摘要:本文将带你了解Android应用开发com.android.server.Watchdog.java,希望本文对大家学Android有所帮助。
本文将带你了解Android应用开发com.android.server.Watchdog.java,希望本文对大家学Android有所帮助。
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server;
import android.app.IActivityController;
import android.os.Binder;
import android.os.RemoteException;
import com.android.server.am.ActivityManagerService;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Debug;
import android.os.Handler;
import android.os.IPowerManager;
import android.os.Looper;
import android.os.Process;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.util.EventLog;
import android.util.Log;
import android.util.Slog;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
/** This class calls its monitor every minute. Killing this process if they don't return **/
public class Watchdog extends Thread {
static final String TAG = "Watchdog";
static final boolean localLOGV = false || false;
// Set this to true to use debug default values.
static final boolean DB = false;
// Set this to true to have the watchdog record kernel thread stacks when it fires
static final boolean RECORD_KERNEL_THREADS = true;
static final long DEFAULT_TIMEOUT = DB ? 10*1000 : 60*1000;
static final long CHECK_INTERVAL = DEFAULT_TIMEOUT / 2;
// These are temporally ordered: larger values as lateness increases
static final int COMPLETED = 0;
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