluetoothd /system/bin/bluetoothd -n
426    class main
427    socket bluetooth stream 660 bluetooth bluetooth
428    socket dbus_bluetooth stream 660 bluetooth bluetooth
429    # init.rc does not yet support applying capabilities, so run as root and
430    # let bluetoothd drop uid to bluetooth with the right linux capabilities
431    group bluetooth net_bt_admin misc
432    disabled
433
434service installd /system/bin/installd
435    class main
436    socket installd stream 600 system system
437
438service flash_recovery /system/etc/install-recovery.sh
439    class main
440    oneshot
441
442service racoon /system/bin/racoon
443    class main
444    socket racoon stream 600 system system
445    # racoon will setuid to vpn after getting necessary resources.
446    group net_admin
447    disabled
448    oneshot
449
450service mtpd /system/bin/mtpd
451    class main
452    socket mtpd stream 600 system system
453    user vpn
454    group vpn net_admin net_raw
455    disabled
456    oneshot
457
458service keystore /system/bin/keystore /data/misc/keystore
459    class main
460    user keystore
461    group keystore
462    socket keystore stream 666
463
464service dumpstate /system/bin/dumpstate -s
465    class main
466    socket dumpstate stream 0660 shell log
467    disabled
468    oneshot
469