blob: bce64afd0c5e4f582506b6cf6eeced8db6cc4b91 [file] [log] [blame]
Jeff Brown6f357d32014-01-15 20:40:55 -08001/*
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 */
Jeff Brown4ccb8232014-01-16 22:16:42 -080027public class ServiceThread extends HandlerThread {
Jeff Brown6f357d32014-01-15 20:40:55 -080028 private static final String TAG = "ServiceThread";
29
Jeff Brown4ccb8232014-01-16 22:16:42 -080030 private final boolean mAllowIo;
31
32 public ServiceThread(String name, int priority, boolean allowIo) {
Jeff Brown6f357d32014-01-15 20:40:55 -080033 super(name, priority);
Jeff Brown4ccb8232014-01-16 22:16:42 -080034 mAllowIo = allowIo;
Jeff Brown6f357d32014-01-15 20:40:55 -080035 }
36
37 @Override
38 public void run() {
39 Process.setCanSelfBackground(false);
40
41 // For debug builds, log event loop stalls to dropbox for analysis.
Jeff Brown4ccb8232014-01-16 22:16:42 -080042 if (!mAllowIo && StrictMode.conditionallyEnableDebugLogging()) {
Jeff Brown6f357d32014-01-15 20:40:55 -080043 Slog.i(TAG, "Enabled StrictMode logging for " + getName() + " looper.");
44 }
45
46 super.run();
47 }
48}