1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server; 18 19import android.os.HandlerThread; 20import android.os.Process; 21import android.os.StrictMode; 22import android.util.Slog; 23 24/** 25 * Special handler thread that we create for system services that require their own loopers. 26 */ 27public class ServiceThread extends HandlerThread { 28 private static final String TAG = "ServiceThread"; 29 30 private final boolean mAllowIo; 31 32 public ServiceThread(String name, int priority, boolean allowIo) { 33 super(name, priority); 34 mAllowIo = allowIo; 35 } 36 37 @Override 38 public void run() { 39 Process.setCanSelfBackground(false); 40 41 // For debug builds, log event loop stalls to dropbox for analysis. 42 if (!mAllowIo && StrictMode.conditionallyEnableDebugLogging()) { 43 Slog.i(TAG, "Enabled StrictMode logging for " + getName() + " looper."); 44 } 45 46 super.run(); 47 } 48}