init.rc revision bbf3ea46fb6df3b666cb66a09104d3a7694926dc 
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# Create cgroup mount point for cpu accounting
28    mkdir /acct
29    mount cgroup none /acct cpuacct
30    mkdir /acct/uid
31
32# Backwards Compat - XXX: Going away in G*
33    symlink /mnt/sdcard /sdcard
34
35    mkdir /system
36    mkdir /data 0771 system system
37    mkdir /cache 0770 system cache
38    mkdir /config 0500 root root
39
40    # Directory for putting things only root should see.
41    mkdir /mnt/secure 0700 root root
42
43    # Directory for staging bindmounts
44    mkdir /mnt/secure/staging 0700 root root
45
46    # Directory-target for where the secure container
47    # imagefile directory will be bind-mounted
48    mkdir /mnt/secure/asec  0700 root root
49
50    # Secure container public mount points.
51    mkdir /mnt/asec  0700 root system
52    mount tmpfs tmpfs /mnt/asec mode=0755,gid=1000
53
54    mount rootfs rootfs / ro remount
55
56    write /proc/sys/kernel/panic_on_oops 1
57    write /proc/sys/kernel/hung_task_timeout_secs 0
58    write /proc/cpu/alignment 4
59    write /proc/sys/kernel/sched_latency_ns 10000000
60    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
61    write /proc/sys/kernel/sched_compat_yield 1
62    write /proc/sys/kernel/sched_child_runs_first 0
63
64# Create cgroup mount points for process groups
65    mkdir /dev/cpuctl
66    mount cgroup none /dev/cpuctl cpu
67    chown system system /dev/cpuctl
68    chown system system /dev/cpuctl/tasks
69    chmod 0777 /dev/cpuctl/tasks
70    write /dev/cpuctl/cpu.shares 1024
71
72    mkdir /dev/cpuctl/fg_boost
73    chown system system /dev/cpuctl/fg_boost/tasks
74    chmod 0777 /dev/cpuctl/fg_boost/tasks
75    write /dev/cpuctl/fg_boost/cpu.shares 1024
76
77    mkdir /dev/cpuctl/bg_non_interactive
78    chown system system /dev/cpuctl/bg_non_interactive/tasks
79    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
80    # 5.0 %
81    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
82
83# mount mtd partitions
84    # Mount /system rw first to give the filesystem a chance to save a checkpoint
85    mount yaffs2 mtd@system /system
86    mount yaffs2 mtd@system /system ro remount
87
88    # We chown/chmod /data again so because mount is run as root + defaults
89    mount yaffs2 mtd@userdata /data nosuid nodev
90    chown system system /data
91    chmod 0771 /data
92
93    # Create dump dir and collect dumps.
94    # Do this before we mount cache so eventually we can use cache for
95    # storing dumps on platforms which do not have a dedicated dump partition.
96   
97    mkdir /data/dontpanic
98    chown root log /data/dontpanic
99    chmod 0750 /data/dontpanic
100
101    # Collect apanic data, free resources and re-arm trigger
102    copy /proc/apanic_console /data/dontpanic/apanic_console
103    chown root log /data/dontpanic/apanic_console
104    chmod 0640 /data/dontpanic/apanic_console
105
106    copy /proc/apanic_threads /data/dontpanic/apanic_threads
107    chown root log /data/dontpanic/apanic_threads
108    chmod 0640 /data/dontpanic/apanic_threads
109
110    write /proc/apanic_console 1
111
112    # Same reason as /data above
113    mount yaffs2 mtd@cache /cache nosuid nodev
114    chown system cache /cache
115    chmod 0770 /cache
116
117    # This may have been created by the recovery system with odd permissions
118    chown system cache /cache/recovery
119    chmod 0770 /cache/recovery
120
121    #change permissions on vmallocinfo so we can grab it from bugreports
122    chown root log /proc/vmallocinfo
123    chmod 0440 /proc/vmallocinfo
124
125# create basic filesystem structure
126    mkdir /data/misc 01771 system misc
127    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
128    mkdir /data/misc/bluetooth 0770 system system
129    mkdir /data/misc/keystore 0700 keystore keystore
130    mkdir /data/misc/vpn 0770 system system
131    mkdir /data/misc/systemkeys 0700 system system
132    mkdir /data/misc/vpn/profiles 0770 system system
133    # give system access to wpa_supplicant.conf for backup and restore
134    mkdir /data/misc/wifi 0770 wifi wifi
135    chmod 0770 /data/misc/wifi
136    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
137    mkdir /data/local 0771 shell shell
138    mkdir /data/local/tmp 0771 shell shell
139    mkdir /data/data 0771 system system
140    mkdir /data/app-private 0771 system system
141    mkdir /data/app 0771 system system
142    mkdir /data/property 0700 root root
143
144    # create dalvik-cache and double-check the perms
145    mkdir /data/dalvik-cache 0771 system system
146    chown system system /data/dalvik-cache
147    chmod 0771 /data/dalvik-cache
148
149    # create the lost+found directories, so as to enforce our permissions
150    mkdir /data/lost+found 0770
151    mkdir /cache/lost+found 0770
152
153    # double check the perms, in case lost+found already exists, and set owner
154    chown root root /data/lost+found
155    chmod 0770 /data/lost+found
156    chown root root /cache/lost+found
157    chmod 0770 /cache/lost+found
158
159on boot
160# basic network init
161    ifup lo
162    hostname localhost
163    domainname localdomain
164
165# set RLIMIT_NICE to allow priorities from 19 to -20
166    setrlimit 13 40 40
167
168# Define the oom_adj values for the classes of processes that can be
169# killed by the kernel.  These are used in ActivityManagerService.
170    setprop ro.FOREGROUND_APP_ADJ 0
171    setprop ro.VISIBLE_APP_ADJ 1
172    setprop ro.SECONDARY_SERVER_ADJ 2
173    setprop ro.BACKUP_APP_ADJ 2
174    setprop ro.HOME_APP_ADJ 4
175    setprop ro.HIDDEN_APP_MIN_ADJ 7
176    setprop ro.CONTENT_PROVIDER_ADJ 14
177    setprop ro.EMPTY_APP_ADJ 15
178
179# Define the memory thresholds at which the above process classes will
180# be killed.  These numbers are in pages (4k).
181    setprop ro.FOREGROUND_APP_MEM 1536
182    setprop ro.VISIBLE_APP_MEM 2048
183    setprop ro.SECONDARY_SERVER_MEM 4096
184    setprop ro.BACKUP_APP_MEM 4096
185    setprop ro.HOME_APP_MEM 4096
186    setprop ro.HIDDEN_APP_MEM 5120
187    setprop ro.CONTENT_PROVIDER_MEM 5632
188    setprop ro.EMPTY_APP_MEM 6144
189
190# Write value must be consistent with the above properties.
191# Note that the driver only supports 6 slots, so we have HOME_APP at the
192# same memory level as services.
193    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
194
195    write /proc/sys/vm/overcommit_memory 1
196    write /proc/sys/vm/min_free_order_shift 4
197    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
198
199    # Set init its forked children's oom_adj.
200    write /proc/1/oom_adj -16
201
202    # Tweak background writeout
203    write /proc/sys/vm/dirty_expire_centisecs 200
204    write /proc/sys/vm/dirty_background_ratio  5
205
206    # Permissions for System Server and daemons.
207    chown radio system /sys/android_power/state
208    chown radio system /sys/android_power/request_state
209    chown radio system /sys/android_power/acquire_full_wake_lock
210    chown radio system /sys/android_power/acquire_partial_wake_lock
211    chown radio system /sys/android_power/release_wake_lock
212    chown radio system /sys/power/state
213    chown radio system /sys/power/wake_lock
214    chown radio system /sys/power/wake_unlock
215    chmod 0660 /sys/power/state
216    chmod 0660 /sys/power/wake_lock
217    chmod 0660 /sys/power/wake_unlock
218    chown system system /sys/class/timed_output/vibrator/enable
219    chown system system /sys/class/leds/keyboard-backlight/brightness
220    chown system system /sys/class/leds/lcd-backlight/brightness
221    chown system system /sys/class/leds/button-backlight/brightness
222    chown system system /sys/class/leds/jogball-backlight/brightness
223    chown system system /sys/class/leds/red/brightness
224    chown system system /sys/class/leds/green/brightness
225    chown system system /sys/class/leds/blue/brightness
226    chown system system /sys/class/leds/red/device/grpfreq
227    chown system system /sys/class/leds/red/device/grppwm
228    chown system system /sys/class/leds/red/device/blink
229    chown system system /sys/class/leds/red/brightness
230    chown system system /sys/class/leds/green/brightness
231    chown system system /sys/class/leds/blue/brightness
232    chown system system /sys/class/leds/red/device/grpfreq
233    chown system system /sys/class/leds/red/device/grppwm
234    chown system system /sys/class/leds/red/device/blink
235    chown system system /sys/class/timed_output/vibrator/enable
236    chown system system /sys/module/sco/parameters/disable_esco
237    chown system system /sys/kernel/ipv4/tcp_wmem_min
238    chown system system /sys/kernel/ipv4/tcp_wmem_def
239    chown system system /sys/kernel/ipv4/tcp_wmem_max
240    chown system system /sys/kernel/ipv4/tcp_rmem_min
241    chown system system /sys/kernel/ipv4/tcp_rmem_def
242    chown system system /sys/kernel/ipv4/tcp_rmem_max
243    chown root radio /proc/cmdline
244
245# Define TCP buffer sizes for various networks
246#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
247    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
248    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
249    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
250    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
251    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
252
253    class_start default
254
255## Daemon processes to be run by init.
256##
257service console /system/bin/sh
258    console
259
260# adbd is controlled by the persist.service.adb.enable system property
261service adbd /sbin/adbd
262    disabled
263
264# adbd on at boot in emulator
265on property:ro.kernel.qemu=1
266    start adbd
267
268on property:persist.service.adb.enable=1
269    start adbd
270
271on property:persist.service.adb.enable=0
272    stop adbd
273
274service servicemanager /system/bin/servicemanager
275    user system
276    critical
277    onrestart restart zygote
278    onrestart restart media
279
280service vold /system/bin/vold
281    socket vold stream 0660 root mount
282    ioprio be 2
283
284service netd /system/bin/netd
285    socket netd stream 0660 root system
286
287service debuggerd /system/bin/debuggerd
288
289service ril-daemon /system/bin/rild
290    socket rild stream 660 root radio
291    socket rild-debug stream 660 radio system
292    user root
293    group radio cache inet misc audio
294
295service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
296    socket zygote stream 666
297    onrestart write /sys/android_power/request_state wake
298    onrestart write /sys/power/state on
299    onrestart restart media
300
301service media /system/bin/mediaserver
302    user media
303    group system audio camera graphics inet net_bt net_bt_admin
304    ioprio rt 4
305
306service bootanim /system/bin/bootanimation
307    user graphics
308    group graphics
309    disabled
310    oneshot
311
312service dbus /system/bin/dbus-daemon --system --nofork
313    socket dbus stream 660 bluetooth bluetooth
314    user bluetooth
315    group bluetooth net_bt_admin
316
317service bluetoothd /system/bin/bluetoothd -n
318    socket bluetooth stream 660 bluetooth bluetooth
319    socket dbus_bluetooth stream 660 bluetooth bluetooth
320    # init.rc does not yet support applying capabilities, so run as root and
321    # let bluetoothd drop uid to bluetooth with the right linux capabilities
322    group bluetooth net_bt_admin misc
323    disabled
324
325service hfag /system/bin/sdptool add --channel=10 HFAG
326    user bluetooth
327    group bluetooth net_bt_admin
328    disabled
329    oneshot
330
331service hsag /system/bin/sdptool add --channel=11 HSAG
332    user bluetooth
333    group bluetooth net_bt_admin
334    disabled
335    oneshot
336
337service opush /system/bin/sdptool add --channel=12 OPUSH
338    user bluetooth
339    group bluetooth net_bt_admin
340    disabled
341    oneshot
342
343service pbap /system/bin/sdptool add --channel=19 PBAP
344    user bluetooth
345    group bluetooth net_bt_admin
346    disabled
347    oneshot
348
349service installd /system/bin/installd
350    socket installd stream 600 system system
351
352service flash_recovery /system/etc/install-recovery.sh
353    oneshot
354
355service racoon /system/bin/racoon
356    socket racoon stream 600 system system
357    # racoon will setuid to vpn after getting necessary resources.
358    group net_admin
359    disabled
360    oneshot
361
362service mtpd /system/bin/mtpd
363    socket mtpd stream 600 system system
364    user vpn
365    group vpn net_admin net_raw
366    disabled
367    oneshot
368
369service keystore /system/bin/keystore /data/misc/keystore
370    user keystore
371    group keystore
372    socket keystore stream 666
373
374service dumpstate /system/bin/dumpstate -s
375    socket dumpstate stream 0660 shell log
376    disabled
377    oneshot
378