init.rc revision d52f54c4552d2f35b3c2c2ac60350ac83760222f 
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 /sqlite_stmt_journals 01777 root root
27    mount tmpfs tmpfs /sqlite_stmt_journals size=4m
28
29    mount rootfs rootfs / ro remount
30
31    write /proc/sys/kernel/panic_on_oops 1
32    write /proc/sys/kernel/hung_task_timeout_secs 0
33    write /proc/cpu/alignment 4
34    write /proc/sys/kernel/sched_latency_ns 10000000
35    write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000
36    write /proc/sys/kernel/sched_compat_yield 1
37
38# Create cgroup mount points for process groups
39    mkdir /dev/cpuctl
40    mount cgroup none /dev/cpuctl cpu
41    chown sytem system /dev/cpuctl
42    chown system system /dev/cpuctl/tasks
43    chmod 0777 /dev/cpuctl/tasks
44    write /dev/cpuctl/cpu.shares 1024
45
46    mkdir /dev/cpuctl/fg_boost
47    chown system system /dev/cpuctl/fg_boost/tasks
48    chmod 0777 /dev/cpuctl/fg_boost/tasks
49    write /dev/cpuctl/fg_boost/cpu.shares 1024
50
51    mkdir /dev/cpuctl/bg_non_interactive
52    chown system system /dev/cpuctl/bg_non_interactive/tasks
53    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
54    write /dev/cpuctl/bg_non_interactive/cpu.shares 16
55
56# mount mtd partitions
57    # Mount /system rw first to give the filesystem a chance to save a checkpoint
58    mount yaffs2 mtd@system /system
59    mount yaffs2 mtd@system /system ro remount
60
61    # We chown/chmod /data again so because mount is run as root + defaults
62    mount yaffs2 mtd@userdata /data nosuid nodev
63    chown system system /data
64    chmod 0771 /data
65
66    # Same reason as /data above
67    mount yaffs2 mtd@cache /cache nosuid nodev
68    chown system cache /cache
69    chmod 0770 /cache
70
71    # This may have been created by the recovery system with odd permissions
72    chown system system /cache/recovery
73    chmod 0770 /cache/recovery
74
75# create basic filesystem structure
76    mkdir /data/misc 01771 system misc
77    mkdir /data/misc/hcid 0770 bluetooth bluetooth
78    mkdir /data/misc/keystore 0770 keystore keystore
79    mkdir /data/misc/vpn 0770 system system
80    mkdir /data/misc/vpn/profiles 0770 system system
81    # give system access to wpa_supplicant.conf for backup and restore
82    mkdir /data/misc/wifi 0770 wifi wifi
83    chmod 0770 /data/misc/wifi
84    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
85    mkdir /data/local 0771 shell shell
86    mkdir /data/local/tmp 0771 shell shell
87    mkdir /data/data 0771 system system
88    mkdir /data/app-private 0771 system system
89    mkdir /data/app 0771 system system
90    mkdir /data/property 0700 root root
91
92    # create dalvik-cache and double-check the perms
93    mkdir /data/dalvik-cache 0771 system system
94    chown system system /data/dalvik-cache
95    chmod 0771 /data/dalvik-cache
96
97    # create the lost+found directories, so as to enforce our permissions
98    mkdir /data/lost+found 0770
99    mkdir /cache/lost+found 0770
100
101    # double check the perms, in case lost+found already exists, and set owner
102    chown root root /data/lost+found
103    chmod 0770 /data/lost+found
104    chown root root /cache/lost+found
105    chmod 0770 /cache/lost+found
106
107on boot
108# basic network init
109    ifup lo
110    hostname localhost
111    domainname localdomain
112
113# set RLIMIT_NICE to allow priorities from 19 to -20
114    setrlimit 13 40 40
115
116# Define the oom_adj values for the classes of processes that can be
117# killed by the kernel.  These are used in ActivityManagerService.
118    setprop ro.FOREGROUND_APP_ADJ 0
119    setprop ro.VISIBLE_APP_ADJ 1
120    setprop ro.SECONDARY_SERVER_ADJ 2
121    setprop ro.BACKUP_APP_ADJ 2
122    setprop ro.HOME_APP_ADJ 4
123    setprop ro.HIDDEN_APP_MIN_ADJ 7
124    setprop ro.CONTENT_PROVIDER_ADJ 14
125    setprop ro.EMPTY_APP_ADJ 15
126
127# Define the memory thresholds at which the above process classes will
128# be killed.  These numbers are in pages (4k).
129    setprop ro.FOREGROUND_APP_MEM 1536
130    setprop ro.VISIBLE_APP_MEM 2048
131    setprop ro.SECONDARY_SERVER_MEM 4096
132    setprop ro.BACKUP_APP_MEM 4096
133    setprop ro.HOME_APP_MEM 4096
134    setprop ro.HIDDEN_APP_MEM 5120
135    setprop ro.CONTENT_PROVIDER_MEM 5632
136    setprop ro.EMPTY_APP_MEM 6144
137
138# Write value must be consistent with the above properties.
139# Note that the driver only supports 6 slots, so we have HOME_APP at the
140# same memory level as services.
141    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
142
143    write /proc/sys/vm/overcommit_memory 1
144    write /proc/sys/vm/min_free_order_shift 4
145    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
146
147    # Set init its forked children's oom_adj.
148    write /proc/1/oom_adj -16
149
150    # Permissions for System Server and daemons.
151    chown radio system /sys/android_power/state
152    chown radio system /sys/android_power/request_state
153    chown radio system /sys/android_power/acquire_full_wake_lock
154    chown radio system /sys/android_power/acquire_partial_wake_lock
155    chown radio system /sys/android_power/release_wake_lock
156    chown radio system /sys/power/state
157    chown radio system /sys/power/wake_lock
158    chown radio system /sys/power/wake_unlock
159    chmod 0660 /sys/power/state
160    chmod 0660 /sys/power/wake_lock
161    chmod 0660 /sys/power/wake_unlock
162    chown system system /sys/class/timed_output/vibrator/enable
163    chown system system /sys/class/leds/keyboard-backlight/brightness
164    chown system system /sys/class/leds/lcd-backlight/brightness
165    chown system system /sys/class/leds/button-backlight/brightness
166    chown system system /sys/class/leds/jogball-backlight/brightness
167    chown system system /sys/class/leds/red/brightness
168    chown system system /sys/class/leds/green/brightness
169    chown system system /sys/class/leds/blue/brightness
170    chown system system /sys/class/leds/red/device/grpfreq
171    chown system system /sys/class/leds/red/device/grppwm
172    chown system system /sys/class/leds/red/device/blink
173    chown system system /sys/class/leds/red/brightness
174    chown system system /sys/class/leds/green/brightness
175    chown system system /sys/class/leds/blue/brightness
176    chown system system /sys/class/leds/red/device/grpfreq
177    chown system system /sys/class/leds/red/device/grppwm
178    chown system system /sys/class/leds/red/device/blink
179    chown system system /sys/class/timed_output/vibrator/enable
180    chown system system /sys/module/sco/parameters/disable_esco
181    chown system system /sys/kernel/ipv4/tcp_wmem_min
182    chown system system /sys/kernel/ipv4/tcp_wmem_def
183    chown system system /sys/kernel/ipv4/tcp_wmem_max
184    chown system system /sys/kernel/ipv4/tcp_rmem_min
185    chown system system /sys/kernel/ipv4/tcp_rmem_def
186    chown system system /sys/kernel/ipv4/tcp_rmem_max
187    chown root radio /proc/cmdline
188
189# Define TCP buffer sizes for various networks
190#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
191    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
192    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
193    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
194    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
195    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
196
197    class_start default
198
199## Daemon processes to be run by init.
200##
201service console /system/bin/sh
202    console
203
204# adbd is controlled by the persist.service.adb.enable system property
205service adbd /sbin/adbd
206    disabled
207
208# adbd on at boot in emulator
209on property:ro.kernel.qemu=1
210    start adbd
211
212on property:persist.service.adb.enable=1
213    start adbd
214
215on property:persist.service.adb.enable=0
216    stop adbd
217
218service servicemanager /system/bin/servicemanager
219    user system
220    critical
221    onrestart restart zygote
222    onrestart restart media
223
224service vold /system/bin/vold
225    socket vold stream 0660 root mount
226
227service nexus /system/bin/nexus
228    socket nexus stream 0660 root system
229    disabled
230
231#service mountd /system/bin/mountd
232#    socket mountd stream 0660 root mount
233
234service debuggerd /system/bin/debuggerd
235
236service ril-daemon /system/bin/rild
237    socket rild stream 660 root radio
238    socket rild-debug stream 660 radio system
239    user root
240    group radio cache inet misc
241
242service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
243    socket zygote stream 666
244    onrestart write /sys/android_power/request_state wake
245    onrestart write /sys/power/state on
246
247service media /system/bin/mediaserver
248    user media
249    group system audio camera graphics inet net_bt net_bt_admin
250
251service bootsound /system/bin/playmp3
252    user media
253    group audio
254    oneshot
255
256service bootanim /system/bin/bootanimation
257    user graphics
258    group graphics
259    disabled
260    oneshot
261
262service dbus /system/bin/dbus-daemon --system --nofork
263    socket dbus stream 660 bluetooth bluetooth
264    user bluetooth
265    group bluetooth net_bt_admin
266
267service hcid /system/bin/hcid -s -n -f /etc/bluez/hcid.conf
268    socket bluetooth stream 660 bluetooth bluetooth
269    socket dbus_bluetooth stream 660 bluetooth bluetooth
270    # init.rc does not yet support applying capabilities, so run as root and
271    # let hcid drop uid to bluetooth with the right linux capabilities
272    group bluetooth net_bt_admin misc
273    disabled
274
275service hfag /system/bin/sdptool add --channel=10 HFAG
276    user bluetooth
277    group bluetooth net_bt_admin
278    disabled
279    oneshot
280
281service hsag /system/bin/sdptool add --channel=11 HSAG
282    user bluetooth
283    group bluetooth net_bt_admin
284    disabled
285    oneshot
286
287service installd /system/bin/installd
288    socket installd stream 600 system system
289
290service flash_recovery /system/etc/install-recovery.sh
291    oneshot
292
293service racoon /system/bin/racoon
294    socket racoon stream 600 system system
295    # racoon will setuid to vpn after getting necessary resources.
296    group net_admin keystore
297    disabled
298    oneshot
299
300service mtpd /system/bin/mtpd
301    socket mtpd stream 600 system system
302    user vpn
303    group vpn net_admin net_raw
304    disabled
305    oneshot
306
307service keystore /system/bin/keystore
308    user keystore
309    group keystore
310    socket keystore stream 666
311
312