init.rc revision 56286d6fdb07d8b1310c27eeb59bdf05500f166e 
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/core-junit.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/apache-xml.jar:/system/framework/filterfw.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 root root
119
120on post-fs-data
121    # We chown/chmod /data again so because mount is run as root + defaults
122    chown system system /data
123    chmod 0771 /data
124
125    # Create dump dir and collect dumps.
126    # Do this before we mount cache so eventually we can use cache for
127    # storing dumps on platforms which do not have a dedicated dump partition.
128    mkdir /data/dontpanic 0750 root log
129
130    # Collect apanic data, free resources and re-arm trigger
131    copy /proc/apanic_console /data/dontpanic/apanic_console
132    chown root log /data/dontpanic/apanic_console
133    chmod 0640 /data/dontpanic/apanic_console
134
135    copy /proc/apanic_threads /data/dontpanic/apanic_threads
136    chown root log /data/dontpanic/apanic_threads
137    chmod 0640 /data/dontpanic/apanic_threads
138
139    write /proc/apanic_console 1
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/keychain 0771 system system
147    mkdir /data/misc/vpn 0770 system vpn
148    mkdir /data/misc/systemkeys 0700 system system
149    # give system access to wpa_supplicant.conf for backup and restore
150    mkdir /data/misc/wifi 0770 wifi wifi
151    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
152    mkdir /data/local 0771 shell shell
153    mkdir /data/local/tmp 0771 shell shell
154    mkdir /data/data 0771 system system
155    mkdir /data/app-private 0771 system system
156    mkdir /data/app 0771 system system
157    mkdir /data/property 0700 root root
158
159    # create dalvik-cache, so as to enforce our permissions
160    mkdir /data/dalvik-cache 0771 system system
161
162    # create the lost+found directories, so as to enforce our permissions
163    mkdir /data/lost+found 0770 root root
164
165    # create directory for DRM plug-ins
166    mkdir /data/drm 0774 drm drm
167
168    # If there is no fs-post-data action in the init.<device>.rc file, you
169    # must uncomment this line, otherwise encrypted filesystems
170    # won't work.
171    # Set indication (checked by vold) that we have finished this action
172    #setprop vold.post_fs_data_done 1
173
174    chown system system /sys/class/android_usb/android0/f_mass_storage/lun/file
175    chmod 0660 /sys/class/android_usb/android0/f_mass_storage/lun/file
176    chown system system /sys/class/android_usb/android0/f_rndis/ethaddr
177    chmod 0660 /sys/class/android_usb/android0/f_rndis/ethaddr
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    # These are currently tuned for tablets with approx 1GB RAM.
203    setprop ro.FOREGROUND_APP_MEM 8192
204    setprop ro.VISIBLE_APP_MEM 10240
205    setprop ro.PERCEPTIBLE_APP_MEM 12288
206    setprop ro.HEAVY_WEIGHT_APP_MEM 12288
207    setprop ro.SECONDARY_SERVER_MEM 14336
208    setprop ro.BACKUP_APP_MEM 14336
209    setprop ro.HOME_APP_MEM 14336
210    setprop ro.HIDDEN_APP_MEM 16384
211    setprop ro.EMPTY_APP_MEM 20480
212
213    # Old values for phones.  Should probably be adjusted up for the next
214    # phone version.
215    #setprop ro.FOREGROUND_APP_MEM 2048
216    #setprop ro.VISIBLE_APP_MEM 3072
217    #setprop ro.PERCEPTIBLE_APP_MEM 4096
218    #setprop ro.HEAVY_WEIGHT_APP_MEM 4096
219    #setprop ro.SECONDARY_SERVER_MEM 6144
220    #setprop ro.BACKUP_APP_MEM 6144
221    #setprop ro.HOME_APP_MEM 6144
222    #setprop ro.HIDDEN_APP_MEM 7168
223    #setprop ro.EMPTY_APP_MEM 8192
224
225# Write value must be consistent with the above properties.
226# Note that the driver only supports 6 slots, so we have combined some of
227# the classes into the same memory level; the associated processes of higher
228# classes will still be killed first.
229    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
230
231    write /proc/sys/vm/overcommit_memory 1
232    write /proc/sys/vm/min_free_order_shift 4
233    write /sys/module/lowmemorykiller/parameters/minfree 8192,10240,12288,14336,16384,20480
234
235    # Set init its forked children's oom_adj.
236    write /proc/1/oom_adj -16
237
238    # Tweak background writeout
239    write /proc/sys/vm/dirty_expire_centisecs 200
240    write /proc/sys/vm/dirty_background_ratio  5
241
242    # Permissions for System Server and daemons.
243    chown radio system /sys/android_power/state
244    chown radio system /sys/android_power/request_state
245    chown radio system /sys/android_power/acquire_full_wake_lock
246    chown radio system /sys/android_power/acquire_partial_wake_lock
247    chown radio system /sys/android_power/release_wake_lock
248    chown radio system /sys/power/state
249    chown radio system /sys/power/wake_lock
250    chown radio system /sys/power/wake_unlock
251    chmod 0660 /sys/power/state
252    chmod 0660 /sys/power/wake_lock
253    chmod 0660 /sys/power/wake_unlock
254    chown system system /sys/class/timed_output/vibrator/enable
255    chown system system /sys/class/leds/keyboard-backlight/brightness
256    chown system system /sys/class/leds/lcd-backlight/brightness
257    chown system system /sys/class/leds/button-backlight/brightness
258    chown system system /sys/class/leds/jogball-backlight/brightness
259    chown system system /sys/class/leds/red/brightness
260    chown system system /sys/class/leds/green/brightness
261    chown system system /sys/class/leds/blue/brightness
262    chown system system /sys/class/leds/red/device/grpfreq
263    chown system system /sys/class/leds/red/device/grppwm
264    chown system system /sys/class/leds/red/device/blink
265    chown system system /sys/class/leds/red/brightness
266    chown system system /sys/class/leds/green/brightness
267    chown system system /sys/class/leds/blue/brightness
268    chown system system /sys/class/leds/red/device/grpfreq
269    chown system system /sys/class/leds/red/device/grppwm
270    chown system system /sys/class/leds/red/device/blink
271    chown system system /sys/class/timed_output/vibrator/enable
272    chown system system /sys/module/sco/parameters/disable_esco
273    chown system system /sys/kernel/ipv4/tcp_wmem_min
274    chown system system /sys/kernel/ipv4/tcp_wmem_def
275    chown system system /sys/kernel/ipv4/tcp_wmem_max
276    chown system system /sys/kernel/ipv4/tcp_rmem_min
277    chown system system /sys/kernel/ipv4/tcp_rmem_def
278    chown system system /sys/kernel/ipv4/tcp_rmem_max
279    chown root radio /proc/cmdline
280
281# Define TCP buffer sizes for various networks
282#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
283    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
284    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
285    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
286    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
287    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
288
289# Set this property so surfaceflinger is not started by system_init
290    setprop system_init.startsurfaceflinger 0
291
292    class_start core
293    class_start main
294
295on nonencrypted
296    class_start late_start
297
298on property:vold.decrypt=trigger_reset_main
299    class_reset main
300
301on property:vold.decrypt=trigger_load_persist_props
302    load_persist_props
303
304on property:vold.decrypt=trigger_post_fs_data
305    trigger post-fs-data
306
307on property:vold.decrypt=trigger_restart_min_framework
308    class_start main
309
310on property:vold.decrypt=trigger_restart_framework
311    class_start main
312    class_start late_start
313
314on property:vold.decrypt=trigger_shutdown_framework
315    class_reset late_start
316    class_reset main
317
318# USB accessory configuration
319on property:sys.usb.config=accessory
320    write /sys/class/android_usb/android0/enable 0
321    write /sys/class/android_usb/android0/idVendor 18d1
322    write /sys/class/android_usb/android0/idProduct 2d00
323    write /sys/class/android_usb/android0/functions $sys.usb.config
324    write /sys/class/android_usb/android0/enable 1
325    setprop sys.usb.state $sys.usb.config
326
327# USB accessory configuration, with adb
328on property:sys.usb.config=accessory,adb
329    write /sys/class/android_usb/android0/enable 0
330    write /sys/class/android_usb/android0/idVendor 18d1
331    write /sys/class/android_usb/android0/idProduct 2d01
332    write /sys/class/android_usb/android0/functions $sys.usb.config
333    write /sys/class/android_usb/android0/enable 1
334    start adbd
335    setprop sys.usb.state $sys.usb.config
336
337on property:persist.sys.usb.config=*
338    setprop sys.usb.config $persist.sys.usb.config
339
340## Daemon processes to be run by init.
341##
342service ueventd /sbin/ueventd
343    class core
344    critical
345
346service console /system/bin/sh
347    class core
348    console
349    disabled
350    user shell
351    group log
352
353on property:ro.debuggable=1
354    start console
355
356# adbd is controlled via property triggers in init.<platform>.usb.rc
357service adbd /sbin/adbd
358    class core
359    disabled
360
361# adbd on at boot in emulator
362on property:ro.kernel.qemu=1
363    start adbd
364
365# This property trigger has added to imitiate the previous behavior of "adb root".
366# The adb gadget driver used to reset the USB bus when the adbd daemon exited,
367# and the host side adb relied on this behavior to force it to reconnect with the
368# new adbd instance after init relaunches it. So now we force the USB bus to reset
369# here when adbd sets the service.adb.root property to 1.  We also restart adbd here
370# rather than waiting for init to notice its death and restarting it so the timing
371# of USB resetting and adb restarting more closely matches the previous behavior.
372on property:service.adb.root=1
373    write /sys/class/android_usb/android0/enable 0
374    restart adbd
375    write /sys/class/android_usb/android0/enable 1
376
377service servicemanager /system/bin/servicemanager
378    class core
379    user system
380    group system
381    critical
382    onrestart restart zygote
383    onrestart restart media
384
385service vold /system/bin/vold
386    class core
387    socket vold stream 0660 root mount
388    ioprio be 2
389
390service netd /system/bin/netd
391    class main
392    socket netd stream 0660 root system
393    socket dnsproxyd stream 0660 root inet
394
395service debuggerd /system/bin/debuggerd
396    class main
397
398service ril-daemon /system/bin/rild
399    class main
400    socket rild stream 660 root radio
401    socket rild-debug stream 660 radio system
402    user root
403    group radio cache inet misc audio sdcard_rw
404
405service surfaceflinger /system/bin/surfaceflinger
406    class main
407    user system
408    group graphics
409    onrestart restart zygote
410
411service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
412    class main
413    socket zygote stream 666
414    onrestart write /sys/android_power/request_state wake
415    onrestart write /sys/power/state on
416    onrestart restart media
417    onrestart restart netd
418
419service drm /system/bin/drmserver
420    class main
421    user drm
422    group system inet
423
424service media /system/bin/mediaserver
425    class main
426    user media
427    # STOPSHIP: remove system from mediaserver groups
428    group audio camera inet net_bt net_bt_admin system
429    ioprio rt 4
430
431service bootanim /system/bin/bootanimation
432    class main
433    user graphics
434    group graphics
435    disabled
436    oneshot
437
438service dbus /system/bin/dbus-daemon --system --nofork
439    class main
440    socket dbus stream 660 bluetooth bluetooth
441    user bluetooth
442    group bluetooth net_bt_admin
443
444service bluetoothd /system/bin/bluetoothd -n
445    class main
446    socket bluetooth stream 660 bluetooth bluetooth
447    socket dbus_bluetooth stream 660 bluetooth bluetooth
448    # init.rc does not yet support applying capabilities, so run as root and
449    # let bluetoothd drop uid to bluetooth with the right linux capabilities
450    group bluetooth net_bt_admin misc
451    disabled
452
453service installd /system/bin/installd
454    class main
455    socket installd stream 600 system system
456
457service flash_recovery /system/etc/install-recovery.sh
458    class main
459    oneshot
460
461service racoon /system/bin/racoon
462    class main
463    socket racoon stream 600 system system
464    # IKE uses UDP port 500. Racoon will setuid to vpn after binding the port.
465    group vpn net_admin
466    disabled
467    oneshot
468
469service mtpd /system/bin/mtpd
470    class main
471    socket mtpd stream 600 system system
472    user vpn
473    group vpn net_admin net_raw
474    disabled
475    oneshot
476
477service keystore /system/bin/keystore /data/misc/keystore
478    class main
479    user keystore
480    group keystore
481    socket keystore stream 666
482
483service dumpstate /system/bin/dumpstate -s
484    class main
485    socket dumpstate stream 0660 shell log
486    disabled
487    oneshot
488