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Commit 75c6078c authored by Srinath Sridharan's avatar Srinath Sridharan Committed by android-build-merger
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Merge \"Add a new API to improve VR thread scheduling.\" into nyc-mr1-dev 

am: 5e261441

Change-Id: Ie7c734ca22abad05a4f0800a1dba9553eb7cbfef
parents 83a8bdb8 5e261441

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -3705,6 +3705,7 @@ package android.app { 
    method public void moveTaskToFront(int, int);

    method public void moveTaskToFront(int, int, android.os.Bundle);

    method public deprecated void restartPackage(java.lang.String);

    method public static void setVrThread(int);

    method public void setWatchHeapLimit(long);

    field public static final java.lang.String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT";

    field public static final int LOCK_TASK_MODE_LOCKED = 1; // 0x1

api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -3841,6 +3841,7 @@ package android.app { 
    method public void moveTaskToFront(int, int);

    method public void moveTaskToFront(int, int, android.os.Bundle);

    method public deprecated void restartPackage(java.lang.String);

    method public static void setVrThread(int);

    method public void setWatchHeapLimit(long);

    field public static final java.lang.String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT";

    field public static final int LOCK_TASK_MODE_LOCKED = 1; // 0x1

api/test-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -3705,6 +3705,7 @@ package android.app { 
    method public void moveTaskToFront(int, int);

    method public void moveTaskToFront(int, int, android.os.Bundle);

    method public deprecated void restartPackage(java.lang.String);

    method public static void setVrThread(int);

    method public void setWatchHeapLimit(long);

    field public static final java.lang.String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT";

    field public static final int LOCK_TASK_MODE_LOCKED = 1; // 0x1

core/java/android/app/ActivityManager.java

+18 −0
Original line number Diff line number Diff line
@@ -3624,6 +3624,24 @@ public class ActivityManager { 
        }

    }



    /**

     * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads. Only one

     * thread can be a VR thread in a process at a time, and that thread may be subject to

     * restrictions on the amount of time it can run.

     *

     * To reset the VR thread for an application, a tid of 0 can be passed.

     *

     * @see android.os.Process#myTid()

     * @param tid tid of the VR thread

     */

    public static void setVrThread(int tid) {

        try {

            ActivityManagerNative.getDefault().setVrThread(tid);

        } catch (RemoteException e) {

            // pass

        }

    }



    /**

     * The AppTask allows you to manage your own application's tasks.

     * See {@link android.app.ActivityManager#getAppTasks()}

core/java/android/app/ActivityManagerNative.java

+21 −0
Original line number Diff line number Diff line
@@ -2996,6 +2996,13 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM 
            reply.writeInt(result);

            return true;

        }

        case SET_VR_THREAD_TRANSACTION: {

            data.enforceInterface(IActivityManager.descriptor);

            final int tid = data.readInt();

            setVrThread(tid);

            reply.writeNoException();

            return true;

        }

        }



        return super.onTransact(code, data, reply, flags);
@@ -7031,5 +7038,19 @@ class ActivityManagerProxy implements IActivityManager 
        return res;

    }



    @Override

    public void setVrThread(int tid)

            throws RemoteException {

        Parcel data = Parcel.obtain();

        Parcel reply = Parcel.obtain();

        data.writeInterfaceToken(IActivityManager.descriptor);

        data.writeInt(tid);

        mRemote.transact(SET_VR_THREAD_TRANSACTION, data, reply, 0);

        reply.readException();

        data.recycle();

        reply.recycle();

        return;

    }



    private IBinder mRemote;

}