init.rc revision ee40fc4e64e1656a16603778bee895ea389ec7d5 
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    # 5.0 %
55    write /dev/cpuctl/bg_non_interactive/cpu.shares 52
56
57# mount mtd partitions
58    # Mount /system rw first to give the filesystem a chance to save a checkpoint
59    mount yaffs2 mtd@system /system
60    mount yaffs2 mtd@system /system ro remount
61
62    # We chown/chmod /data again so because mount is run as root + defaults
63    mount yaffs2 mtd@userdata /data nosuid nodev
64    chown system system /data
65    chmod 0771 /data
66
67    # Same reason as /data above
68    mount yaffs2 mtd@cache /cache nosuid nodev
69    chown system cache /cache
70    chmod 0770 /cache
71
72    # This may have been created by the recovery system with odd permissions
73    chown system system /cache/recovery
74    chmod 0770 /cache/recovery
75
76# create basic filesystem structure
77    mkdir /data/misc 01771 system misc
78    mkdir /data/misc/hcid 0770 bluetooth bluetooth
79    mkdir /data/misc/keystore 0770 keystore keystore
80    mkdir /data/misc/vpn 0770 system system
81    mkdir /data/misc/vpn/profiles 0770 system system
82    # give system access to wpa_supplicant.conf for backup and restore
83    mkdir /data/misc/wifi 0770 wifi wifi
84    chmod 0770 /data/misc/wifi
85    chmod 0660 /data/misc/wifi/wpa_supplicant.conf
86    mkdir /data/local 0771 shell shell
87    mkdir /data/local/tmp 0771 shell shell
88    mkdir /data/data 0771 system system
89    mkdir /data/app-private 0771 system system
90    mkdir /data/app 0771 system system
91    mkdir /data/property 0700 root root
92
93    # create dalvik-cache and double-check the perms
94    mkdir /data/dalvik-cache 0771 system system
95    chown system system /data/dalvik-cache
96    chmod 0771 /data/dalvik-cache
97
98    # create the lost+found directories, so as to enforce our permissions
99    mkdir /data/lost+found 0770
100    mkdir /cache/lost+found 0770
101
102    # double check the perms, in case lost+found already exists, and set owner
103    chown root root /data/lost+found
104    chmod 0770 /data/lost+found
105    chown root root /cache/lost+found
106    chmod 0770 /cache/lost+found
107
108on boot
109# basic network init
110    ifup lo
111    hostname localhost
112    domainname localdomain
113
114# set RLIMIT_NICE to allow priorities from 19 to -20
115    setrlimit 13 40 40
116
117# Define the oom_adj values for the classes of processes that can be
118# killed by the kernel.  These are used in ActivityManagerService.
119    setprop ro.FOREGROUND_APP_ADJ 0
120    setprop ro.VISIBLE_APP_ADJ 1
121    setprop ro.SECONDARY_SERVER_ADJ 2
122    setprop ro.BACKUP_APP_ADJ 2
123    setprop ro.HOME_APP_ADJ 4
124    setprop ro.HIDDEN_APP_MIN_ADJ 7
125    setprop ro.CONTENT_PROVIDER_ADJ 14
126    setprop ro.EMPTY_APP_ADJ 15
127
128# Define the memory thresholds at which the above process classes will
129# be killed.  These numbers are in pages (4k).
130    setprop ro.FOREGROUND_APP_MEM 1536
131    setprop ro.VISIBLE_APP_MEM 2048
132    setprop ro.SECONDARY_SERVER_MEM 4096
133    setprop ro.BACKUP_APP_MEM 4096
134    setprop ro.HOME_APP_MEM 4096
135    setprop ro.HIDDEN_APP_MEM 5120
136    setprop ro.CONTENT_PROVIDER_MEM 5632
137    setprop ro.EMPTY_APP_MEM 6144
138
139# Write value must be consistent with the above properties.
140# Note that the driver only supports 6 slots, so we have HOME_APP at the
141# same memory level as services.
142    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
143
144    write /proc/sys/vm/overcommit_memory 1
145    write /proc/sys/vm/min_free_order_shift 4
146    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
147
148    # Set init its forked children's oom_adj.
149    write /proc/1/oom_adj -16
150
151    # Permissions for System Server and daemons.
152    chown radio system /sys/android_power/state
153    chown radio system /sys/android_power/request_state
154    chown radio system /sys/android_power/acquire_full_wake_lock
155    chown radio system /sys/android_power/acquire_partial_wake_lock
156    chown radio system /sys/android_power/release_wake_lock
157    chown radio system /sys/power/state
158    chown radio system /sys/power/wake_lock
159    chown radio system /sys/power/wake_unlock
160    chmod 0660 /sys/power/state
161    chmod 0660 /sys/power/wake_lock
162    chmod 0660 /sys/power/wake_unlock
163    chown system system /sys/class/timed_output/vibrator/enable
164    chown system system /sys/class/leds/keyboard-backlight/brightness
165    chown system system /sys/class/leds/lcd-backlight/brightness
166    chown system system /sys/class/leds/button-backlight/brightness
167    chown system system /sys/class/leds/jogball-backlight/brightness
168    chown system system /sys/class/leds/red/brightness
169    chown system system /sys/class/leds/green/brightness
170    chown system system /sys/class/leds/blue/brightness
171    chown system system /sys/class/leds/red/device/grpfreq
172    chown system system /sys/class/leds/red/device/grppwm
173    chown system system /sys/class/leds/red/device/blink
174    chown system system /sys/class/leds/red/brightness
175    chown system system /sys/class/leds/green/brightness
176    chown system system /sys/class/leds/blue/brightness
177    chown system system /sys/class/leds/red/device/grpfreq
178    chown system system /sys/class/leds/red/device/grppwm
179    chown system system /sys/class/leds/red/device/blink
180    chown system system /sys/class/timed_output/vibrator/enable
181    chown system system /sys/module/sco/parameters/disable_esco
182    chown system system /sys/kernel/ipv4/tcp_wmem_min
183    chown system system /sys/kernel/ipv4/tcp_wmem_def
184    chown system system /sys/kernel/ipv4/tcp_wmem_max
185    chown system system /sys/kernel/ipv4/tcp_rmem_min
186    chown system system /sys/kernel/ipv4/tcp_rmem_def
187    chown system system /sys/kernel/ipv4/tcp_rmem_max
188    chown root radio /proc/cmdline
189
190# Define TCP buffer sizes for various networks
191#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
192    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
193    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
194    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
195    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
196    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
197
198    class_start default
199
200## Daemon processes to be run by init.
201##
202service console /system/bin/sh
203    console
204
205# adbd is controlled by the persist.service.adb.enable system property
206service adbd /sbin/adbd
207    disabled
208
209# adbd on at boot in emulator
210on property:ro.kernel.qemu=1
211    start adbd
212
213on property:persist.service.adb.enable=1
214    start adbd
215
216on property:persist.service.adb.enable=0
217    stop adbd
218
219service servicemanager /system/bin/servicemanager
220    user system
221    critical
222    onrestart restart zygote
223    onrestart restart media
224
225service vold /system/bin/vold
226    socket vold stream 0660 root mount
227
228service nexus /system/bin/nexus
229    socket nexus stream 0660 root system
230    disabled
231
232#service mountd /system/bin/mountd
233#    socket mountd stream 0660 root mount
234
235service debuggerd /system/bin/debuggerd
236
237service ril-daemon /system/bin/rild
238    socket rild stream 660 root radio
239    socket rild-debug stream 660 radio system
240    user root
241    group radio cache inet misc
242
243service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
244    socket zygote stream 666
245    onrestart write /sys/android_power/request_state wake
246    onrestart write /sys/power/state on
247
248service media /system/bin/mediaserver
249    user media
250    group system audio camera graphics inet net_bt net_bt_admin
251
252service bootsound /system/bin/playmp3
253    user media
254    group audio
255    oneshot
256
257service bootanim /system/bin/bootanimation
258    user graphics
259    group graphics
260    disabled
261    oneshot
262
263service dbus /system/bin/dbus-daemon --system --nofork
264    socket dbus stream 660 bluetooth bluetooth
265    user bluetooth
266    group bluetooth net_bt_admin
267
268service hcid /system/bin/hcid -s -n -f /etc/bluez/hcid.conf
269    socket bluetooth stream 660 bluetooth bluetooth
270    socket dbus_bluetooth stream 660 bluetooth bluetooth
271    # init.rc does not yet support applying capabilities, so run as root and
272    # let hcid drop uid to bluetooth with the right linux capabilities
273    group bluetooth net_bt_admin misc
274    disabled
275
276service hfag /system/bin/sdptool add --channel=10 HFAG
277    user bluetooth
278    group bluetooth net_bt_admin
279    disabled
280    oneshot
281
282service hsag /system/bin/sdptool add --channel=11 HSAG
283    user bluetooth
284    group bluetooth net_bt_admin
285    disabled
286    oneshot
287
288service installd /system/bin/installd
289    socket installd stream 600 system system
290
291service flash_recovery /system/etc/install-recovery.sh
292    oneshot
293
294service racoon /system/bin/racoon
295    socket racoon stream 600 system system
296    # racoon will setuid to vpn after getting necessary resources.
297    group net_admin keystore
298    disabled
299    oneshot
300
301service mtpd /system/bin/mtpd
302    socket mtpd stream 600 system system
303    user vpn
304    group vpn net_admin net_raw
305    disabled
306    oneshot
307
308service keystore /system/bin/keystore
309    user keystore
310    group keystore
311    socket keystore stream 666
312
313