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SubjectRe: [PATCH 1/8] PM: Opportunistic suspend support.
2010/5/26 Peter Zijlstra <>:
> On Wed, 2010-05-26 at 03:17 -0700, Arve Hjønnevåg wrote:
>> > With a single suspend manager process that manages the suspend state you
>> > can achieve the same goal.
>> >
>> Yes we don't need the /dev interface, but it is useful. Without it any
>> program that needs to block suspend has to make a blocking ipc call
>> into the suspend manager process. Android already does this for java
>> code, but system processes written in C block suspend directly with
>> the kernel since they cannot use the java APIs.
> So provide a C interface to it as well?

We could, but the result would be that any program that needs to block
suspend has to be android specific.

> Surely you can have the java thing have a unix socket or something a C
> app can talk to. That shouldn't be hard at all.
> Or make the suspend manager a C proglet and provide a JNI interface, or
> whatever.

Arve Hjønnevåg
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