init.rc revision 37c586e6b11138beab400d1208183d49c12a9ef2 
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    # Same reason as /data above
90    mount yaffs2 mtd@cache /cache nosuid nodev
91    chown system cache /cache
92    chmod 0770 /cache
93
94    # This may have been created by the recovery system with odd permissions
95    chown system cache /cache/recovery
96    chmod 0770 /cache/recovery
97
98    #change permissions on vmallocinfo so we can grab it from bugreports
99    chown root log /proc/vmallocinfo
100    chmod 0440 /proc/vmallocinfo
101
102# create basic filesystem structure
103    mkdir /data/misc 01771 system misc
104    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
105    mkdir /data/misc/keystore 0700 keystore keystore
106    mkdir /data/misc/vpn 0770 system system
107    mkdir /data/misc/vpn/profiles 0770 system system
108    # give system access to wpa_supplicant.conf for backup and restore
109    mkdir /data/misc/wifi 0770 wifi wifi
110    chmod 0770 /data/misc/wifi
111    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
112    mkdir /data/local 0771 shell shell
113    mkdir /data/local/tmp 0771 shell shell
114    mkdir /data/data 0771 system system
115    mkdir /data/app-private 0771 system system
116    mkdir /data/app 0771 system system
117    mkdir /data/property 0700 root root
118
119    # STOPSHIP: Temporary Encrypted File Systems workaround
120    mkdir /data/secure 0771 system system
121    mkdir /data/secure/data 0771 system system
122    mkdir /data/secure/misc 01771 system misc
123    mkdir /data/securemisc/vpn 0770 system system
124    mkdir /data/secure/misc/vpn/profiles 0770 system system
125
126    # create dalvik-cache and double-check the perms
127    mkdir /data/dalvik-cache 0771 system system
128    chown system system /data/dalvik-cache
129    chmod 0771 /data/dalvik-cache
130
131    # create the lost+found directories, so as to enforce our permissions
132    mkdir /data/lost+found 0770
133    mkdir /cache/lost+found 0770
134
135    # double check the perms, in case lost+found already exists, and set owner
136    chown root root /data/lost+found
137    chmod 0770 /data/lost+found
138    chown root root /cache/lost+found
139    chmod 0770 /cache/lost+found
140
141on boot
142# basic network init
143    ifup lo
144    hostname localhost
145    domainname localdomain
146
147# set RLIMIT_NICE to allow priorities from 19 to -20
148    setrlimit 13 40 40
149
150# Define the oom_adj values for the classes of processes that can be
151# killed by the kernel.  These are used in ActivityManagerService.
152    setprop ro.FOREGROUND_APP_ADJ 0
153    setprop ro.VISIBLE_APP_ADJ 1
154    setprop ro.SECONDARY_SERVER_ADJ 2
155    setprop ro.BACKUP_APP_ADJ 2
156    setprop ro.HOME_APP_ADJ 4
157    setprop ro.HIDDEN_APP_MIN_ADJ 7
158    setprop ro.CONTENT_PROVIDER_ADJ 14
159    setprop ro.EMPTY_APP_ADJ 15
160
161# Define the memory thresholds at which the above process classes will
162# be killed.  These numbers are in pages (4k).
163    setprop ro.FOREGROUND_APP_MEM 1536
164    setprop ro.VISIBLE_APP_MEM 2048
165    setprop ro.SECONDARY_SERVER_MEM 4096
166    setprop ro.BACKUP_APP_MEM 4096
167    setprop ro.HOME_APP_MEM 4096
168    setprop ro.HIDDEN_APP_MEM 5120
169    setprop ro.CONTENT_PROVIDER_MEM 5632
170    setprop ro.EMPTY_APP_MEM 6144
171
172# Write value must be consistent with the above properties.
173# Note that the driver only supports 6 slots, so we have HOME_APP at the
174# same memory level as services.
175    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
176
177    write /proc/sys/vm/overcommit_memory 1
178    write /proc/sys/vm/min_free_order_shift 4
179    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
180
181    # Set init its forked children's oom_adj.
182    write /proc/1/oom_adj -16
183
184    # Tweak background writeout
185    write /proc/sys/vm/dirty_expire_centisecs 200
186    write /proc/sys/vm/dirty_background_ratio  5
187
188    # Permissions for System Server and daemons.
189    chown radio system /sys/android_power/state
190    chown radio system /sys/android_power/request_state
191    chown radio system /sys/android_power/acquire_full_wake_lock
192    chown radio system /sys/android_power/acquire_partial_wake_lock
193    chown radio system /sys/android_power/release_wake_lock
194    chown radio system /sys/power/state
195    chown radio system /sys/power/wake_lock
196    chown radio system /sys/power/wake_unlock
197    chmod 0660 /sys/power/state
198    chmod 0660 /sys/power/wake_lock
199    chmod 0660 /sys/power/wake_unlock
200    chown system system /sys/class/timed_output/vibrator/enable
201    chown system system /sys/class/leds/keyboard-backlight/brightness
202    chown system system /sys/class/leds/lcd-backlight/brightness
203    chown system system /sys/class/leds/button-backlight/brightness
204    chown system system /sys/class/leds/jogball-backlight/brightness
205    chown system system /sys/class/leds/red/brightness
206    chown system system /sys/class/leds/green/brightness
207    chown system system /sys/class/leds/blue/brightness
208    chown system system /sys/class/leds/red/device/grpfreq
209    chown system system /sys/class/leds/red/device/grppwm
210    chown system system /sys/class/leds/red/device/blink
211    chown system system /sys/class/leds/red/brightness
212    chown system system /sys/class/leds/green/brightness
213    chown system system /sys/class/leds/blue/brightness
214    chown system system /sys/class/leds/red/device/grpfreq
215    chown system system /sys/class/leds/red/device/grppwm
216    chown system system /sys/class/leds/red/device/blink
217    chown system system /sys/class/timed_output/vibrator/enable
218    chown system system /sys/module/sco/parameters/disable_esco
219    chown system system /sys/kernel/ipv4/tcp_wmem_min
220    chown system system /sys/kernel/ipv4/tcp_wmem_def
221    chown system system /sys/kernel/ipv4/tcp_wmem_max
222    chown system system /sys/kernel/ipv4/tcp_rmem_min
223    chown system system /sys/kernel/ipv4/tcp_rmem_def
224    chown system system /sys/kernel/ipv4/tcp_rmem_max
225    chown root radio /proc/cmdline
226
227# Define TCP buffer sizes for various networks
228#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
229    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
230    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
231    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
232    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
233    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
234
235    class_start default
236
237## Daemon processes to be run by init.
238##
239service console /system/bin/sh
240    console
241
242# adbd is controlled by the persist.service.adb.enable system property
243service adbd /sbin/adbd
244    disabled
245
246# adbd on at boot in emulator
247on property:ro.kernel.qemu=1
248    start adbd
249
250on property:persist.service.adb.enable=1
251    start adbd
252
253on property:persist.service.adb.enable=0
254    stop adbd
255
256service servicemanager /system/bin/servicemanager
257    user system
258    critical
259    onrestart restart zygote
260    onrestart restart media
261
262service vold /system/bin/vold
263    socket vold stream 0660 root mount
264
265service nexus /system/bin/nexus
266    socket nexus stream 0660 root system
267    disabled
268
269#service mountd /system/bin/mountd
270#    socket mountd stream 0660 root mount
271
272service debuggerd /system/bin/debuggerd
273
274service ril-daemon /system/bin/rild
275    socket rild stream 660 root radio
276    socket rild-debug stream 660 radio system
277    user root
278    group radio cache inet misc audio
279
280service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
281    socket zygote stream 666
282    onrestart write /sys/android_power/request_state wake
283    onrestart write /sys/power/state on
284    onrestart restart media
285
286service media /system/bin/mediaserver
287    user media
288    group system audio camera graphics inet net_bt net_bt_admin
289
290service bootsound /system/bin/playmp3
291    user media
292    group audio
293    oneshot
294
295service bootanim /system/bin/bootanimation
296    user graphics
297    group graphics
298    disabled
299    oneshot
300
301service dbus /system/bin/dbus-daemon --system --nofork
302    socket dbus stream 660 bluetooth bluetooth
303    user bluetooth
304    group bluetooth net_bt_admin
305
306service bluetoothd /system/bin/bluetoothd -n
307    socket bluetooth stream 660 bluetooth bluetooth
308    socket dbus_bluetooth stream 660 bluetooth bluetooth
309    # init.rc does not yet support applying capabilities, so run as root and
310    # let bluetoothd drop uid to bluetooth with the right linux capabilities
311    group bluetooth net_bt_admin misc
312    disabled
313
314service hfag /system/bin/sdptool add --channel=10 HFAG
315    user bluetooth
316    group bluetooth net_bt_admin
317    disabled
318    oneshot
319
320service hsag /system/bin/sdptool add --channel=11 HSAG
321    user bluetooth
322    group bluetooth net_bt_admin
323    disabled
324    oneshot
325
326service opush /system/bin/sdptool add --channel=12 OPUSH
327    user bluetooth
328    group bluetooth net_bt_admin
329    disabled
330    oneshot
331
332service pbap /system/bin/sdptool add --channel=19 PBAP
333    user bluetooth
334    group bluetooth net_bt_admin
335    disabled
336    oneshot
337
338service installd /system/bin/installd
339    socket installd stream 600 system system
340
341service flash_recovery /system/etc/install-recovery.sh
342    oneshot
343
344service racoon /system/bin/racoon
345    socket racoon stream 600 system system
346    # racoon will setuid to vpn after getting necessary resources.
347    group net_admin
348    disabled
349    oneshot
350
351service mtpd /system/bin/mtpd
352    socket mtpd stream 600 system system
353    user vpn
354    group vpn net_admin net_raw
355    disabled
356    oneshot
357
358service keystore /system/bin/keystore /data/misc/keystore
359    user keystore
360    group keystore
361    socket keystore stream 666
362
363service dumpstate /system/bin/dumpstate -s
364    socket dumpstate stream 0660 shell log
365    disabled
366    oneshot
367