init.rc revision 1dec5032cfadc1a3d7687ce5b6cd322e4151ce9d 
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    #change permissions on vmallocinfo so we can grab it from bugreports
104    chown root log /proc/vmallocinfo
105    chmod 0440 /proc/vmallocinfo
106
107# create basic filesystem structure
108    mkdir /data/misc 01771 system misc
109    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
110    mkdir /data/misc/keystore 0700 keystore keystore
111    mkdir /data/misc/vpn 0770 system system
112    mkdir /data/misc/vpn/profiles 0770 system system
113    # give system access to wpa_supplicant.conf for backup and restore
114    mkdir /data/misc/wifi 0770 wifi wifi
115    chmod 0770 /data/misc/wifi
116    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
117    mkdir /data/local 0771 shell shell
118    mkdir /data/local/tmp 0771 shell shell
119    mkdir /data/data 0771 system system
120    mkdir /data/app-private 0771 system system
121    mkdir /data/app 0771 system system
122    mkdir /data/property 0700 root root
123
124
125    # create dalvik-cache and double-check the perms
126    mkdir /data/dalvik-cache 0771 system system
127    chown system system /data/dalvik-cache
128    chmod 0771 /data/dalvik-cache
129
130    # create the lost+found directories, so as to enforce our permissions
131    mkdir /data/lost+found 0770
132    mkdir /cache/lost+found 0770
133
134    # double check the perms, in case lost+found already exists, and set owner
135    chown root root /data/lost+found
136    chmod 0770 /data/lost+found
137    chown root root /cache/lost+found
138    chmod 0770 /cache/lost+found
139
140on boot
141# basic network init
142    ifup lo
143    hostname localhost
144    domainname localdomain
145
146# set RLIMIT_NICE to allow priorities from 19 to -20
147    setrlimit 13 40 40
148
149# Define the oom_adj values for the classes of processes that can be
150# killed by the kernel.  These are used in ActivityManagerService.
151    setprop ro.FOREGROUND_APP_ADJ 0
152    setprop ro.VISIBLE_APP_ADJ 1
153    setprop ro.SECONDARY_SERVER_ADJ 2
154    setprop ro.BACKUP_APP_ADJ 2
155    setprop ro.HOME_APP_ADJ 4
156    setprop ro.HIDDEN_APP_MIN_ADJ 7
157    setprop ro.CONTENT_PROVIDER_ADJ 14
158    setprop ro.EMPTY_APP_ADJ 15
159
160# Define the memory thresholds at which the above process classes will
161# be killed.  These numbers are in pages (4k).
162    setprop ro.FOREGROUND_APP_MEM 1536
163    setprop ro.VISIBLE_APP_MEM 2048
164    setprop ro.SECONDARY_SERVER_MEM 4096
165    setprop ro.BACKUP_APP_MEM 4096
166    setprop ro.HOME_APP_MEM 4096
167    setprop ro.HIDDEN_APP_MEM 5120
168    setprop ro.CONTENT_PROVIDER_MEM 5632
169    setprop ro.EMPTY_APP_MEM 6144
170
171# Write value must be consistent with the above properties.
172# Note that the driver only supports 6 slots, so we have HOME_APP at the
173# same memory level as services.
174    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
175
176    write /proc/sys/vm/overcommit_memory 1
177    write /proc/sys/vm/min_free_order_shift 4
178    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
179
180    # Set init its forked children's oom_adj.
181    write /proc/1/oom_adj -16
182
183    # Permissions for System Server and daemons.
184    chown radio system /sys/android_power/state
185    chown radio system /sys/android_power/request_state
186    chown radio system /sys/android_power/acquire_full_wake_lock
187    chown radio system /sys/android_power/acquire_partial_wake_lock
188    chown radio system /sys/android_power/release_wake_lock
189    chown radio system /sys/power/state
190    chown radio system /sys/power/wake_lock
191    chown radio system /sys/power/wake_unlock
192    chmod 0660 /sys/power/state
193    chmod 0660 /sys/power/wake_lock
194    chmod 0660 /sys/power/wake_unlock
195    chown system system /sys/class/timed_output/vibrator/enable
196    chown system system /sys/class/leds/keyboard-backlight/brightness
197    chown system system /sys/class/leds/lcd-backlight/brightness
198    chown system system /sys/class/leds/button-backlight/brightness
199    chown system system /sys/class/leds/jogball-backlight/brightness
200    chown system system /sys/class/leds/red/brightness
201    chown system system /sys/class/leds/green/brightness
202    chown system system /sys/class/leds/blue/brightness
203    chown system system /sys/class/leds/red/device/grpfreq
204    chown system system /sys/class/leds/red/device/grppwm
205    chown system system /sys/class/leds/red/device/blink
206    chown system system /sys/class/leds/red/brightness
207    chown system system /sys/class/leds/green/brightness
208    chown system system /sys/class/leds/blue/brightness
209    chown system system /sys/class/leds/red/device/grpfreq
210    chown system system /sys/class/leds/red/device/grppwm
211    chown system system /sys/class/leds/red/device/blink
212    chown system system /sys/class/timed_output/vibrator/enable
213    chown system system /sys/module/sco/parameters/disable_esco
214    chown system system /sys/kernel/ipv4/tcp_wmem_min
215    chown system system /sys/kernel/ipv4/tcp_wmem_def
216    chown system system /sys/kernel/ipv4/tcp_wmem_max
217    chown system system /sys/kernel/ipv4/tcp_rmem_min
218    chown system system /sys/kernel/ipv4/tcp_rmem_def
219    chown system system /sys/kernel/ipv4/tcp_rmem_max
220    chown root radio /proc/cmdline
221
222# Define TCP buffer sizes for various networks
223#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
224    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
225    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
226    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
227    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
228    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
229
230    class_start default
231
232## Daemon processes to be run by init.
233##
234service console /system/bin/sh
235    console
236
237# adbd is controlled by the persist.service.adb.enable system property
238service adbd /sbin/adbd
239    disabled
240
241# adbd on at boot in emulator
242on property:ro.kernel.qemu=1
243    start adbd
244
245on property:persist.service.adb.enable=1
246    start adbd
247
248on property:persist.service.adb.enable=0
249    stop adbd
250
251service servicemanager /system/bin/servicemanager
252    user system
253    critical
254    onrestart restart zygote
255    onrestart restart media
256
257service vold /system/bin/vold
258    socket vold stream 0660 root mount
259
260service nexus /system/bin/nexus
261    socket nexus stream 0660 root system
262    disabled
263
264#service mountd /system/bin/mountd
265#    socket mountd stream 0660 root mount
266
267service debuggerd /system/bin/debuggerd
268
269service ril-daemon /system/bin/rild
270    socket rild stream 660 root radio
271    socket rild-debug stream 660 radio system
272    user root
273    group radio cache inet misc
274
275service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
276    socket zygote stream 666
277    onrestart write /sys/android_power/request_state wake
278    onrestart write /sys/power/state on
279    onrestart restart media
280
281service media /system/bin/mediaserver
282    user media
283    group system audio camera graphics inet net_bt net_bt_admin
284
285service bootsound /system/bin/playmp3
286    user media
287    group audio
288    oneshot
289
290service bootanim /system/bin/bootanimation
291    user graphics
292    group graphics
293    disabled
294    oneshot
295
296service dbus /system/bin/dbus-daemon --system --nofork
297    socket dbus stream 660 bluetooth bluetooth
298    user bluetooth
299    group bluetooth net_bt_admin
300
301service bluetoothd /system/bin/bluetoothd -n
302    socket bluetooth stream 660 bluetooth bluetooth
303    socket dbus_bluetooth stream 660 bluetooth bluetooth
304    # init.rc does not yet support applying capabilities, so run as root and
305    # let bluetoothd drop uid to bluetooth with the right linux capabilities
306    group bluetooth net_bt_admin misc
307    disabled
308
309service hfag /system/bin/sdptool add --channel=10 HFAG
310    user bluetooth
311    group bluetooth net_bt_admin
312    disabled
313    oneshot
314
315service hsag /system/bin/sdptool add --channel=11 HSAG
316    user bluetooth
317    group bluetooth net_bt_admin
318    disabled
319    oneshot
320
321service opush /system/bin/sdptool add --channel=12 OPUSH
322    user bluetooth
323    group bluetooth net_bt_admin
324    disabled
325    oneshot
326
327service pbap /system/bin/sdptool add --channel=19 PBAP
328    user bluetooth
329    group bluetooth net_bt_admin
330    disabled
331    oneshot
332
333service installd /system/bin/installd
334    socket installd stream 600 system system
335
336service flash_recovery /system/etc/install-recovery.sh
337    oneshot
338
339service racoon /system/bin/racoon
340    socket racoon stream 600 system system
341    # racoon will setuid to vpn after getting necessary resources.
342    group net_admin
343    disabled
344    oneshot
345
346service mtpd /system/bin/mtpd
347    socket mtpd stream 600 system system
348    user vpn
349    group vpn net_admin net_raw
350    disabled
351    oneshot
352
353service keystore /system/bin/keystore /data/misc/keystore
354    user keystore
355    group keystore
356    socket keystore stream 666
357
358service dumpstate /system/bin/dumpstate -s
359    socket dumpstate stream 0660 shell log
360    disabled
361    oneshot
362