init.rc revision 8b0ec20d6f9636def6740085b203302c1680fa81 
1on early-init
2    start ueventd
3
4on init
5
6sysclktz 0
7
8loglevel 3
9
10# setup the global environment
11    export PATH /sbin:/system/sbin:/system/bin:/system/xbin
12    export LD_LIBRARY_PATH /system/lib
13    export ANDROID_BOOTLOGO 1
14    export ANDROID_ROOT /system
15    export ANDROID_ASSETS /system/app
16    export ANDROID_DATA /data
17    export EXTERNAL_STORAGE /mnt/sdcard
18    export ASEC_MOUNTPOINT /mnt/asec
19    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
20
21# Backward compatibility
22    symlink /system/etc /etc
23    symlink /sys/kernel/debug /d
24
25# create mountpoints
26    mkdir /mnt 0775 root system
27    mkdir /mnt/sdcard 0000 system system
28
29# Create cgroup mount point for cpu accounting
30    mkdir /acct
31    mount cgroup none /acct cpuacct
32    mkdir /acct/uid
33
34# Backwards Compat - XXX: Going away in G*
35    symlink /mnt/sdcard /sdcard
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    mount rootfs rootfs / ro remount
57
58    write /proc/sys/kernel/panic_on_oops 1
59    write /proc/sys/kernel/hung_task_timeout_secs 0
60    write /proc/cpu/alignment 4
61    write /proc/sys/kernel/sched_latency_ns 10000000
62    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
63    write /proc/sys/kernel/sched_compat_yield 1
64    write /proc/sys/kernel/sched_child_runs_first 0
65
66# Create cgroup mount points for process groups
67    mkdir /dev/cpuctl
68    mount cgroup none /dev/cpuctl cpu
69    chown system system /dev/cpuctl
70    chown system system /dev/cpuctl/tasks
71    chmod 0777 /dev/cpuctl/tasks
72    write /dev/cpuctl/cpu.shares 1024
73
74    mkdir /dev/cpuctl/fg_boost
75    chown system system /dev/cpuctl/fg_boost/tasks
76    chmod 0777 /dev/cpuctl/fg_boost/tasks
77    write /dev/cpuctl/fg_boost/cpu.shares 1024
78
79    mkdir /dev/cpuctl/bg_non_interactive
80    chown system system /dev/cpuctl/bg_non_interactive/tasks
81    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
82    # 5.0 %
83    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
84
85on fs
86# mount mtd partitions
87    # Mount /system rw first to give the filesystem a chance to save a checkpoint
88    mount yaffs2 mtd@system /system
89    mount yaffs2 mtd@system /system ro remount
90    mount yaffs2 mtd@userdata /data nosuid nodev
91    mount yaffs2 mtd@cache /cache nosuid nodev
92
93on post-fs
94    # We chown/chmod /data again so because mount is run as root + defaults
95    chown system system /data
96    chmod 0771 /data
97
98    # Create dump dir and collect dumps.
99    # Do this before we mount cache so eventually we can use cache for
100    # storing dumps on platforms which do not have a dedicated dump partition.
101   
102    mkdir /data/dontpanic
103    chown root log /data/dontpanic
104    chmod 0750 /data/dontpanic
105
106    # Collect apanic data, free resources and re-arm trigger
107    copy /proc/apanic_console /data/dontpanic/apanic_console
108    chown root log /data/dontpanic/apanic_console
109    chmod 0640 /data/dontpanic/apanic_console
110
111    copy /proc/apanic_threads /data/dontpanic/apanic_threads
112    chown root log /data/dontpanic/apanic_threads
113    chmod 0640 /data/dontpanic/apanic_threads
114
115    write /proc/apanic_console 1
116
117    # Same reason as /data above
118    chown system cache /cache
119    chmod 0770 /cache
120
121    # This may have been created by the recovery system with odd permissions
122    chown system cache /cache/recovery
123    chmod 0770 /cache/recovery
124
125    #change permissions on vmallocinfo so we can grab it from bugreports
126    chown root log /proc/vmallocinfo
127    chmod 0440 /proc/vmallocinfo
128
129    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
130    chown root system /proc/kmsg
131    chmod 0440 /proc/kmsg
132    chown root system /proc/sysrq-trigger
133    chmod 0220 /proc/sysrq-trigger
134
135# create basic filesystem structure
136    mkdir /data/misc 01771 system misc
137    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
138    mkdir /data/misc/bluetooth 0770 system system
139    mkdir /data/misc/keystore 0700 keystore keystore
140    mkdir /data/misc/vpn 0770 system system
141    mkdir /data/misc/systemkeys 0700 system system
142    mkdir /data/misc/vpn/profiles 0770 system system
143    # give system access to wpa_supplicant.conf for backup and restore
144    mkdir /data/misc/wifi 0770 wifi wifi
145    chmod 0770 /data/misc/wifi
146    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
147    mkdir /data/local 0771 shell shell
148    mkdir /data/local/tmp 0771 shell shell
149    mkdir /data/data 0771 system system
150    mkdir /data/app-private 0771 system system
151    mkdir /data/app 0771 system system
152    mkdir /data/property 0700 root root
153
154    # create dalvik-cache and double-check the perms
155    mkdir /data/dalvik-cache 0771 system system
156    chown system system /data/dalvik-cache
157    chmod 0771 /data/dalvik-cache
158
159    # create the lost+found directories, so as to enforce our permissions
160    mkdir /data/lost+found 0770
161    mkdir /cache/lost+found 0770
162
163    # double check the perms, in case lost+found already exists, and set owner
164    chown root root /data/lost+found
165    chmod 0770 /data/lost+found
166    chown root root /cache/lost+found
167    chmod 0770 /cache/lost+found
168
169on boot
170# basic network init
171    ifup lo
172    hostname localhost
173    domainname localdomain
174
175# set RLIMIT_NICE to allow priorities from 19 to -20
176    setrlimit 13 40 40
177
178# Define the oom_adj values for the classes of processes that can be
179# killed by the kernel.  These are used in ActivityManagerService.
180    setprop ro.FOREGROUND_APP_ADJ 0
181    setprop ro.VISIBLE_APP_ADJ 1
182    setprop ro.PERCEPTIBLE_APP_ADJ 2
183    setprop ro.HEAVY_WEIGHT_APP_ADJ 3
184    setprop ro.SECONDARY_SERVER_ADJ 4
185    setprop ro.BACKUP_APP_ADJ 5
186    setprop ro.HOME_APP_ADJ 6
187    setprop ro.HIDDEN_APP_MIN_ADJ 7
188    setprop ro.EMPTY_APP_ADJ 15
189
190# Define the memory thresholds at which the above process classes will
191# be killed.  These numbers are in pages (4k).
192    setprop ro.FOREGROUND_APP_MEM 2048
193    setprop ro.VISIBLE_APP_MEM 3072
194    setprop ro.PERCEPTIBLE_APP_MEM 4096
195    setprop ro.HEAVY_WEIGHT_APP_MEM 4096
196    setprop ro.SECONDARY_SERVER_MEM 6144
197    setprop ro.BACKUP_APP_MEM 6144
198    setprop ro.HOME_APP_MEM 6144
199    setprop ro.HIDDEN_APP_MEM 7168
200    setprop ro.EMPTY_APP_MEM 8192
201
202# Write value must be consistent with the above properties.
203# Note that the driver only supports 6 slots, so we have combined some of
204# the classes into the same memory level; the associated processes of higher
205# classes will still be killed first.
206    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,4,7,15
207
208    write /proc/sys/vm/overcommit_memory 1
209    write /proc/sys/vm/min_free_order_shift 4
210    write /sys/module/lowmemorykiller/parameters/minfree 2048,3072,4096,6144,7168,8192
211
212    # Set init its forked children's oom_adj.
213    write /proc/1/oom_adj -16
214
215    # Tweak background writeout
216    write /proc/sys/vm/dirty_expire_centisecs 200
217    write /proc/sys/vm/dirty_background_ratio  5
218
219    # Permissions for System Server and daemons.
220    chown radio system /sys/android_power/state
221    chown radio system /sys/android_power/request_state
222    chown radio system /sys/android_power/acquire_full_wake_lock
223    chown radio system /sys/android_power/acquire_partial_wake_lock
224    chown radio system /sys/android_power/release_wake_lock
225    chown radio system /sys/power/state
226    chown radio system /sys/power/wake_lock
227    chown radio system /sys/power/wake_unlock
228    chmod 0660 /sys/power/state
229    chmod 0660 /sys/power/wake_lock
230    chmod 0660 /sys/power/wake_unlock
231    chown system system /sys/class/timed_output/vibrator/enable
232    chown system system /sys/class/leds/keyboard-backlight/brightness
233    chown system system /sys/class/leds/lcd-backlight/brightness
234    chown system system /sys/class/leds/button-backlight/brightness
235    chown system system /sys/class/leds/jogball-backlight/brightness
236    chown system system /sys/class/leds/red/brightness
237    chown system system /sys/class/leds/green/brightness
238    chown system system /sys/class/leds/blue/brightness
239    chown system system /sys/class/leds/red/device/grpfreq
240    chown system system /sys/class/leds/red/device/grppwm
241    chown system system /sys/class/leds/red/device/blink
242    chown system system /sys/class/leds/red/brightness
243    chown system system /sys/class/leds/green/brightness
244    chown system system /sys/class/leds/blue/brightness
245    chown system system /sys/class/leds/red/device/grpfreq
246    chown system system /sys/class/leds/red/device/grppwm
247    chown system system /sys/class/leds/red/device/blink
248    chown system system /sys/class/timed_output/vibrator/enable
249    chown system system /sys/module/sco/parameters/disable_esco
250    chown system system /sys/kernel/ipv4/tcp_wmem_min
251    chown system system /sys/kernel/ipv4/tcp_wmem_def
252    chown system system /sys/kernel/ipv4/tcp_wmem_max
253    chown system system /sys/kernel/ipv4/tcp_rmem_min
254    chown system system /sys/kernel/ipv4/tcp_rmem_def
255    chown system system /sys/kernel/ipv4/tcp_rmem_max
256    chown root radio /proc/cmdline
257
258# Define TCP buffer sizes for various networks
259#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
260    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
261    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
262    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
263    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
264    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
265
266    class_start default
267
268## Daemon processes to be run by init.
269##
270service console /system/bin/sh
271    console
272
273service ueventd /sbin/ueventd
274    critical
275
276# adbd is controlled by the persist.service.adb.enable system property
277service adbd /sbin/adbd
278    disabled
279
280# adbd on at boot in emulator
281on property:ro.kernel.qemu=1
282    start adbd
283
284on property:persist.service.adb.enable=1
285    start adbd
286
287on property:persist.service.adb.enable=0
288    stop adbd
289
290service servicemanager /system/bin/servicemanager
291    user system
292    critical
293    onrestart restart zygote
294    onrestart restart media
295
296service vold /system/bin/vold
297    socket vold stream 0660 root mount
298    ioprio be 2
299
300service netd /system/bin/netd
301    socket netd stream 0660 root system
302
303service debuggerd /system/bin/debuggerd
304
305service ril-daemon /system/bin/rild
306    socket rild stream 660 root radio
307    socket rild-debug stream 660 radio system
308    user root
309    group radio cache inet misc audio
310
311service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
312    socket zygote stream 666
313    onrestart write /sys/android_power/request_state wake
314    onrestart write /sys/power/state on
315    onrestart restart media
316
317service media /system/bin/mediaserver
318    user media
319    group system audio camera graphics inet net_bt net_bt_admin net_raw
320    ioprio rt 4
321
322service bootanim /system/bin/bootanimation
323    user graphics
324    group graphics
325    disabled
326    oneshot
327
328service dbus /system/bin/dbus-daemon --system --nofork
329    socket dbus stream 660 bluetooth bluetooth
330    user bluetooth
331    group bluetooth net_bt_admin
332
333service bluetoothd /system/bin/bluetoothd -n
334    socket bluetooth stream 660 bluetooth bluetooth
335    socket dbus_bluetooth stream 660 bluetooth bluetooth
336    # init.rc does not yet support applying capabilities, so run as root and
337    # let bluetoothd drop uid to bluetooth with the right linux capabilities
338    group bluetooth net_bt_admin misc
339    disabled
340
341service hfag /system/bin/sdptool add --channel=10 HFAG
342    user bluetooth
343    group bluetooth net_bt_admin
344    disabled
345    oneshot
346
347service hsag /system/bin/sdptool add --channel=11 HSAG
348    user bluetooth
349    group bluetooth net_bt_admin
350    disabled
351    oneshot
352
353service opush /system/bin/sdptool add --channel=12 OPUSH
354    user bluetooth
355    group bluetooth net_bt_admin
356    disabled
357    oneshot
358
359service pbap /system/bin/sdptool add --channel=19 PBAP
360    user bluetooth
361    group bluetooth net_bt_admin
362    disabled
363    oneshot
364
365service installd /system/bin/installd
366    socket installd stream 600 system system
367
368service flash_recovery /system/etc/install-recovery.sh
369    oneshot
370
371service racoon /system/bin/racoon
372    socket racoon stream 600 system system
373    # racoon will setuid to vpn after getting necessary resources.
374    group net_admin
375    disabled
376    oneshot
377
378service mtpd /system/bin/mtpd
379    socket mtpd stream 600 system system
380    user vpn
381    group vpn net_admin net_raw
382    disabled
383    oneshot
384
385service keystore /system/bin/keystore /data/misc/keystore
386    user keystore
387    group keystore
388    socket keystore stream 666
389
390service dumpstate /system/bin/dumpstate -s
391    socket dumpstate stream 0660 shell log
392    disabled
393    oneshot
394