init.rc revision 1320687bdb6df2de1c27fb03c827b69384d26f87 
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    mount rootfs rootfs / ro remount
32
33    write /proc/sys/kernel/panic_on_oops 1
34    write /proc/sys/kernel/hung_task_timeout_secs 0
35    write /proc/cpu/alignment 4
36    write /proc/sys/kernel/sched_latency_ns 10000000
37    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
38    write /proc/sys/kernel/sched_compat_yield 1
39    write /proc/sys/kernel/sched_child_runs_first 0
40
41## Create cgroup mount points for process groups
42#    mkdir /dev/cpuctl
43#    mount cgroup none /dev/cpuctl cpu
44#    chown sytem system /dev/cpuctl
45#    chown system system /dev/cpuctl/tasks
46#    chmod 0777 /dev/cpuctl/tasks
47#    write /dev/cpuctl/cpu.shares 1024
48#
49#    mkdir /dev/cpuctl/fg_boost
50#    chown system system /dev/cpuctl/fg_boost/tasks
51#    chmod 0777 /dev/cpuctl/fg_boost/tasks
52#    write /dev/cpuctl/fg_boost/cpu.shares 1024
53#
54#    mkdir /dev/cpuctl/bg_non_interactive
55#    chown system system /dev/cpuctl/bg_non_interactive/tasks
56#    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
57#    # 5.0 %
58#    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
59
60# mount mtd partitions
61    # Mount /system rw first to give the filesystem a chance to save a checkpoint
62    mount yaffs2 mtd@system /system
63    mount yaffs2 mtd@system /system ro remount
64
65    # We chown/chmod /data again so because mount is run as root + defaults
66    mount yaffs2 mtd@userdata /data nosuid nodev
67    chown system system /data
68    chmod 0771 /data
69
70    # Create dump dir and collect dumps.
71    # Do this before we mount cache so eventually we can use cache for
72    # storing dumps on platforms which do not have a dedicated dump partition.
73   
74    mkdir /data/dontpanic
75    chown root log /data/dontpanic
76    chmod 0750 /data/dontpanic
77
78    # Collect apanic data, free resources and re-arm trigger
79    copy /proc/apanic_console /data/dontpanic/apanic_console
80    chown root log /data/dontpanic/apanic_console
81    chmod 0640 /data/dontpanic/apanic_console
82
83    copy /proc/apanic_threads /data/dontpanic/apanic_threads
84    chown root log /data/dontpanic/apanic_threads
85    chmod 0640 /data/dontpanic/apanic_threads
86
87    write /proc/apanic_console 1
88
89    # Collect ramconsole data
90    copy /proc/last_kmsg /data/dontpanic/last_kmsg
91    chown root log /data/dontpanic/last_kmsg
92    chmod 0640 /data/dontpanic/last_kmsg
93
94    # Same reason as /data above
95    mount yaffs2 mtd@cache /cache nosuid nodev
96    chown system cache /cache
97    chmod 0770 /cache
98
99    # This may have been created by the recovery system with odd permissions
100    chown system system /cache/recovery
101    chmod 0770 /cache/recovery
102
103# create basic filesystem structure
104    mkdir /data/misc 01771 system misc
105    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
106    mkdir /data/misc/keystore 0770 keystore keystore
107    mkdir /data/misc/vpn 0770 system system
108    mkdir /data/misc/vpn/profiles 0770 system system
109    # give system access to wpa_supplicant.conf for backup and restore
110    mkdir /data/misc/wifi 0770 wifi wifi
111    chmod 0770 /data/misc/wifi
112    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
113    mkdir /data/local 0771 shell shell
114    mkdir /data/local/tmp 0771 shell shell
115    mkdir /data/data 0771 system system
116    mkdir /data/app-private 0771 system system
117    mkdir /data/app 0771 system system
118    mkdir /data/property 0700 root root
119
120
121    # create dalvik-cache and double-check the perms
122    mkdir /data/dalvik-cache 0771 system system
123    chown system system /data/dalvik-cache
124    chmod 0771 /data/dalvik-cache
125
126    # create the lost+found directories, so as to enforce our permissions
127    mkdir /data/lost+found 0770
128    mkdir /cache/lost+found 0770
129
130    # double check the perms, in case lost+found already exists, and set owner
131    chown root root /data/lost+found
132    chmod 0770 /data/lost+found
133    chown root root /cache/lost+found
134    chmod 0770 /cache/lost+found
135
136on boot
137# basic network init
138    ifup lo
139    hostname localhost
140    domainname localdomain
141
142# set RLIMIT_NICE to allow priorities from 19 to -20
143    setrlimit 13 40 40
144
145# Define the oom_adj values for the classes of processes that can be
146# killed by the kernel.  These are used in ActivityManagerService.
147    setprop ro.FOREGROUND_APP_ADJ 0
148    setprop ro.VISIBLE_APP_ADJ 1
149    setprop ro.SECONDARY_SERVER_ADJ 2
150    setprop ro.BACKUP_APP_ADJ 2
151    setprop ro.HOME_APP_ADJ 4
152    setprop ro.HIDDEN_APP_MIN_ADJ 7
153    setprop ro.CONTENT_PROVIDER_ADJ 14
154    setprop ro.EMPTY_APP_ADJ 15
155
156# Define the memory thresholds at which the above process classes will
157# be killed.  These numbers are in pages (4k).
158    setprop ro.FOREGROUND_APP_MEM 1536
159    setprop ro.VISIBLE_APP_MEM 2048
160    setprop ro.SECONDARY_SERVER_MEM 4096
161    setprop ro.BACKUP_APP_MEM 4096
162    setprop ro.HOME_APP_MEM 4096
163    setprop ro.HIDDEN_APP_MEM 5120
164    setprop ro.CONTENT_PROVIDER_MEM 5632
165    setprop ro.EMPTY_APP_MEM 6144
166
167    mount debugfs /sys/kernel/debug /sys/kernel/debug
168
169# Write value must be consistent with the above properties.
170# Note that the driver only supports 6 slots, so we have HOME_APP at the
171# same memory level as services.
172    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
173
174    write /proc/sys/vm/overcommit_memory 1
175    write /proc/sys/vm/min_free_order_shift 4
176    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
177
178    # Set init its forked children's oom_adj.
179    write /proc/1/oom_adj -16
180
181    # Permissions for System Server and daemons.
182    chown radio system /sys/android_power/state
183    chown radio system /sys/android_power/request_state
184    chown radio system /sys/android_power/acquire_full_wake_lock
185    chown radio system /sys/android_power/acquire_partial_wake_lock
186    chown radio system /sys/android_power/release_wake_lock
187    chown radio system /sys/power/state
188    chown radio system /sys/power/wake_lock
189    chown radio system /sys/power/wake_unlock
190    chmod 0660 /sys/power/state
191    chmod 0660 /sys/power/wake_lock
192    chmod 0660 /sys/power/wake_unlock
193    chown system system /sys/class/timed_output/vibrator/enable
194    chown system system /sys/class/leds/keyboard-backlight/brightness
195    chown system system /sys/class/leds/lcd-backlight/brightness
196    chown system system /sys/class/leds/button-backlight/brightness
197    chown system system /sys/class/leds/jogball-backlight/brightness
198    chown system system /sys/class/leds/red/brightness
199    chown system system /sys/class/leds/green/brightness
200    chown system system /sys/class/leds/blue/brightness
201    chown system system /sys/class/leds/red/device/grpfreq
202    chown system system /sys/class/leds/red/device/grppwm
203    chown system system /sys/class/leds/red/device/blink
204    chown system system /sys/class/leds/red/brightness
205    chown system system /sys/class/leds/green/brightness
206    chown system system /sys/class/leds/blue/brightness
207    chown system system /sys/class/leds/red/device/grpfreq
208    chown system system /sys/class/leds/red/device/grppwm
209    chown system system /sys/class/leds/red/device/blink
210    chown system system /sys/class/timed_output/vibrator/enable
211    chown system system /sys/module/sco/parameters/disable_esco
212    chown system system /sys/kernel/ipv4/tcp_wmem_min
213    chown system system /sys/kernel/ipv4/tcp_wmem_def
214    chown system system /sys/kernel/ipv4/tcp_wmem_max
215    chown system system /sys/kernel/ipv4/tcp_rmem_min
216    chown system system /sys/kernel/ipv4/tcp_rmem_def
217    chown system system /sys/kernel/ipv4/tcp_rmem_max
218    chown root radio /proc/cmdline
219
220# Define TCP buffer sizes for various networks
221#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
222    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
223    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
224    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
225    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
226    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
227
228    class_start default
229
230## Daemon processes to be run by init.
231##
232service console /system/bin/sh
233    console
234
235# adbd is controlled by the persist.service.adb.enable system property
236service adbd /sbin/adbd
237    disabled
238
239# adbd on at boot in emulator
240on property:ro.kernel.qemu=1
241    start adbd
242
243on property:persist.service.adb.enable=1
244    start adbd
245
246on property:persist.service.adb.enable=0
247    stop adbd
248
249service servicemanager /system/bin/servicemanager
250    user system
251    critical
252    onrestart restart zygote
253    onrestart restart media
254
255service vold /system/bin/vold
256    socket vold stream 0660 root mount
257
258service nexus /system/bin/nexus
259    socket nexus stream 0660 root system
260    disabled
261
262#service mountd /system/bin/mountd
263#    socket mountd stream 0660 root mount
264
265service debuggerd /system/bin/debuggerd
266
267service ril-daemon /system/bin/rild
268    socket rild stream 660 root radio
269    socket rild-debug stream 660 radio system
270    user root
271    group radio cache inet misc
272
273service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
274    socket zygote stream 666
275    onrestart write /sys/android_power/request_state wake
276    onrestart write /sys/power/state on
277
278service media /system/bin/mediaserver
279    user media
280    group system audio camera graphics inet net_bt net_bt_admin
281
282service bootsound /system/bin/playmp3
283    user media
284    group audio
285    oneshot
286
287service bootanim /system/bin/bootanimation
288    user graphics
289    group graphics
290    disabled
291    oneshot
292
293service dbus /system/bin/dbus-daemon --system --nofork
294    socket dbus stream 660 bluetooth bluetooth
295    user bluetooth
296    group bluetooth net_bt_admin
297
298service bluetoothd /system/bin/bluetoothd -n
299    socket bluetooth stream 660 bluetooth bluetooth
300    socket dbus_bluetooth stream 660 bluetooth bluetooth
301    # init.rc does not yet support applying capabilities, so run as root and
302    # let bluetoothd drop uid to bluetooth with the right linux capabilities
303    group bluetooth net_bt_admin misc
304    disabled
305
306service hfag /system/bin/sdptool add --channel=10 HFAG
307    user bluetooth
308    group bluetooth net_bt_admin
309    disabled
310    oneshot
311
312service hsag /system/bin/sdptool add --channel=11 HSAG
313    user bluetooth
314    group bluetooth net_bt_admin
315    disabled
316    oneshot
317
318service opush /system/bin/sdptool add --channel=12 OPUSH
319    user bluetooth
320    group bluetooth net_bt_admin
321    disabled
322    oneshot
323
324service pbap /system/bin/sdptool add --channel=19 PBAP
325    user bluetooth
326    group bluetooth net_bt_admin
327    disabled
328    oneshot
329
330service installd /system/bin/installd
331    socket installd stream 600 system system
332
333service flash_recovery /system/etc/install-recovery.sh
334    oneshot
335
336service racoon /system/bin/racoon
337    socket racoon stream 600 system system
338    # racoon will setuid to vpn after getting necessary resources.
339    group net_admin keystore
340    disabled
341    oneshot
342
343service mtpd /system/bin/mtpd
344    socket mtpd stream 600 system system
345    user vpn
346    group vpn net_admin net_raw
347    disabled
348    oneshot
349
350service keystore /system/bin/keystore
351    user keystore
352    group keystore
353    socket keystore stream 666
354
355service dumpstate /system/bin/dumpstate -s
356    socket dumpstate stream 0660 shell log
357    disabled
358    oneshot
359