init.rc revision abe3a9c30595846b7e3d705dd4b0aca37fb2f748 
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
21# create mountpoints and mount tmpfs on sqlite_stmt_journals
22    mkdir /sdcard 0000 system system
23    mkdir /system
24    mkdir /data 0771 system system
25    mkdir /cache 0770 system cache
26    mkdir /config 0500 root root
27    mkdir /sqlite_stmt_journals 01777 root root
28    mount tmpfs tmpfs /sqlite_stmt_journals size=4m
29
30    mount rootfs rootfs / ro remount
31
32    write /proc/sys/kernel/panic_on_oops 1
33    write /proc/sys/kernel/hung_task_timeout_secs 0
34    write /proc/cpu/alignment 4
35    write /proc/sys/kernel/sched_latency_ns 10000000
36    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
37    write /proc/sys/kernel/sched_compat_yield 1
38
39# Create cgroup mount points for process groups
40    mkdir /dev/cpuctl
41    mount cgroup none /dev/cpuctl cpu
42    chown sytem system /dev/cpuctl
43    chown system system /dev/cpuctl/tasks
44    chmod 0777 /dev/cpuctl/tasks
45    write /dev/cpuctl/cpu.shares 1024
46
47    mkdir /dev/cpuctl/fg_boost
48    chown system system /dev/cpuctl/fg_boost/tasks
49    chmod 0777 /dev/cpuctl/fg_boost/tasks
50    write /dev/cpuctl/fg_boost/cpu.shares 1024
51
52    mkdir /dev/cpuctl/bg_non_interactive
53    chown system system /dev/cpuctl/bg_non_interactive/tasks
54    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
55    # 5.0 %
56    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
57
58# mount mtd partitions
59    # Mount /system rw first to give the filesystem a chance to save a checkpoint
60    mount yaffs2 mtd@system /system
61    mount yaffs2 mtd@system /system ro remount
62
63    # We chown/chmod /data again so because mount is run as root + defaults
64    mount yaffs2 mtd@userdata /data nosuid nodev
65    chown system system /data
66    chmod 0771 /data
67
68    # Create dump dir and collect dumps.
69    # Do this before we mount cache so eventually we can use cache for
70    # storing dumps on platforms which do not have a dedicated dump partition.
71   
72    mkdir /data/dontpanic
73    chmod 0770 /data/dontpanic
74
75    # Collect apanic data, free resources and re-arm trigger
76    copy /proc/apanic_console /data/dontpanic/apanic_console
77    chown root system /data/dontpanic/apanic_console
78    # STOPSHIP!
79    chmod 0664 /data/dontpanic/apanic_console
80
81    copy /proc/apanic_threads /data/dontpanic/apanic_threads
82    chown root system /data/dontpanic/apanic_threads
83    # STOPSHIP!
84    chmod 0664 /data/dontpanic/apanic_threads
85
86    write /proc/apanic_console 1
87
88    # Collect ramconsole data
89    copy /proc/last_kmsg /data/dontpanic/last_kmsg
90    chown root system /data/dontpanic/last_kmsg
91    # STOPSHIP!
92    chmod 0664 /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# Write value must be consistent with the above properties.
168# Note that the driver only supports 6 slots, so we have HOME_APP at the
169# same memory level as services.
170    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
171
172    write /proc/sys/vm/overcommit_memory 1
173    write /proc/sys/vm/min_free_order_shift 4
174    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
175
176    # Set init its forked children's oom_adj.
177    write /proc/1/oom_adj -16
178
179    # Permissions for System Server and daemons.
180    chown radio system /sys/android_power/state
181    chown radio system /sys/android_power/request_state
182    chown radio system /sys/android_power/acquire_full_wake_lock
183    chown radio system /sys/android_power/acquire_partial_wake_lock
184    chown radio system /sys/android_power/release_wake_lock
185    chown radio system /sys/power/state
186    chown radio system /sys/power/wake_lock
187    chown radio system /sys/power/wake_unlock
188    chmod 0660 /sys/power/state
189    chmod 0660 /sys/power/wake_lock
190    chmod 0660 /sys/power/wake_unlock
191    chown system system /sys/class/timed_output/vibrator/enable
192    chown system system /sys/class/leds/keyboard-backlight/brightness
193    chown system system /sys/class/leds/lcd-backlight/brightness
194    chown system system /sys/class/leds/button-backlight/brightness
195    chown system system /sys/class/leds/jogball-backlight/brightness
196    chown system system /sys/class/leds/red/brightness
197    chown system system /sys/class/leds/green/brightness
198    chown system system /sys/class/leds/blue/brightness
199    chown system system /sys/class/leds/red/device/grpfreq
200    chown system system /sys/class/leds/red/device/grppwm
201    chown system system /sys/class/leds/red/device/blink
202    chown system system /sys/class/leds/red/brightness
203    chown system system /sys/class/leds/green/brightness
204    chown system system /sys/class/leds/blue/brightness
205    chown system system /sys/class/leds/red/device/grpfreq
206    chown system system /sys/class/leds/red/device/grppwm
207    chown system system /sys/class/leds/red/device/blink
208    chown system system /sys/class/timed_output/vibrator/enable
209    chown system system /sys/module/sco/parameters/disable_esco
210    chown system system /sys/kernel/ipv4/tcp_wmem_min
211    chown system system /sys/kernel/ipv4/tcp_wmem_def
212    chown system system /sys/kernel/ipv4/tcp_wmem_max
213    chown system system /sys/kernel/ipv4/tcp_rmem_min
214    chown system system /sys/kernel/ipv4/tcp_rmem_def
215    chown system system /sys/kernel/ipv4/tcp_rmem_max
216    chown root radio /proc/cmdline
217
218# Define TCP buffer sizes for various networks
219#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
220    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
221    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
222    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
223    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
224    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
225
226    class_start default
227
228## Daemon processes to be run by init.
229##
230service console /system/bin/sh
231    console
232
233# adbd is controlled by the persist.service.adb.enable system property
234service adbd /sbin/adbd
235    disabled
236
237# adbd on at boot in emulator
238on property:ro.kernel.qemu=1
239    start adbd
240
241on property:persist.service.adb.enable=1
242    start adbd
243
244on property:persist.service.adb.enable=0
245    stop adbd
246
247service servicemanager /system/bin/servicemanager
248    user system
249    critical
250    onrestart restart zygote
251    onrestart restart media
252
253service vold /system/bin/vold
254    socket vold stream 0660 root mount
255
256service nexus /system/bin/nexus
257    socket nexus stream 0660 root system
258    disabled
259
260#service mountd /system/bin/mountd
261#    socket mountd stream 0660 root mount
262
263service debuggerd /system/bin/debuggerd
264
265service ril-daemon /system/bin/rild
266    socket rild stream 660 root radio
267    socket rild-debug stream 660 radio system
268    user root
269    group radio cache inet misc
270
271service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
272    socket zygote stream 666
273    onrestart write /sys/android_power/request_state wake
274    onrestart write /sys/power/state on
275
276service media /system/bin/mediaserver
277    user media
278    group system audio camera graphics inet net_bt net_bt_admin
279
280service bootsound /system/bin/playmp3
281    user media
282    group audio
283    oneshot
284
285service bootanim /system/bin/bootanimation
286    user graphics
287    group graphics
288    disabled
289    oneshot
290
291#STOPSHIP: Remove logwrapper before production
292service dbus /system/bin/logwrapper /system/bin/dbus-daemon --system --nofork
293    socket dbus stream 660 bluetooth bluetooth
294    user bluetooth
295    group bluetooth net_bt_admin
296
297#STOPSHIP: Remove logwrapper and -d option before production
298service bluetoothd /system/bin/logwrapper /system/bin/bluetoothd -d -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