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init README: document AIDL service interface 

There is documentation for how AIDL works with ctl commands or
interface_start commands, however it seems we were missing documentation
on declaration of interfaces.

Bug: N/A
Test: N/A
Change-Id: I0e5d2350b6b847a870eafbc69828e75f1f6ca4f0
This commit is contained in:
Steven Moreland 2020-07-10 17:53:18 +00:00
parent c8e4154d89
commit fa2457e1cd
1 changed files with 8 additions and 5 deletions
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init/README.md
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@ -197,11 +197,14 @@ runs the service.
Currently defaults to root. (??? probably should default to nobody)
`interface <interface name> <instance name>`
> Associates this service with a list of the HIDL services that it provides. The interface name
must be a fully-qualified name and not a value name. For instance, this is used to allow
hwservicemanager to lazily start services. When multiple interfaces are served, this tag should
be used multiple times.
For example: interface vendor.foo.bar@1.0::IBaz default
> Associates this service with a list of the AIDL or HIDL services that it provides. The interface
name must be a fully-qualified name and not a value name. For instance, this is used to allow
servicemanager or hwservicemanager to lazily start services. When multiple interfaces are served,
this tag should be used multiple times. An example of an entry for a HIDL
interface is `interface vendor.foo.bar@1.0::IBaz default`. For an AIDL interface, use
`interface aidl <instance name>`. The instance name for an AIDL interface is
whatever is registered with servicemanager, and these can be listed with `adb
shell dumpsys -l`.
`ioprio <class> <priority>`
> Sets the IO priority and IO priority class for this service via the SYS_ioprio_set syscall.