init.rc revision b91bf4ba864a392412397913ee09a8c1f2e7cc87 
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 /mnt/sdcard
16    export ASEC_MOUNTPOINT /mnt/asec
17    export BOOTCLASSPATH /system/framework/core.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar
18
19# Backward compatibility
20    symlink /system/etc /etc
21    symlink /sys/kernel/debug /d
22
23# create mountpoints
24    mkdir /mnt 0775 root system
25    mkdir /mnt/sdcard 0000 system system
26
27# Backwards Compat - XXX: Going away in G*
28    symlink /mnt/sdcard /sdcard
29
30    mkdir /system
31    mkdir /data 0771 system system
32    mkdir /cache 0770 system cache
33    mkdir /config 0500 root root
34
35    # Directory for putting things only root should see.
36    mkdir /mnt/secure 0700 root root
37
38    # Directory for staging bindmounts
39    mkdir /mnt/secure/staging 0700 root root
40
41    # Directory-target for where the secure container
42    # imagefile directory will be bind-mounted
43    mkdir /mnt/secure/asec  0700 root root
44
45    # Secure container public mount points.
46    mkdir /mnt/asec  0700 root system
47    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
48
49    mount rootfs rootfs / ro remount
50
51    write /proc/sys/kernel/panic_on_oops 1
52    write /proc/sys/kernel/hung_task_timeout_secs 0
53    write /proc/cpu/alignment 4
54    write /proc/sys/kernel/sched_latency_ns 10000000
55    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
56    write /proc/sys/kernel/sched_compat_yield 1
57    write /proc/sys/kernel/sched_child_runs_first 0
58
59# Create cgroup mount points for process groups
60    mkdir /dev/cpuctl
61    mount cgroup none /dev/cpuctl cpu
62    chown system system /dev/cpuctl
63    chown system system /dev/cpuctl/tasks
64    chmod 0777 /dev/cpuctl/tasks
65    write /dev/cpuctl/cpu.shares 1024
66
67    mkdir /dev/cpuctl/fg_boost
68    chown system system /dev/cpuctl/fg_boost/tasks
69    chmod 0777 /dev/cpuctl/fg_boost/tasks
70    write /dev/cpuctl/fg_boost/cpu.shares 1024
71
72    mkdir /dev/cpuctl/bg_non_interactive
73    chown system system /dev/cpuctl/bg_non_interactive/tasks
74    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
75    # 5.0 %
76    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
77
78# mount mtd partitions
79    # Mount /system rw first to give the filesystem a chance to save a checkpoint
80    mount yaffs2 mtd@system /system
81    mount yaffs2 mtd@system /system ro remount
82
83    # We chown/chmod /data again so because mount is run as root + defaults
84    mount yaffs2 mtd@userdata /data nosuid nodev
85    chown system system /data
86    chmod 0771 /data
87
88    # Create dump dir and collect dumps.
89    # Do this before we mount cache so eventually we can use cache for
90    # storing dumps on platforms which do not have a dedicated dump partition.
91   
92    mkdir /data/dontpanic
93    chown root log /data/dontpanic
94    chmod 0750 /data/dontpanic
95
96    # Collect apanic data, free resources and re-arm trigger
97    copy /proc/apanic_console /data/dontpanic/apanic_console
98    chown root log /data/dontpanic/apanic_console
99    chmod 0640 /data/dontpanic/apanic_console
100
101    copy /proc/apanic_threads /data/dontpanic/apanic_threads
102    chown root log /data/dontpanic/apanic_threads
103    chmod 0640 /data/dontpanic/apanic_threads
104
105    write /proc/apanic_console 1
106
107    # Same reason as /data above
108    mount yaffs2 mtd@cache /cache nosuid nodev
109    chown system cache /cache
110    chmod 0770 /cache
111
112    # This may have been created by the recovery system with odd permissions
113    chown system cache /cache/recovery
114    chmod 0770 /cache/recovery
115
116    #change permissions on vmallocinfo so we can grab it from bugreports
117    chown root log /proc/vmallocinfo
118    chmod 0440 /proc/vmallocinfo
119
120# create basic filesystem structure
121    mkdir /data/misc 01771 system misc
122    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
123    mkdir /data/misc/bluetooth 0770 system system
124    mkdir /data/misc/keystore 0700 keystore keystore
125    mkdir /data/misc/vpn 0770 system system
126    mkdir /data/misc/systemkeys 0700 system system
127    mkdir /data/misc/vpn/profiles 0770 system system
128    # give system access to wpa_supplicant.conf for backup and restore
129    mkdir /data/misc/wifi 0770 wifi wifi
130    chmod 0770 /data/misc/wifi
131    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
132    mkdir /data/local 0771 shell shell
133    mkdir /data/local/tmp 0771 shell shell
134    mkdir /data/data 0771 system system
135    mkdir /data/app-private 0771 system system
136    mkdir /data/app 0771 system system
137    mkdir /data/property 0700 root root
138
139    # STOPSHIP: Temporary Encrypted File Systems workaround
140    mkdir /data/secure 0771 system system
141    mkdir /data/secure/data 0771 system system
142    mkdir /data/secure/misc 01771 system misc
143    mkdir /data/securemisc/vpn 0770 system system
144    mkdir /data/secure/misc/vpn/profiles 0770 system system
145
146    # create dalvik-cache and double-check the perms
147    mkdir /data/dalvik-cache 0771 system system
148    chown system system /data/dalvik-cache
149    chmod 0771 /data/dalvik-cache
150
151    # create the lost+found directories, so as to enforce our permissions
152    mkdir /data/lost+found 0770
153    mkdir /cache/lost+found 0770
154
155    # double check the perms, in case lost+found already exists, and set owner
156    chown root root /data/lost+found
157    chmod 0770 /data/lost+found
158    chown root root /cache/lost+found
159    chmod 0770 /cache/lost+found
160
161on boot
162# basic network init
163    ifup lo
164    hostname localhost
165    domainname localdomain
166
167# set RLIMIT_NICE to allow priorities from 19 to -20
168    setrlimit 13 40 40
169
170# Define the oom_adj values for the classes of processes that can be
171# killed by the kernel.  These are used in ActivityManagerService.
172    setprop ro.FOREGROUND_APP_ADJ 0
173    setprop ro.VISIBLE_APP_ADJ 1
174    setprop ro.SECONDARY_SERVER_ADJ 2
175    setprop ro.BACKUP_APP_ADJ 2
176    setprop ro.HOME_APP_ADJ 4
177    setprop ro.HIDDEN_APP_MIN_ADJ 7
178    setprop ro.CONTENT_PROVIDER_ADJ 14
179    setprop ro.EMPTY_APP_ADJ 15
180
181# Define the memory thresholds at which the above process classes will
182# be killed.  These numbers are in pages (4k).
183    setprop ro.FOREGROUND_APP_MEM 1536
184    setprop ro.VISIBLE_APP_MEM 2048
185    setprop ro.SECONDARY_SERVER_MEM 4096
186    setprop ro.BACKUP_APP_MEM 4096
187    setprop ro.HOME_APP_MEM 4096
188    setprop ro.HIDDEN_APP_MEM 5120
189    setprop ro.CONTENT_PROVIDER_MEM 5632
190    setprop ro.EMPTY_APP_MEM 6144
191
192# Write value must be consistent with the above properties.
193# Note that the driver only supports 6 slots, so we have HOME_APP at the
194# same memory level as services.
195    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
196
197    write /proc/sys/vm/overcommit_memory 1
198    write /proc/sys/vm/min_free_order_shift 4
199    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
200
201    # Set init its forked children's oom_adj.
202    write /proc/1/oom_adj -16
203
204    # Tweak background writeout
205    write /proc/sys/vm/dirty_expire_centisecs 200
206    write /proc/sys/vm/dirty_background_ratio  5
207
208    # Permissions for System Server and daemons.
209    chown radio system /sys/android_power/state
210    chown radio system /sys/android_power/request_state
211    chown radio system /sys/android_power/acquire_full_wake_lock
212    chown radio system /sys/android_power/acquire_partial_wake_lock
213    chown radio system /sys/android_power/release_wake_lock
214    chown radio system /sys/power/state
215    chown radio system /sys/power/wake_lock
216    chown radio system /sys/power/wake_unlock
217    chmod 0660 /sys/power/state
218    chmod 0660 /sys/power/wake_lock
219    chmod 0660 /sys/power/wake_unlock
220    chown system system /sys/class/timed_output/vibrator/enable
221    chown system system /sys/class/leds/keyboard-backlight/brightness
222    chown system system /sys/class/leds/lcd-backlight/brightness
223    chown system system /sys/class/leds/button-backlight/brightness
224    chown system system /sys/class/leds/jogball-backlight/brightness
225    chown system system /sys/class/leds/red/brightness
226    chown system system /sys/class/leds/green/brightness
227    chown system system /sys/class/leds/blue/brightness
228    chown system system /sys/class/leds/red/device/grpfreq
229    chown system system /sys/class/leds/red/device/grppwm
230    chown system system /sys/class/leds/red/device/blink
231    chown system system /sys/class/leds/red/brightness
232    chown system system /sys/class/leds/green/brightness
233    chown system system /sys/class/leds/blue/brightness
234    chown system system /sys/class/leds/red/device/grpfreq
235    chown system system /sys/class/leds/red/device/grppwm
236    chown system system /sys/class/leds/red/device/blink
237    chown system system /sys/class/timed_output/vibrator/enable
238    chown system system /sys/module/sco/parameters/disable_esco
239    chown system system /sys/kernel/ipv4/tcp_wmem_min
240    chown system system /sys/kernel/ipv4/tcp_wmem_def
241    chown system system /sys/kernel/ipv4/tcp_wmem_max
242    chown system system /sys/kernel/ipv4/tcp_rmem_min
243    chown system system /sys/kernel/ipv4/tcp_rmem_def
244    chown system system /sys/kernel/ipv4/tcp_rmem_max
245    chown root radio /proc/cmdline
246
247# Define TCP buffer sizes for various networks
248#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
249    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
250    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
251    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
252    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
253    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
254
255    class_start default
256
257## Daemon processes to be run by init.
258##
259service console /system/bin/sh
260    console
261
262# adbd is controlled by the persist.service.adb.enable system property
263service adbd /sbin/adbd
264    disabled
265
266# adbd on at boot in emulator
267on property:ro.kernel.qemu=1
268    start adbd
269
270on property:persist.service.adb.enable=1
271    start adbd
272
273on property:persist.service.adb.enable=0
274    stop adbd
275
276service servicemanager /system/bin/servicemanager
277    user system
278    critical
279    onrestart restart zygote
280    onrestart restart media
281
282service vold /system/bin/vold
283    socket vold stream 0660 root mount
284    ioprio be 2
285
286service netd /system/bin/netd
287    socket netd stream 0660 root system
288
289service debuggerd /system/bin/debuggerd
290
291service ril-daemon /system/bin/rild
292    socket rild stream 660 root radio
293    socket rild-debug stream 660 radio system
294    user root
295    group radio cache inet misc audio
296
297service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
298    socket zygote stream 666
299    onrestart write /sys/android_power/request_state wake
300    onrestart write /sys/power/state on
301    onrestart restart media
302
303service media /system/bin/mediaserver
304    user media
305    group system audio camera graphics inet net_bt net_bt_admin
306    ioprio rt 4
307
308service bootanim /system/bin/bootanimation
309    user graphics
310    group graphics
311    disabled
312    oneshot
313
314service dbus /system/bin/dbus-daemon --system --nofork
315    socket dbus stream 660 bluetooth bluetooth
316    user bluetooth
317    group bluetooth net_bt_admin
318
319service bluetoothd /system/bin/bluetoothd -n
320    socket bluetooth stream 660 bluetooth bluetooth
321    socket dbus_bluetooth stream 660 bluetooth bluetooth
322    # init.rc does not yet support applying capabilities, so run as root and
323    # let bluetoothd drop uid to bluetooth with the right linux capabilities
324    group bluetooth net_bt_admin misc
325    disabled
326
327service hfag /system/bin/sdptool add --channel=10 HFAG
328    user bluetooth
329    group bluetooth net_bt_admin
330    disabled
331    oneshot
332
333service hsag /system/bin/sdptool add --channel=11 HSAG
334    user bluetooth
335    group bluetooth net_bt_admin
336    disabled
337    oneshot
338
339service opush /system/bin/sdptool add --channel=12 OPUSH
340    user bluetooth
341    group bluetooth net_bt_admin
342    disabled
343    oneshot
344
345service pbap /system/bin/sdptool add --channel=19 PBAP
346    user bluetooth
347    group bluetooth net_bt_admin
348    disabled
349    oneshot
350
351service installd /system/bin/installd
352    socket installd stream 600 system system
353
354service flash_recovery /system/etc/install-recovery.sh
355    oneshot
356
357service racoon /system/bin/racoon
358    socket racoon stream 600 system system
359    # racoon will setuid to vpn after getting necessary resources.
360    group net_admin
361    disabled
362    oneshot
363
364service mtpd /system/bin/mtpd
365    socket mtpd stream 600 system system
366    user vpn
367    group vpn net_admin net_raw
368    disabled
369    oneshot
370
371service keystore /system/bin/keystore /data/misc/keystore
372    user keystore
373    group keystore
374    socket keystore stream 666
375
376service dumpstate /system/bin/dumpstate -s
377    socket dumpstate stream 0660 shell log
378    disabled
379    oneshot
380