init.rc revision 8b2cf9f04b924f299d2d250ae4d6826627847842
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
37# Create cgroup mount points for process groups
38    mkdir /dev/cpuctl
39    mount cgroup none /dev/cpuctl cpu
40    chown sytem system /dev/cpuctl
41    chown system system /dev/cpuctl/tasks
42    chmod 0777 /dev/cpuctl/tasks
43    write /dev/cpuctl/cpu.shares 1024
44
45    mkdir /dev/cpuctl/fg_boost
46    chown system system /dev/cpuctl/fg_boost/tasks
47    chmod 0777 /dev/cpuctl/fg_boost/tasks
48    write /dev/cpuctl/fg_boost/cpu.shares 1024
49
50    mkdir /dev/cpuctl/bg_non_interactive
51    chown system system /dev/cpuctl/bg_non_interactive/tasks
52    chmod 0777 /dev/cpuctl/bg_non_interactive/tasks
53    write /dev/cpuctl/bg_non_interactive/cpu.shares 1024
54
55# mount mtd partitions
56    # Mount /system rw first to give the filesystem a chance to save a checkpoint
57    mount yaffs2 mtd@system /system 
58    mount yaffs2 mtd@system /system ro remount
59
60    # We chown/chmod /data again so because mount is run as root + defaults
61    mount yaffs2 mtd@userdata /data nosuid nodev
62    chown system system /data
63    chmod 0771 /data
64
65    # Same reason as /data above
66    mount yaffs2 mtd@cache /cache nosuid nodev
67    chown system cache /cache
68    chmod 0770 /cache
69
70    # This may have been created by the recovery system with odd permissions
71    chown system system /cache/recovery
72    chmod 0770 /cache/recovery
73
74# create basic filesystem structure
75    mkdir /data/misc 01771 system misc
76    mkdir /data/misc/hcid 0770 bluetooth bluetooth
77    mkdir /data/local 0771 shell shell
78    mkdir /data/local/tmp 0771 shell shell
79    mkdir /data/data 0771 system system
80    mkdir /data/app-private 0771 system system
81    mkdir /data/app 0771 system system
82    mkdir /data/property 0700 root root
83
84    # create dalvik-cache and double-check the perms
85    mkdir /data/dalvik-cache 0771 system system
86    chown system system /data/dalvik-cache
87    chmod 0771 /data/dalvik-cache
88
89    # create the lost+found directories, so as to enforce our permissions
90    mkdir /data/lost+found 0770
91    mkdir /cache/lost+found 0770
92
93    # double check the perms, in case lost+found already exists, and set owner
94    chown root root /data/lost+found
95    chmod 0770 /data/lost+found
96    chown root root /cache/lost+found
97    chmod 0770 /cache/lost+found
98
99on boot
100# basic network init
101    ifup lo
102    hostname localhost
103    domainname localdomain
104
105# set RLIMIT_NICE to allow priorities from 19 to -20
106    setrlimit 13 40 40
107
108# Set timeout value for rmnet stats.
109    write /sys/devices/virtual/net/rmnet0/timeout_suspend 5000000
110
111# Define the oom_adj values for the classes of processes that can be
112# killed by the kernel.  These are used in ActivityManagerService.
113    setprop ro.FOREGROUND_APP_ADJ 0
114    setprop ro.VISIBLE_APP_ADJ 1
115    setprop ro.SECONDARY_SERVER_ADJ 2
116    setprop ro.HOME_APP_ADJ 4
117    setprop ro.HIDDEN_APP_MIN_ADJ 7
118    setprop ro.CONTENT_PROVIDER_ADJ 14
119    setprop ro.EMPTY_APP_ADJ 15
120
121# Define the memory thresholds at which the above process classes will
122# be killed.  These numbers are in pages (4k).
123    setprop ro.FOREGROUND_APP_MEM 1536
124    setprop ro.VISIBLE_APP_MEM 2048
125    setprop ro.SECONDARY_SERVER_MEM 4096
126    setprop ro.HOME_APP_MEM 4096
127    setprop ro.HIDDEN_APP_MEM 5120
128    setprop ro.CONTENT_PROVIDER_MEM 5632
129    setprop ro.EMPTY_APP_MEM 6144
130
131# Write value must be consistent with the above properties.
132# Note that the driver only supports 6 slots, so we have HOME_APP at the
133# same memory level as services.
134    write /sys/module/lowmemorykiller/parameters/adj 0,1,2,7,14,15
135
136    write /proc/sys/vm/overcommit_memory 1
137    write /proc/sys/vm/min_free_order_shift 4
138    write /sys/module/lowmemorykiller/parameters/minfree 1536,2048,4096,5120,5632,6144
139
140    # Set init its forked children's oom_adj.
141    write /proc/1/oom_adj -16
142
143    # Permissions for System Server and daemons.
144    chown radio system /sys/android_power/state
145    chown radio system /sys/android_power/request_state
146    chown radio system /sys/android_power/acquire_full_wake_lock
147    chown radio system /sys/android_power/acquire_partial_wake_lock
148    chown radio system /sys/android_power/release_wake_lock
149    chown radio system /sys/power/state
150    chown radio system /sys/power/wake_lock
151    chown radio system /sys/power/wake_unlock
152    chmod 0660 /sys/power/state
153    chmod 0660 /sys/power/wake_lock
154    chmod 0660 /sys/power/wake_unlock
155    chown system system /sys/class/timed_output/vibrator/enable
156    chown system system /sys/class/leds/keyboard-backlight/brightness
157    chown system system /sys/class/leds/lcd-backlight/brightness
158    chown system system /sys/class/leds/button-backlight/brightness
159    chown system system /sys/class/leds/jogball-backlight/brightness
160    chown system system /sys/class/leds/red/brightness
161    chown system system /sys/class/leds/green/brightness
162    chown system system /sys/class/leds/blue/brightness
163    chown system system /sys/class/leds/red/device/grpfreq
164    chown system system /sys/class/leds/red/device/grppwm
165    chown system system /sys/class/leds/red/device/blink
166    chown system system /sys/class/leds/red/brightness
167    chown system system /sys/class/leds/green/brightness
168    chown system system /sys/class/leds/blue/brightness
169    chown system system /sys/class/leds/red/device/grpfreq
170    chown system system /sys/class/leds/red/device/grppwm
171    chown system system /sys/class/leds/red/device/blink
172    chown system system /sys/class/timed_output/vibrator/enable
173    chown system system /sys/module/sco/parameters/disable_esco
174    chown system system /sys/kernel/ipv4/tcp_wmem_min
175    chown system system /sys/kernel/ipv4/tcp_wmem_def
176    chown system system /sys/kernel/ipv4/tcp_wmem_max
177    chown system system /sys/kernel/ipv4/tcp_rmem_min
178    chown system system /sys/kernel/ipv4/tcp_rmem_def
179    chown system system /sys/kernel/ipv4/tcp_rmem_max
180    chown root radio /proc/cmdline
181
182# Define TCP buffer sizes for various networks
183#   ReadMin, ReadInitial, ReadMax, WriteMin, WriteInitial, WriteMax,
184    setprop net.tcp.buffersize.default 4096,87380,110208,4096,16384,110208
185    setprop net.tcp.buffersize.wifi    4095,87380,110208,4096,16384,110208
186    setprop net.tcp.buffersize.umts    4094,87380,110208,4096,16384,110208
187    setprop net.tcp.buffersize.edge    4093,26280,35040,4096,16384,35040
188    setprop net.tcp.buffersize.gprs    4092,8760,11680,4096,8760,11680
189
190    class_start default
191
192## Daemon processes to be run by init.
193##
194service console /system/bin/sh
195    console
196
197# adbd is controlled by the persist.service.adb.enable system property
198service adbd /sbin/adbd
199    disabled
200
201# adbd on at boot in emulator
202on property:ro.kernel.qemu=1
203    start adbd
204
205on property:persist.service.adb.enable=1
206    start adbd
207
208on property:persist.service.adb.enable=0
209    stop adbd
210
211service servicemanager /system/bin/servicemanager
212    user system
213    critical
214    onrestart restart zygote
215    onrestart restart media
216
217service vold /system/bin/vold
218    socket vold stream 0660 root mount
219
220service nexus /system/bin/nexus
221    socket nexus stream 0660 root system
222    disabled
223
224#service mountd /system/bin/mountd
225#    socket mountd stream 0660 root mount
226
227service debuggerd /system/bin/debuggerd
228
229service ril-daemon /system/bin/rild
230    socket rild stream 660 root radio
231    socket rild-debug stream 660 radio system
232    user root
233    group radio cache inet misc
234
235service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server
236    socket zygote stream 666
237    onrestart write /sys/android_power/request_state wake
238    onrestart write /sys/power/state on
239
240service media /system/bin/mediaserver
241    user media
242    group system audio camera graphics inet net_bt net_bt_admin
243
244service bootsound /system/bin/playmp3
245    user media
246    group audio
247    oneshot
248
249service bootanim /system/bin/bootanimation
250    user graphics
251    group graphics
252    disabled
253    oneshot
254
255service dbus /system/bin/dbus-daemon --system --nofork
256    socket dbus stream 660 bluetooth bluetooth
257    user bluetooth
258    group bluetooth net_bt_admin
259
260service hcid /system/bin/hcid -s -n -f /etc/bluez/hcid.conf
261    socket bluetooth stream 660 bluetooth bluetooth
262    socket dbus_bluetooth stream 660 bluetooth bluetooth
263    # init.rc does not yet support applying capabilities, so run as root and
264    # let hcid drop uid to bluetooth with the right linux capabilities
265    group bluetooth net_bt_admin misc
266    disabled
267
268service hfag /system/bin/sdptool add --channel=10 HFAG
269    user bluetooth
270    group bluetooth net_bt_admin
271    disabled
272    oneshot
273
274service hsag /system/bin/sdptool add --channel=11 HSAG
275    user bluetooth
276    group bluetooth net_bt_admin
277    disabled
278    oneshot
279
280service installd /system/bin/installd
281    socket installd stream 600 system system
282
283service flash_recovery /system/bin/flash_image recovery /system/recovery.img
284    oneshot
285