commit 8341526d99b3fc2afcc4301049b4b0d9540a6f93
author Makoto Onuki <omakoto@google.com> Thu Feb 14 15:37:20 2019 -0800
committer Makoto Onuki <omakoto@google.com> Thu Feb 14 15:43:12 2019 -0800
tree 9c57947c5767de2c409c608b50052500a73bd014
parent dbc9708897b7043a3ea7d8fe8db48da0fdd4cc0d

Add BackgroundThread as Executor directly.

Bug: 123774494
Test: atest AppBindingHostTest

Change-Id: I12715f4b2dd444f1d9b1a5a53ae385af497fb52d

services/core/java/com/android/server/FgThread.java

diff --git a/services/core/java/com/android/server/FgThread.java b/services/core/java/com/android/server/FgThread.java
index fe30057..5d0e308 100644
--- a/services/core/java/com/android/server/FgThread.java
+++ b/services/core/java/com/android/server/FgThread.java
@@ -17,9 +17,12 @@
 package com.android.server;
 
 import android.os.Handler;
+import android.os.HandlerExecutor;
 import android.os.Looper;
 import android.os.Trace;
 
+import java.util.concurrent.Executor;
+
 /**
  * Shared singleton foreground thread for the system.  This is a thread for regular
  * foreground service operations, which shouldn't be blocked by anything running in
@@ -34,6 +37,7 @@
 
     private static FgThread sInstance;
     private static Handler sHandler;
+    private static HandlerExecutor sHandlerExecutor;
 
     private FgThread() {
         super("android.fg", android.os.Process.THREAD_PRIORITY_DEFAULT, true /*allowIo*/);
@@ -48,6 +52,7 @@
             looper.setSlowLogThresholdMs(
                     SLOW_DISPATCH_THRESHOLD_MS, SLOW_DELIVERY_THRESHOLD_MS);
             sHandler = new Handler(sInstance.getLooper());
+            sHandlerExecutor = new HandlerExecutor(sHandler);
         }
     }
 
@@ -64,4 +69,11 @@
             return sHandler;
         }
     }
+
+    public static Executor getExecutor() {
+        synchronized (FgThread.class) {
+            ensureThreadLocked();
+            return sHandlerExecutor;
+        }
+    }
 }