init.rc revision 535164e9d9649a83d4d63829f3389f2bea339fe1 
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
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/keychain 0771 keychain keychain
154    mkdir /data/misc/vpn 0770 system system
155    mkdir /data/misc/systemkeys 0700 system system
156    mkdir /data/misc/vpn/profiles 0770 system system
157    # give system access to wpa_supplicant.conf for backup and restore
158    mkdir /data/misc/wifi 0770 wifi wifi
159    chmod 0770 /data/misc/wifi
160    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
161    mkdir /data/local 0771 shell shell
162    mkdir /data/local/tmp 0771 shell shell
163    mkdir /data/data 0771 system system
164    mkdir /data/app-private 0771 system system
165    mkdir /data/app 0771 system system
166    mkdir /data/property 0700 root root
167
168    # create dalvik-cache and double-check the perms
169    mkdir /data/dalvik-cache 0771 system system
170    chown system system /data/dalvik-cache
171    chmod 0771 /data/dalvik-cache
172
173    # create the lost+found directories, so as to enforce our permissions
174    mkdir /data/lost+found 0770
175
176    # double check the perms, in case lost+found already exists, and set owner
177    chown root root /data/lost+found
178    chmod 0770 /data/lost+found
179
180    # create directory for DRM plug-ins
181    mkdir /data/drm 0774 drm drm
182
183    # If there is no fs-post-data action in the init.<device>.rc file, you
184    # must uncomment this line, otherwise encrypted filesystems
185    # won't work.
186    # Set indication (checked by vold) that we have finished this action
187    #setprop vold.post_fs_data_done 1
188
189    chown system system /sys/class/android_usb/android0/f_mass_storage/lun/file
190    chmod 0660 /sys/class/android_usb/android0/f_mass_storage/lun/file
191
192on boot
193# basic network init
194    ifup lo
195    hostname localhost
196    domainname localdomain
197
198# set RLIMIT_NICE to allow priorities from 19 to -20
199    setrlimit 13 40 40
200
201# Define the oom_adj values for the classes of processes that can be
202# killed by the kernel.  These are used in ActivityManagerService.
203    setprop ro.FOREGROUND_APP_ADJ 0
204    setprop ro.VISIBLE_APP_ADJ 1
205    setprop ro.PERCEPTIBLE_APP_ADJ 2
206    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
207    setprop ro.SECONDARY_SERVER_ADJ 4
208    setprop ro.BACKUP_APP_ADJ 5
209    setprop ro.HOME_APP_ADJ 6
210    setprop ro.HIDDEN_APP_MIN_ADJ 7
211    setprop ro.EMPTY_APP_ADJ 15
212
213# Define the memory thresholds at which the above process classes will
214# be killed.  These numbers are in pages (4k).
215    # These are currently tuned for tablets with approx 1GB RAM.
216    setprop ro.FOREGROUND_APP_MEM 8192
217    setprop ro.VISIBLE_APP_MEM 10240
218    setprop ro.PERCEPTIBLE_APP_MEM 12288
219    setprop ro.HEAVY_WEIGHT_APP_MEM 12288
220    setprop ro.SECONDARY_SERVER_MEM 14336
221    setprop ro.BACKUP_APP_MEM 14336
222    setprop ro.HOME_APP_MEM 14336
223    setprop ro.HIDDEN_APP_MEM 16384
224    setprop ro.EMPTY_APP_MEM 20480
225
226    # Old values for phones.  Should probably be adjusted up for the next
227    # phone version.
228    #setprop ro.FOREGROUND_APP_MEM 2048
229    #setprop ro.VISIBLE_APP_MEM 3072
230    #setprop ro.PERCEPTIBLE_APP_MEM 4096
231    #setprop ro.HEAVY_WEIGHT_APP_MEM 4096
232    #setprop ro.SECONDARY_SERVER_MEM 6144
233    #setprop ro.BACKUP_APP_MEM 6144
234    #setprop ro.HOME_APP_MEM 6144
235    #setprop ro.HIDDEN_APP_MEM 7168
236    #setprop ro.EMPTY_APP_MEM 8192
237
238# Write value must be consistent with the above properties.
239# Note that the driver only supports 6 slots, so we have combined some of
240# the classes into the same memory level; the associated processes of higher
241# classes will still be killed first.
242    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
243
244    write /proc/sys/vm/overcommit_memory 1
245    write /proc/sys/vm/min_free_order_shift 4
246    write /sys/module/lowmemorykiller/parameters/minfree 8192,10240,12288,14336,16384,20480
247
248    # Set init its forked children's oom_adj.
249    write /proc/1/oom_adj -16
250
251    # Tweak background writeout
252    write /proc/sys/vm/dirty_expire_centisecs 200
253    write /proc/sys/vm/dirty_background_ratio  5
254
255    # Permissions for System Server and daemons.
256    chown radio system /sys/android_power/state
257    chown radio system /sys/android_power/request_state
258    chown radio system /sys/android_power/acquire_full_wake_lock
259    chown radio system /sys/android_power/acquire_partial_wake_lock
260    chown radio system /sys/android_power/release_wake_lock
261    chown radio system /sys/power/state
262    chown radio system /sys/power/wake_lock
263    chown radio system /sys/power/wake_unlock
264    chmod 0660 /sys/power/state
265    chmod 0660 /sys/power/wake_lock
266    chmod 0660 /sys/power/wake_unlock
267    chown system system /sys/class/timed_output/vibrator/enable
268    chown system system /sys/class/leds/keyboard-backlight/brightness
269    chown system system /sys/class/leds/lcd-backlight/brightness
270    chown system system /sys/class/leds/button-backlight/brightness
271    chown system system /sys/class/leds/jogball-backlight/brightness
272    chown system system /sys/class/leds/red/brightness
273    chown system system /sys/class/leds/green/brightness
274    chown system system /sys/class/leds/blue/brightness
275    chown system system /sys/class/leds/red/device/grpfreq
276    chown system system /sys/class/leds/red/device/grppwm
277    chown system system /sys/class/leds/red/device/blink
278    chown system system /sys/class/leds/red/brightness
279    chown system system /sys/class/leds/green/brightness
280    chown system system /sys/class/leds/blue/brightness
281    chown system system /sys/class/leds/red/device/grpfreq
282    chown system system /sys/class/leds/red/device/grppwm
283    chown system system /sys/class/leds/red/device/blink
284    chown system system /sys/class/timed_output/vibrator/enable
285    chown system system /sys/module/sco/parameters/disable_esco
286    chown system system /sys/kernel/ipv4/tcp_wmem_min
287    chown system system /sys/kernel/ipv4/tcp_wmem_def
288    chown system system /sys/kernel/ipv4/tcp_wmem_max
289    chown system system /sys/kernel/ipv4/tcp_rmem_min
290    chown system system /sys/kernel/ipv4/tcp_rmem_def
291    chown system system /sys/kernel/ipv4/tcp_rmem_max
292    chown root radio /proc/cmdline
293
294# Define TCP buffer sizes for various networks
295#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
296    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
297    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
298    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
299    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
300    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
301
302# Set this property so surfaceflinger is not started by system_init
303    setprop system_init.startsurfaceflinger 0
304
305    class_start core
306    class_start main
307
308on nonencrypted
309    class_start late_start
310
311on property:vold.decrypt=trigger_reset_main
312    class_reset main
313
314on property:vold.decrypt=trigger_load_persist_props
315    load_persist_props
316
317on property:vold.decrypt=trigger_post_fs_data
318    trigger post-fs-data
319
320on property:vold.decrypt=trigger_restart_min_framework
321    class_start main
322
323on property:vold.decrypt=trigger_restart_framework
324    class_start main
325    class_start late_start
326
327on property:vold.decrypt=trigger_shutdown_framework
328    class_reset late_start
329    class_reset main
330
331# USB accessory configuration
332on property:sys.usb.config=accessory
333    write /sys/class/android_usb/android0/enable 0
334    write /sys/class/android_usb/android0/idVendor 18d1
335    write /sys/class/android_usb/android0/idProduct 2d00
336    write /sys/class/android_usb/android0/functions $sys.usb.config
337    write /sys/class/android_usb/android0/enable 1
338    setprop sys.usb.state $sys.usb.config
339
340# USB accessory configuration, with adb
341on property:sys.usb.config=accessory,adb
342    write /sys/class/android_usb/android0/enable 0
343    write /sys/class/android_usb/android0/idVendor 18d1
344    write /sys/class/android_usb/android0/idProduct 2d01
345    write /sys/class/android_usb/android0/functions $sys.usb.config
346    write /sys/class/android_usb/android0/enable 1
347    start adbd
348    setprop sys.usb.state $sys.usb.config
349
350on property:persist.sys.usb.config=*
351    setprop sys.usb.config $persist.sys.usb.config
352
353## Daemon processes to be run by init.
354##
355service ueventd /sbin/ueventd
356    class core
357    critical
358
359service console /system/bin/sh
360    class core
361    console
362    disabled
363    user shell
364    group log
365
366on property:ro.debuggable=1
367    start console
368
369# adbd is controlled via property triggers in init.<platform>.usb.rc
370service adbd /sbin/adbd
371    class core
372    disabled
373
374# adbd on at boot in emulator
375on property:ro.kernel.qemu=1
376    start adbd
377
378# This property trigger has added to imitiate the previous behavior of "adb root".
379# The adb gadget driver used to reset the USB bus when the adbd daemon exited,
380# and the host side adb relied on this behavior to force it to reconnect with the
381# new adbd instance after init relaunches it. So now we force the USB bus to reset
382# here when adbd sets the service.adb.root property to 1.  We also restart adbd here
383# rather than waiting for init to notice its death and restarting it so the timing
384# of USB resetting and adb restarting more closely matches the previous behavior.
385on property:service.adb.root=1
386    write /sys/class/android_usb/android0/enable 0
387    restart adbd
388    write /sys/class/android_usb/android0/enable 1
389
390service servicemanager /system/bin/servicemanager
391    class core
392    user system
393    group system
394    critical
395    onrestart restart zygote
396    onrestart restart media
397
398service vold /system/bin/vold
399    class core
400    socket vold stream 0660 root mount
401    ioprio be 2
402
403service netd /system/bin/netd
404    class main
405    socket netd stream 0660 root system
406    socket dnsproxyd stream 0660 root inet
407
408service debuggerd /system/bin/debuggerd
409    class main
410
411service ril-daemon /system/bin/rild
412    class late_start
413    socket rild stream 660 root radio
414    socket rild-debug stream 660 radio system
415    user root
416    group radio cache inet misc audio sdcard_rw
417
418service surfaceflinger /system/bin/surfaceflinger
419    class main
420    user system
421    group graphics
422    onrestart restart zygote
423
424service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
425    class main
426    socket zygote stream 666
427    onrestart write /sys/android_power/request_state wake
428    onrestart write /sys/power/state on
429    onrestart restart surfaceflinger
430    onrestart restart media
431    onrestart restart netd
432
433service drm /system/bin/drmserver
434    class main
435    user drm
436    group system inet
437
438service media /system/bin/mediaserver
439    class main
440    user media
441    group audio camera inet net_bt net_bt_admin
442    ioprio rt 4
443
444service bootanim /system/bin/bootanimation
445    class main
446    user graphics
447    group graphics
448    disabled
449    oneshot
450
451service dbus /system/bin/dbus-daemon --system --nofork
452    class main
453    socket dbus stream 660 bluetooth bluetooth
454    user bluetooth
455    group bluetooth net_bt_admin
456
457service bluetoothd /system/bin/bluetoothd -n
458    class main
459    socket bluetooth stream 660 bluetooth bluetooth
460    socket dbus_bluetooth stream 660 bluetooth bluetooth
461    # init.rc does not yet support applying capabilities, so run as root and
462    # let bluetoothd drop uid to bluetooth with the right linux capabilities
463    group bluetooth net_bt_admin misc
464    disabled
465
466service installd /system/bin/installd
467    class main
468    socket installd stream 600 system system
469
470service flash_recovery /system/etc/install-recovery.sh
471    class main
472    oneshot
473
474service racoon /system/bin/racoon
475    class main
476    socket racoon stream 600 system system
477    # racoon will setuid to vpn after getting necessary resources.
478    group net_admin
479    disabled
480    oneshot
481
482service mtpd /system/bin/mtpd
483    class main
484    socket mtpd stream 600 system system
485    user vpn
486    group vpn net_admin net_raw
487    disabled
488    oneshot
489
490service keystore /system/bin/keystore /data/misc/keystore
491    class main
492    user keystore
493    group keystore
494    socket keystore stream 666
495
496service dumpstate /system/bin/dumpstate -s
497    class main
498    socket dumpstate stream 0660 shell log
499    disabled
500    oneshot
501