init.rc revision 230cb33fd1ab335c6f808c72db891993b00110a0 
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    #change permissions on kmsg & sysrq-trigger so bugreports can grab kthread stacks
126    chown root system /proc/kmsg
127    chmod 0440 /proc/kmsg
128    chown root system /proc/sysrq-trigger
129    chmod 0220 /proc/sysrq-trigger
130
131# create basic filesystem structure
132    mkdir /data/misc 01771 system misc
133    mkdir /data/misc/bluetoothd 0770 bluetooth bluetooth
134    mkdir /data/misc/bluetooth 0770 system system
135    mkdir /data/misc/keystore 0700 keystore keystore
136    mkdir /data/misc/vpn 0770 system system
137    mkdir /data/misc/systemkeys 0700 system system
138    mkdir /data/misc/vpn/profiles 0770 system system
139    # give system access to wpa_supplicant.conf for backup and restore
140    mkdir /data/misc/wifi 0770 wifi wifi
141    chmod 0770 /data/misc/wifi
142    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
143    mkdir /data/local 0771 shell shell
144    mkdir /data/local/tmp 0771 shell shell
145    mkdir /data/data 0771 system system
146    mkdir /data/app-private 0771 system system
147    mkdir /data/app 0771 system system
148    mkdir /data/property 0700 root root
149
150    # create dalvik-cache and double-check the perms
151    mkdir /data/dalvik-cache 0771 system system
152    chown system system /data/dalvik-cache
153    chmod 0771 /data/dalvik-cache
154
155    # create the lost+found directories, so as to enforce our permissions
156    mkdir /data/lost+found 0770
157    mkdir /cache/lost+found 0770
158
159    # double check the perms, in case lost+found already exists, and set owner
160    chown root root /data/lost+found
161    chmod 0770 /data/lost+found
162    chown root root /cache/lost+found
163    chmod 0770 /cache/lost+found
164
165on boot
166# basic network init
167    ifup lo
168    hostname localhost
169    domainname localdomain
170
171# set RLIMIT_NICE to allow priorities from 19 to -20
172    setrlimit 13 40 40
173
174# Define the oom_adj values for the classes of processes that can be
175# killed by the kernel.  These are used in ActivityManagerService.
176    setprop ro.FOREGROUND_APP_ADJ 0
177    setprop ro.VISIBLE_APP_ADJ 1
178    setprop ro.SECONDARY_SERVER_ADJ 2
179    setprop ro.BACKUP_APP_ADJ 2
180    setprop ro.HOME_APP_ADJ 4
181    setprop ro.HIDDEN_APP_MIN_ADJ 7
182    setprop ro.CONTENT_PROVIDER_ADJ 14
183    setprop ro.EMPTY_APP_ADJ 15
184
185# Define the memory thresholds at which the above process classes will
186# be killed.  These numbers are in pages (4k).
187    setprop ro.FOREGROUND_APP_MEM 1536
188    setprop ro.VISIBLE_APP_MEM 2048
189    setprop ro.SECONDARY_SERVER_MEM 4096
190    setprop ro.BACKUP_APP_MEM 4096
191    setprop ro.HOME_APP_MEM 4096
192    setprop ro.HIDDEN_APP_MEM 5120
193    setprop ro.CONTENT_PROVIDER_MEM 5632
194    setprop ro.EMPTY_APP_MEM 6144
195
196# Write value must be consistent with the above properties.
197# Note that the driver only supports 6 slots, so we have HOME_APP at the
198# same memory level as services.
199    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
200
201    write /proc/sys/vm/overcommit_memory 1
202    write /proc/sys/vm/min_free_order_shift 4
203    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
204
205    # Set init its forked children's oom_adj.
206    write /proc/1/oom_adj -16
207
208    # Tweak background writeout
209    write /proc/sys/vm/dirty_expire_centisecs 200
210    write /proc/sys/vm/dirty_background_ratio  5
211
212    # Permissions for System Server and daemons.
213    chown radio system /sys/android_power/state
214    chown radio system /sys/android_power/request_state
215    chown radio system /sys/android_power/acquire_full_wake_lock
216    chown radio system /sys/android_power/acquire_partial_wake_lock
217    chown radio system /sys/android_power/release_wake_lock
218    chown radio system /sys/power/state
219    chown radio system /sys/power/wake_lock
220    chown radio system /sys/power/wake_unlock
221    chmod 0660 /sys/power/state
222    chmod 0660 /sys/power/wake_lock
223    chmod 0660 /sys/power/wake_unlock
224    chown system system /sys/class/timed_output/vibrator/enable
225    chown system system /sys/class/leds/keyboard-backlight/brightness
226    chown system system /sys/class/leds/lcd-backlight/brightness
227    chown system system /sys/class/leds/button-backlight/brightness
228    chown system system /sys/class/leds/jogball-backlight/brightness
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/leds/red/brightness
236    chown system system /sys/class/leds/green/brightness
237    chown system system /sys/class/leds/blue/brightness
238    chown system system /sys/class/leds/red/device/grpfreq
239    chown system system /sys/class/leds/red/device/grppwm
240    chown system system /sys/class/leds/red/device/blink
241    chown system system /sys/class/timed_output/vibrator/enable
242    chown system system /sys/module/sco/parameters/disable_esco
243    chown system system /sys/kernel/ipv4/tcp_wmem_min
244    chown system system /sys/kernel/ipv4/tcp_wmem_def
245    chown system system /sys/kernel/ipv4/tcp_wmem_max
246    chown system system /sys/kernel/ipv4/tcp_rmem_min
247    chown system system /sys/kernel/ipv4/tcp_rmem_def
248    chown system system /sys/kernel/ipv4/tcp_rmem_max
249    chown root radio /proc/cmdline
250
251# Define TCP buffer sizes for various networks
252#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
253    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
254    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
255    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
256    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
257    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
258
259    class_start default
260
261## Daemon processes to be run by init.
262##
263service console /system/bin/sh
264    console
265
266# adbd is controlled by the persist.service.adb.enable system property
267service adbd /sbin/adbd
268    disabled
269
270# adbd on at boot in emulator
271on property:ro.kernel.qemu=1
272    start adbd
273
274on property:persist.service.adb.enable=1
275    start adbd
276
277on property:persist.service.adb.enable=0
278    stop adbd
279
280service servicemanager /system/bin/servicemanager
281    user system
282    critical
283    onrestart restart zygote
284    onrestart restart media
285
286service vold /system/bin/vold
287    socket vold stream 0660 root mount
288    ioprio be 2
289
290service netd /system/bin/netd
291    socket netd stream 0660 root system
292
293service debuggerd /system/bin/debuggerd
294
295service ril-daemon /system/bin/rild
296    socket rild stream 660 root radio
297    socket rild-debug stream 660 radio system
298    user root
299    group radio cache inet misc audio
300
301service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
302    socket zygote stream 666
303    onrestart write /sys/android_power/request_state wake
304    onrestart write /sys/power/state on
305    onrestart restart media
306
307service media /system/bin/mediaserver
308    user media
309    group system audio camera graphics inet net_bt net_bt_admin net_raw
310    ioprio rt 4
311
312service bootanim /system/bin/bootanimation
313    user graphics
314    group graphics
315    disabled
316    oneshot
317
318service dbus /system/bin/dbus-daemon --system --nofork
319    socket dbus stream 660 bluetooth bluetooth
320    user bluetooth
321    group bluetooth net_bt_admin
322
323service bluetoothd /system/bin/bluetoothd -n
324    socket bluetooth stream 660 bluetooth bluetooth
325    socket dbus_bluetooth stream 660 bluetooth bluetooth
326    # init.rc does not yet support applying capabilities, so run as root and
327    # let bluetoothd drop uid to bluetooth with the right linux capabilities
328    group bluetooth net_bt_admin misc
329    disabled
330
331service hfag /system/bin/sdptool add --channel=10 HFAG
332    user bluetooth
333    group bluetooth net_bt_admin
334    disabled
335    oneshot
336
337service hsag /system/bin/sdptool add --channel=11 HSAG
338    user bluetooth
339    group bluetooth net_bt_admin
340    disabled
341    oneshot
342
343service opush /system/bin/sdptool add --channel=12 OPUSH
344    user bluetooth
345    group bluetooth net_bt_admin
346    disabled
347    oneshot
348
349service pbap /system/bin/sdptool add --channel=19 PBAP
350    user bluetooth
351    group bluetooth net_bt_admin
352    disabled
353    oneshot
354
355service installd /system/bin/installd
356    socket installd stream 600 system system
357
358service flash_recovery /system/etc/install-recovery.sh
359    oneshot
360
361service racoon /system/bin/racoon
362    socket racoon stream 600 system system
363    # racoon will setuid to vpn after getting necessary resources.
364    group net_admin
365    disabled
366    oneshot
367
368service mtpd /system/bin/mtpd
369    socket mtpd stream 600 system system
370    user vpn
371    group vpn net_admin net_raw
372    disabled
373    oneshot
374
375service keystore /system/bin/keystore /data/misc/keystore
376    user keystore
377    group keystore
378    socket keystore stream 666
379
380service dumpstate /system/bin/dumpstate -s
381    socket dumpstate stream 0660 shell log
382    disabled
383    oneshot
384