init.rc revision 04e5232ac2b3fc87596c6d82c07c667e52e2d7c2 
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    mkdir /data/drm/plugins 0774 drm drm
182    mkdir /data/drm/plugins/native 0774 drm drm
183
184    # If there is no fs-post-data action in the init.<device>.rc file, you
185    # must uncomment this line, otherwise encrypted filesystems
186    # won't work.
187    # Set indication (checked by vold) that we have finished this action
188    #setprop vold.post_fs_data_done 1
189
190on boot
191# basic network init
192    ifup lo
193    hostname localhost
194    domainname localdomain
195
196# set RLIMIT_NICE to allow priorities from 19 to -20
197    setrlimit 13 40 40
198
199# Define the oom_adj values for the classes of processes that can be
200# killed by the kernel.  These are used in ActivityManagerService.
201    setprop ro.FOREGROUND_APP_ADJ 0
202    setprop ro.VISIBLE_APP_ADJ 1
203    setprop ro.PERCEPTIBLE_APP_ADJ 2
204    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
205    setprop ro.SECONDARY_SERVER_ADJ 4
206    setprop ro.BACKUP_APP_ADJ 5
207    setprop ro.HOME_APP_ADJ 6
208    setprop ro.HIDDEN_APP_MIN_ADJ 7
209    setprop ro.EMPTY_APP_ADJ 15
210
211# Define the memory thresholds at which the above process classes will
212# be killed.  These numbers are in pages (4k).
213    setprop ro.FOREGROUND_APP_MEM 2048
214    setprop ro.VISIBLE_APP_MEM 3072
215    setprop ro.PERCEPTIBLE_APP_MEM 4096
216    setprop ro.HEAVY_WEIGHT_APP_MEM 4096
217    setprop ro.SECONDARY_SERVER_MEM 6144
218    setprop ro.BACKUP_APP_MEM 6144
219    setprop ro.HOME_APP_MEM 6144
220    setprop ro.HIDDEN_APP_MEM 7168
221    setprop ro.EMPTY_APP_MEM 8192
222
223# Write value must be consistent with the above properties.
224# Note that the driver only supports 6 slots, so we have combined some of
225# the classes into the same memory level; the associated processes of higher
226# classes will still be killed first.
227    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
228
229    write /proc/sys/vm/overcommit_memory 1
230    write /proc/sys/vm/min_free_order_shift 4
231    write /sys/module/lowmemorykiller/parameters/minfree 2048,3072,4096,6144,7168,8192
232
233    # Set init its forked children's oom_adj.
234    write /proc/1/oom_adj -16
235
236    # Tweak background writeout
237    write /proc/sys/vm/dirty_expire_centisecs 200
238    write /proc/sys/vm/dirty_background_ratio  5
239
240    # Permissions for System Server and daemons.
241    chown radio system /sys/android_power/state
242    chown radio system /sys/android_power/request_state
243    chown radio system /sys/android_power/acquire_full_wake_lock
244    chown radio system /sys/android_power/acquire_partial_wake_lock
245    chown radio system /sys/android_power/release_wake_lock
246    chown radio system /sys/power/state
247    chown radio system /sys/power/wake_lock
248    chown radio system /sys/power/wake_unlock
249    chmod 0660 /sys/power/state
250    chmod 0660 /sys/power/wake_lock
251    chmod 0660 /sys/power/wake_unlock
252    chown system system /sys/class/timed_output/vibrator/enable
253    chown system system /sys/class/leds/keyboard-backlight/brightness
254    chown system system /sys/class/leds/lcd-backlight/brightness
255    chown system system /sys/class/leds/button-backlight/brightness
256    chown system system /sys/class/leds/jogball-backlight/brightness
257    chown system system /sys/class/leds/red/brightness
258    chown system system /sys/class/leds/green/brightness
259    chown system system /sys/class/leds/blue/brightness
260    chown system system /sys/class/leds/red/device/grpfreq
261    chown system system /sys/class/leds/red/device/grppwm
262    chown system system /sys/class/leds/red/device/blink
263    chown system system /sys/class/leds/red/brightness
264    chown system system /sys/class/leds/green/brightness
265    chown system system /sys/class/leds/blue/brightness
266    chown system system /sys/class/leds/red/device/grpfreq
267    chown system system /sys/class/leds/red/device/grppwm
268    chown system system /sys/class/leds/red/device/blink
269    chown system system /sys/class/timed_output/vibrator/enable
270    chown system system /sys/module/sco/parameters/disable_esco
271    chown system system /sys/kernel/ipv4/tcp_wmem_min
272    chown system system /sys/kernel/ipv4/tcp_wmem_def
273    chown system system /sys/kernel/ipv4/tcp_wmem_max
274    chown system system /sys/kernel/ipv4/tcp_rmem_min
275    chown system system /sys/kernel/ipv4/tcp_rmem_def
276    chown system system /sys/kernel/ipv4/tcp_rmem_max
277    chown root radio /proc/cmdline
278
279# Define TCP buffer sizes for various networks
280#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
281    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
282    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
283    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
284    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
285    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
286
287    class_start core
288    class_start main
289
290on nonencrypted
291    class_start late_start
292
293on property:vold.decrypt=trigger_reset_main
294    class_reset main
295
296on property:vold.decrypt=trigger_post_fs_data
297    trigger post-fs-data
298
299on property:vold.decrypt=trigger_restart_min_framework
300    class_start main
301
302on property:vold.decrypt=trigger_restart_framework
303    class_start main
304    class_start late_start
305
306on property:vold.decrypt=trigger_shutdown_framework
307    class_reset late_start
308    class_reset main
309
310## Daemon processes to be run by init.
311##
312service ueventd /sbin/ueventd
313    class core
314    critical
315
316service console /system/bin/sh
317    class core
318    console
319    disabled
320    user shell
321    group log
322
323on property:ro.debuggable=1
324    start console
325
326# adbd is controlled by the persist.service.adb.enable system property
327service adbd /sbin/adbd
328    class core
329    disabled
330
331# adbd on at boot in emulator
332on property:ro.kernel.qemu=1
333    start adbd
334
335on property:persist.service.adb.enable=1
336    start adbd
337
338on property:persist.service.adb.enable=0
339    stop adbd
340
341service servicemanager /system/bin/servicemanager
342    class core
343    user system
344    group system
345    critical
346    onrestart restart zygote
347    onrestart restart media
348
349service vold /system/bin/vold
350    class core
351    socket vold stream 0660 root mount
352    ioprio be 2
353
354service netd /system/bin/netd
355    class main
356    socket netd stream 0660 root system
357    socket dnsproxyd stream 0660 root inet
358
359service debuggerd /system/bin/debuggerd
360    class main
361
362service ril-daemon /system/bin/rild
363    class late_start
364    socket rild stream 660 root radio
365    socket rild-debug stream 660 radio system
366    user root
367    group radio cache inet misc audio sdcard_rw
368
369service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
370    class main
371    socket zygote stream 666
372    onrestart write /sys/android_power/request_state wake
373    onrestart write /sys/power/state on
374    onrestart restart media
375    onrestart restart netd
376
377service drm /system/bin/drmserver
378    class main
379    user drm
380    group inet
381
382service media /system/bin/mediaserver
383    class main
384    user media
385    group system audio camera graphics inet net_bt net_bt_admin net_raw
386    ioprio rt 4
387
388service bootanim /system/bin/bootanimation
389    class main
390    user graphics
391    group graphics
392    disabled
393    oneshot
394
395service dbus /system/bin/dbus-daemon --system --nofork
396    class main
397    socket dbus stream 660 bluetooth bluetooth
398    user bluetooth
399    group bluetooth net_bt_admin
400
401service bluetoothd /system/bin/bluetoothd -n
402    class main
403    socket bluetooth stream 660 bluetooth bluetooth
404    socket dbus_bluetooth stream 660 bluetooth bluetooth
405    # init.rc does not yet support applying capabilities, so run as root and
406    # let bluetoothd drop uid to bluetooth with the right linux capabilities
407    group bluetooth net_bt_admin misc
408    disabled
409
410service installd /system/bin/installd
411    class main
412    socket installd stream 600 system system
413
414service flash_recovery /system/etc/install-recovery.sh
415    class main
416    oneshot
417
418service racoon /system/bin/racoon
419    class main
420    socket racoon stream 600 system system
421    # racoon will setuid to vpn after getting necessary resources.
422    group net_admin
423    disabled
424    oneshot
425
426service mtpd /system/bin/mtpd
427    class main
428    socket mtpd stream 600 system system
429    user vpn
430    group vpn net_admin net_raw
431    disabled
432    oneshot
433
434service keystore /system/bin/keystore /data/misc/keystore
435    class main
436    user keystore
437    group keystore
438    socket keystore stream 666
439
440service dumpstate /system/bin/dumpstate -s
441    class main
442    socket dumpstate stream 0660 shell log
443    disabled
444    oneshot
445