init.rc revision 900570e2a833bde0683cce5254d9dc102509cabc 
1
2on init
3
4sysclktz 0
5
6loglevel 3
7
8# setup the global environment
9    export PATH /sbin:/system/sbin:/system/bin:/system/xbin
10    export LD_LIBRARY_PATH /system/lib
11    export ANDROID_BOOTLOGO 1
12    export ANDROID_ROOT /system
13    export ANDROID_ASSETS /system/app
14    export ANDROID_DATA /data
15    export EXTERNAL_STORAGE /sdcard
16    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
17
18# Backward compatibility
19    symlink /system/etc /etc
20    symlink /sys/kernel/debug /d
21
22# create mountpoints and mount tmpfs on sqlite_stmt_journals
23    mkdir /sdcard 0000 system system
24    mkdir /system
25    mkdir /data 0771 system system
26    mkdir /cache 0770 system cache
27    mkdir /config 0500 root root
28    mkdir /sqlite_stmt_journals 01777 root root
29    mount tmpfs tmpfs /sqlite_stmt_journals size=4m
30
31# create Android Secure External Cache mount tree
32    mkdir /asec  0500 system system
33    mount tmpfs tmpfs /asec mode=0700
34
35    mount rootfs rootfs / ro remount
36
37    write /proc/sys/kernel/panic_on_oops 1
38    write /proc/sys/kernel/hung_task_timeout_secs 0
39    write /proc/cpu/alignment 4
40    write /proc/sys/kernel/sched_latency_ns 10000000
41    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
42    write /proc/sys/kernel/sched_compat_yield 1
43    write /proc/sys/kernel/sched_child_runs_first 0
44
45# Create cgroup mount points for process groups
46    mkdir /dev/cpuctl
47    mount cgroup none /dev/cpuctl cpu
48    chown sytem system /dev/cpuctl
49    chown system system /dev/cpuctl/tasks
50    chmod 0777 /dev/cpuctl/tasks
51    write /dev/cpuctl/cpu.shares 1024
52
53    mkdir /dev/cpuctl/fg_boost
54    chown system system /dev/cpuctl/fg_boost/tasks
55    chmod 0777 /dev/cpuctl/fg_boost/tasks
56    write /dev/cpuctl/fg_boost/cpu.shares 1024
57
58    mkdir /dev/cpuctl/bg_non_interactive
59    chown system system /dev/cpuctl/bg_non_interactive/tasks
60    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
61    # 5.0 %
62    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
63
64# mount mtd partitions
65    # Mount /system rw first to give the filesystem a chance to save a checkpoint
66    mount yaffs2 mtd@system /system
67    mount yaffs2 mtd@system /system ro remount
68
69    # We chown/chmod /data again so because mount is run as root + defaults
70    mount yaffs2 mtd@userdata /data nosuid nodev
71    chown system system /data
72    chmod 0771 /data
73
74    # Create dump dir and collect dumps.
75    # Do this before we mount cache so eventually we can use cache for
76    # storing dumps on platforms which do not have a dedicated dump partition.
77   
78    mkdir /data/dontpanic
79    chown root log /data/dontpanic
80    chmod 0750 /data/dontpanic
81
82    # Collect apanic data, free resources and re-arm trigger
83    copy /proc/apanic_console /data/dontpanic/apanic_console
84    chown root log /data/dontpanic/apanic_console
85    chmod 0640 /data/dontpanic/apanic_console
86
87    copy /proc/apanic_threads /data/dontpanic/apanic_threads
88    chown root log /data/dontpanic/apanic_threads
89    chmod 0640 /data/dontpanic/apanic_threads
90
91    write /proc/apanic_console 1
92
93    # Same reason as /data above
94    mount yaffs2 mtd@cache /cache nosuid nodev
95    chown system cache /cache
96    chmod 0770 /cache
97
98    # This may have been created by the recovery system with odd permissions
99    chown system cache /cache/recovery
100    chmod 0770 /cache/recovery
101
102    #change permissions on vmallocinfo so we can grab it from bugreports
103    chown root log /proc/vmallocinfo
104    chmod 0440 /proc/vmallocinfo
105
106# create basic filesystem structure
107    mkdir /data/misc 01771 system misc
108    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
109    mkdir /data/misc/keystore 0700 keystore keystore
110    mkdir /data/misc/vpn 0770 system system
111    mkdir /data/misc/vpn/profiles 0770 system system
112    # give system access to wpa_supplicant.conf for backup and restore
113    mkdir /data/misc/wifi 0770 wifi wifi
114    chmod 0770 /data/misc/wifi
115    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
116    mkdir /data/local 0771 shell shell
117    mkdir /data/local/tmp 0771 shell shell
118    mkdir /data/data 0771 system system
119    mkdir /data/app-private 0771 system system
120    mkdir /data/app 0771 system system
121    mkdir /data/property 0700 root root
122
123    # STOPSHIP: Temporary Encrypted File Systems workaround
124    mkdir /data/secure 0771 system system
125    mkdir /data/secure/data 0771 system system
126    mkdir /data/secure/misc 01771 system misc
127    mkdir /data/securemisc/vpn 0770 system system
128    mkdir /data/secure/misc/vpn/profiles 0770 system system
129
130    # create dalvik-cache and double-check the perms
131    mkdir /data/dalvik-cache 0771 system system
132    chown system system /data/dalvik-cache
133    chmod 0771 /data/dalvik-cache
134
135    # create the lost+found directories, so as to enforce our permissions
136    mkdir /data/lost+found 0770
137    mkdir /cache/lost+found 0770
138
139    # double check the perms, in case lost+found already exists, and set owner
140    chown root root /data/lost+found
141    chmod 0770 /data/lost+found
142    chown root root /cache/lost+found
143    chmod 0770 /cache/lost+found
144
145on boot
146# basic network init
147    ifup lo
148    hostname localhost
149    domainname localdomain
150
151# set RLIMIT_NICE to allow priorities from 19 to -20
152    setrlimit 13 40 40
153
154# Define the oom_adj values for the classes of processes that can be
155# killed by the kernel.  These are used in ActivityManagerService.
156    setprop ro.FOREGROUND_APP_ADJ 0
157    setprop ro.VISIBLE_APP_ADJ 1
158    setprop ro.SECONDARY_SERVER_ADJ 2
159    setprop ro.BACKUP_APP_ADJ 2
160    setprop ro.HOME_APP_ADJ 4
161    setprop ro.HIDDEN_APP_MIN_ADJ 7
162    setprop ro.CONTENT_PROVIDER_ADJ 14
163    setprop ro.EMPTY_APP_ADJ 15
164
165# Define the memory thresholds at which the above process classes will
166# be killed.  These numbers are in pages (4k).
167    setprop ro.FOREGROUND_APP_MEM 1536
168    setprop ro.VISIBLE_APP_MEM 2048
169    setprop ro.SECONDARY_SERVER_MEM 4096
170    setprop ro.BACKUP_APP_MEM 4096
171    setprop ro.HOME_APP_MEM 4096
172    setprop ro.HIDDEN_APP_MEM 5120
173    setprop ro.CONTENT_PROVIDER_MEM 5632
174    setprop ro.EMPTY_APP_MEM 6144
175
176# Write value must be consistent with the above properties.
177# Note that the driver only supports 6 slots, so we have HOME_APP at the
178# same memory level as services.
179    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
180
181    write /proc/sys/vm/overcommit_memory 1
182    write /proc/sys/vm/min_free_order_shift 4
183    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
184
185    # Set init its forked children's oom_adj.
186    write /proc/1/oom_adj -16
187
188    # Tweak background writeout
189    write /proc/sys/vm/dirty_expire_centisecs 200
190    write /proc/sys/vm/dirty_background_ratio  5
191
192    # Permissions for System Server and daemons.
193    chown radio system /sys/android_power/state
194    chown radio system /sys/android_power/request_state
195    chown radio system /sys/android_power/acquire_full_wake_lock
196    chown radio system /sys/android_power/acquire_partial_wake_lock
197    chown radio system /sys/android_power/release_wake_lock
198    chown radio system /sys/power/state
199    chown radio system /sys/power/wake_lock
200    chown radio system /sys/power/wake_unlock
201    chmod 0660 /sys/power/state
202    chmod 0660 /sys/power/wake_lock
203    chmod 0660 /sys/power/wake_unlock
204    chown system system /sys/class/timed_output/vibrator/enable
205    chown system system /sys/class/leds/keyboard-backlight/brightness
206    chown system system /sys/class/leds/lcd-backlight/brightness
207    chown system system /sys/class/leds/button-backlight/brightness
208    chown system system /sys/class/leds/jogball-backlight/brightness
209    chown system system /sys/class/leds/red/brightness
210    chown system system /sys/class/leds/green/brightness
211    chown system system /sys/class/leds/blue/brightness
212    chown system system /sys/class/leds/red/device/grpfreq
213    chown system system /sys/class/leds/red/device/grppwm
214    chown system system /sys/class/leds/red/device/blink
215    chown system system /sys/class/leds/red/brightness
216    chown system system /sys/class/leds/green/brightness
217    chown system system /sys/class/leds/blue/brightness
218    chown system system /sys/class/leds/red/device/grpfreq
219    chown system system /sys/class/leds/red/device/grppwm
220    chown system system /sys/class/leds/red/device/blink
221    chown system system /sys/class/timed_output/vibrator/enable
222    chown system system /sys/module/sco/parameters/disable_esco
223    chown system system /sys/kernel/ipv4/tcp_wmem_min
224    chown system system /sys/kernel/ipv4/tcp_wmem_def
225    chown system system /sys/kernel/ipv4/tcp_wmem_max
226    chown system system /sys/kernel/ipv4/tcp_rmem_min
227    chown system system /sys/kernel/ipv4/tcp_rmem_def
228    chown system system /sys/kernel/ipv4/tcp_rmem_max
229    chown root radio /proc/cmdline
230
231# Define TCP buffer sizes for various networks
232#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
233    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
234    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
235    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
236    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
237    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
238
239    class_start default
240
241## Daemon processes to be run by init.
242##
243service console /system/bin/sh
244    console
245
246# adbd is controlled by the persist.service.adb.enable system property
247service adbd /sbin/adbd
248    disabled
249
250# adbd on at boot in emulator
251on property:ro.kernel.qemu=1
252    start adbd
253
254on property:persist.service.adb.enable=1
255    start adbd
256
257on property:persist.service.adb.enable=0
258    stop adbd
259
260service servicemanager /system/bin/servicemanager
261    user system
262    critical
263    onrestart restart zygote
264    onrestart restart media
265
266service vold /system/bin/vold
267    socket vold stream 0660 root mount
268
269service nexus /system/bin/nexus
270    socket nexus stream 0660 root system
271    disabled
272
273#service mountd /system/bin/mountd
274#    socket mountd stream 0660 root mount
275
276service debuggerd /system/bin/debuggerd
277
278service ril-daemon /system/bin/rild
279    socket rild stream 660 root radio
280    socket rild-debug stream 660 radio system
281    user root
282    group radio cache inet misc audio
283
284service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
285    socket zygote stream 666
286    onrestart write /sys/android_power/request_state wake
287    onrestart write /sys/power/state on
288    onrestart restart media
289
290service media /system/bin/mediaserver
291    user media
292    group system audio camera graphics inet net_bt net_bt_admin
293
294service bootsound /system/bin/playmp3
295    user media
296    group audio
297    oneshot
298
299service bootanim /system/bin/bootanimation
300    user graphics
301    group graphics
302    disabled
303    oneshot
304
305service dbus /system/bin/dbus-daemon --system --nofork
306    socket dbus stream 660 bluetooth bluetooth
307    user bluetooth
308    group bluetooth net_bt_admin
309
310service bluetoothd /system/bin/bluetoothd -n
311    socket bluetooth stream 660 bluetooth bluetooth
312    socket dbus_bluetooth stream 660 bluetooth bluetooth
313    # init.rc does not yet support applying capabilities, so run as root and
314    # let bluetoothd drop uid to bluetooth with the right linux capabilities
315    group bluetooth net_bt_admin misc
316    disabled
317
318service hfag /system/bin/sdptool add --channel=10 HFAG
319    user bluetooth
320    group bluetooth net_bt_admin
321    disabled
322    oneshot
323
324service hsag /system/bin/sdptool add --channel=11 HSAG
325    user bluetooth
326    group bluetooth net_bt_admin
327    disabled
328    oneshot
329
330service opush /system/bin/sdptool add --channel=12 OPUSH
331    user bluetooth
332    group bluetooth net_bt_admin
333    disabled
334    oneshot
335
336service pbap /system/bin/sdptool add --channel=19 PBAP
337    user bluetooth
338    group bluetooth net_bt_admin
339    disabled
340    oneshot
341
342service installd /system/bin/installd
343    socket installd stream 600 system system
344
345service flash_recovery /system/etc/install-recovery.sh
346    oneshot
347
348service racoon /system/bin/racoon
349    socket racoon stream 600 system system
350    # racoon will setuid to vpn after getting necessary resources.
351    group net_admin
352    disabled
353    oneshot
354
355service mtpd /system/bin/mtpd
356    socket mtpd stream 600 system system
357    user vpn
358    group vpn net_admin net_raw
359    disabled
360    oneshot
361
362service keystore /system/bin/keystore /data/misc/keystore
363    user keystore
364    group keystore
365    socket keystore stream 666
366
367service dumpstate /system/bin/dumpstate -s
368    socket dumpstate stream 0660 shell log
369    disabled
370    oneshot
371