Android8.1#rild初始化时序图

main

守护进程开机启动service ril-daemon /vendor/bin/hw/rild -l /vendor/lib64/libreference-ril-wnc.so -- -d /dev/ttyUSB1    class main    socket rild stream 777 root radio    socket rild-debug stream 777 radio system    user root    group system radio cache inet misc audio log readproc wakelock oem_2901    capabilities BLOCK_SUSPEND NET_ADMIN NET_RAW SYS_TIME    disabledon property:init.svc.mald=running    start ril-daemon

1

ril_event_init

RIL_register

processLine

ril_event.cpp

mainLoop

atchanel.c

at_open

RIL_onUnsolicitedResponse

referenc-ril.c

processTimeouts

ril.cpp

setRadioState

2

RILD初始化过程

firePending

rild.rc

registerService

设置如下两种状态：1.RADIO_STATE_OFF2.RADIO_STATE_ON当状态RADIO_STATE_ON的情况，RILJ会开始注册网络->调用DcTacker的方法onRadioAvailable

processReadReadies

initializeCallback

RIL_Init

eventLoop

at_send_command

rild.c

readerLoop

3

RIL_startEventLoop

ril_service.cpp

ril_event_loop

s_unsolHandler