19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.internal.os; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.ActivityManagerNative; 2035980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Roweimport android.app.ActivityThread; 21b7f0367cec1c744aa66ef397b0244e25d507491cDan Egnorimport android.app.ApplicationErrorReport; 22b7f0367cec1c744aa66ef397b0244e25d507491cDan Egnorimport android.os.Build; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.IBinder; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Process; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemProperties; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 28c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackbornimport android.util.Slog; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.logging.AndroidConfig; 308568db534118fc14cc28100306d51626464ff319Jesse Wilsonimport com.android.server.NetworkManagementSocketTagger; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport dalvik.system.VMRuntime; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Method; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Modifier; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.TimeZone; 358568db534118fc14cc28100306d51626464ff319Jesse Wilsonimport java.util.logging.LogManager; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.luni.internal.util.TimezoneGetter; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Main entry point for runtime initialization. Not for 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * public consumption. 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class RuntimeInit { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "AndroidRuntime"; 45ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown private final static boolean DEBUG = false; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** true if commonInit() has been called */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static boolean initialized; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5060d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor private static IBinder mApplicationObject; 5160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 5260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor private static volatile boolean mCrashing = false; 5360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 5416f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown private static final native void nativeZygoteInit(); 5516f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown private static final native void nativeFinishInit(); 564280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown private static final native void nativeSetExitWithoutCleanup(boolean exitWithoutCleanup); 5716f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Use this to log a message when a thread exits due to an uncaught 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exception. The framework catches these for the main threads, so 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this should only matter for threads created by applications. 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class UncaughtHandler implements Thread.UncaughtExceptionHandler { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void uncaughtException(Thread t, Throwable e) { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6660d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // Don't re-enter -- avoid infinite loops if crash-reporting crashes. 6760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor if (mCrashing) return; 6860d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor mCrashing = true; 6960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 7060d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor if (mApplicationObject == null) { 71c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "*** FATAL EXCEPTION IN SYSTEM PROCESS: " + t.getName(), e); 7260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } else { 7335980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe StringBuilder message = new StringBuilder(); 7435980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe message.append("FATAL EXCEPTION: ").append(t.getName()).append("\n"); 7535980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe final String processName = ActivityThread.currentProcessName(); 7635980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe if (processName != null) { 7735980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe message.append("Process: ").append(processName).append(", "); 7835980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe } 7935980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe message.append("PID: ").append(Process.myPid()); 8035980b2cf51c06c1bdad66b7f8fb629d9c17052fEric Rowe Slog.e(TAG, message.toString(), e); 8160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } 8260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 8360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // Bring up crash dialog, wait for it to be dismissed 8460d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor ActivityManagerNative.getDefault().handleApplicationCrash( 8560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor mApplicationObject, new ApplicationErrorReport.CrashInfo(e)); 8660d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } catch (Throwable t2) { 8760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor try { 88c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "Error reporting crash", t2); 8960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } catch (Throwable t3) { 90c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn // Even Slog.e() fails! Oh well. 9160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } 9260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } finally { 9360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // Try everything to make sure this process goes away. 9460d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor Process.killProcess(Process.myPid()); 9560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor System.exit(10); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final void commonInit() { 101ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "Entered RuntimeInit!"); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* set default handler; this applies to all threads in the VM */ 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Thread.setDefaultUncaughtExceptionHandler(new UncaughtHandler()); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Install a TimezoneGetter subclass for ZoneInfo.db 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TimezoneGetter.setInstance(new TimezoneGetter() { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getId() { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SystemProperties.get("persist.sys.timezone"); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TimeZone.setDefault(null); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets handler for java.util.logging to use Android log facilities. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The odd "new instance-and-then-throw-away" is a mirror of how 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the "java.util.logging.config.class" system property works. We 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can't use the system property here since the logger has almost 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * certainly already been initialized. 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LogManager.getLogManager().reset(); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new AndroidConfig(); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 128d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson * Sets the default HTTP User-Agent used by HttpURLConnection. 129d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson */ 130d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String userAgent = getDefaultUserAgent(); 131d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson System.setProperty("http.agent", userAgent); 132d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 133d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson /* 1348568db534118fc14cc28100306d51626464ff319Jesse Wilson * Wire socket tagging to traffic stats. 1358568db534118fc14cc28100306d51626464ff319Jesse Wilson */ 1368568db534118fc14cc28100306d51626464ff319Jesse Wilson NetworkManagementSocketTagger.install(); 1378568db534118fc14cc28100306d51626464ff319Jesse Wilson 1388568db534118fc14cc28100306d51626464ff319Jesse Wilson /* 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If we're running in an emulator launched with "-trace", put the 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * VM into emulator trace profiling mode so that the user can hit 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * F9/F10 at any time to capture traces. This has performance 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * consequences, so it's not something you want to do always. 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String trace = SystemProperties.get("ro.kernel.android.tracing"); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trace.equals("1")) { 146c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.i(TAG, "NOTE: emulator trace profiling enabled"); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.enableEmulatorTraceOutput(); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initialized = true; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 154d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson * Returns an HTTP user agent of the form 155d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson * "Dalvik/1.1.0 (Linux; U; Android Eclair Build/MASTER)". 156d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson */ 157d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson private static String getDefaultUserAgent() { 158d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson StringBuilder result = new StringBuilder(64); 159d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append("Dalvik/"); 160d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(System.getProperty("java.vm.version")); // such as 1.1.0 161d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(" (Linux; U; Android "); 162d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 163d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String version = Build.VERSION.RELEASE; // "1.0" or "3.4b5" 164d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(version.length() > 0 ? version : "1.0"); 165d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 166d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson // add the model for the release build 167d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson if ("REL".equals(Build.VERSION.CODENAME)) { 168d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String model = Build.MODEL; 169d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson if (model.length() > 0) { 170d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append("; "); 171d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(model); 172d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 173d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 174d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String id = Build.ID; // "MASTER" or "M4-rc20" 175d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson if (id.length() > 0) { 176d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(" Build/"); 177d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(id); 178d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 179d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(")"); 180d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson return result.toString(); 181d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 182d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 183d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson /** 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Invokes a static "main(argv[]) method on class "className". 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts various failing exceptions into RuntimeExceptions, with 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the assumption that they will then cause the VM instance to exit. 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param className Fully-qualified class name 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param argv Argument vector for main() 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 191e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee private static void invokeStaticMain(String className, String[] argv) 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws ZygoteInit.MethodAndArgsCaller { 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Class<?> cl; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cl = Class.forName(className); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (ClassNotFoundException ex) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Missing class when invoking static main " + className, 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ex); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Method m; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m = cl.getMethod("main", new Class[] { String[].class }); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NoSuchMethodException ex) { 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Missing static main on " + className, ex); 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SecurityException ex) { 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Problem getting static main on " + className, ex); 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int modifiers = m.getModifiers(); 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (! (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Main method is not public and static on " + className); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This throw gets caught in ZygoteInit.main(), which responds 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by invoking the exception's run() method. This arrangement 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clears up all the stack frames that were required in setting 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * up the process. 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ZygoteInit.MethodAndArgsCaller(m, argv); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final void main(String[] argv) { 230ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (argv.length == 2 && argv[1].equals("application")) { 231ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application"); 232ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown redirectLogStreams(); 233ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } else { 234ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting tool"); 235ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 236ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project commonInit(); 238e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Now that we're running in interpreted code, call back into native code 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to run the system. 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24316f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown nativeFinishInit(); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 245ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "Leaving RuntimeInit!"); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 247e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The main function called when started through the zygote process. This 25016f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown * could be unified with main(), if the native code in nativeFinishInit() 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * were rationalized with Zygote startup.<p> 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Current recognized args: 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> <code> [--] <start class name> <args> 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 258e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes * @param targetSdkVersion target SDK version 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param argv arg strings 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 261e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes public static final void zygoteInit(int targetSdkVersion, String[] argv) 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws ZygoteInit.MethodAndArgsCaller { 263ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application from zygote"); 264ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 265ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown redirectLogStreams(); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project commonInit(); 26816f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown nativeZygoteInit(); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 270e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes applicationInit(targetSdkVersion, argv); 271ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 273ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 274ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * The main function called when an application is started through a 275ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * wrapper process. 276ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * 277ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * When the wrapper starts, the runtime starts {@link RuntimeInit#main} 278ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * which calls {@link WrapperInit#main} which then calls this method. 279ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * So we don't need to call commonInit() here. 280ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * 281e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes * @param targetSdkVersion target SDK version 282ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * @param argv arg strings 283ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 284e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes public static void wrapperInit(int targetSdkVersion, String[] argv) 285ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throws ZygoteInit.MethodAndArgsCaller { 286ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application from wrapper"); 287ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 288e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes applicationInit(targetSdkVersion, argv); 289ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 290ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 291e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes private static void applicationInit(int targetSdkVersion, String[] argv) 292ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throws ZygoteInit.MethodAndArgsCaller { 2934280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // If the application calls System.exit(), terminate the process 2944280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // immediately without running any shutdown hooks. It is not possible to 2954280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // shutdown an Android application gracefully. Among other things, the 2964280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // Android runtime shutdown hooks close the Binder driver, which can cause 2974280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // leftover running threads to crash before the process actually exits. 2984280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown nativeSetExitWithoutCleanup(true); 2994280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown 300ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown // We want to be fairly aggressive about heap utilization, to avoid 301ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown // holding on to a lot of memory that isn't needed. 302ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown VMRuntime.getRuntime().setTargetHeapUtilization(0.75f); 303e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes VMRuntime.getRuntime().setTargetSdkVersion(targetSdkVersion); 304ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 305ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown final Arguments args; 306ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown try { 307ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown args = new Arguments(argv); 308ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } catch (IllegalArgumentException ex) { 309ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown Slog.e(TAG, ex.getMessage()); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // let the process exit 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remaining arguments are passed to the start class's static main 315ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown invokeStaticMain(args.startClass, args.startArgs); 316ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 317e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee 318ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 319ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Redirect System.out and System.err to the Android log. 320ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 321ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown public static void redirectLogStreams() { 322ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.out.close(); 323ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.setOut(new AndroidPrintStream(Log.INFO, "System.out")); 324ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.err.close(); 325ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.setErr(new AndroidPrintStream(Log.WARN, "System.err")); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * Report a serious error in the current process. May or may not cause 33060d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * the process to terminate (depends on system settings). 331e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee * 33260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * @param tag to record with the error 33360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * @param t exception describing the error site and conditions 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 33560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor public static void wtf(String tag, Throwable t) { 33660d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor try { 33760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor if (ActivityManagerNative.getDefault().handleApplicationWtf( 33860d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor mApplicationObject, tag, new ApplicationErrorReport.CrashInfo(t))) { 33960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // The Activity Manager has already written us off -- now exit. 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.killProcess(Process.myPid()); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.exit(10); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 34360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } catch (Throwable t2) { 344c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "Error reporting WTF", t2); 345941adc95e121332b49aedb5406b6037a6395aea6Christopher Tate Slog.e(TAG, "Original WTF:", t); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the object identifying this application/process, for reporting VM 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * errors. 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final void setApplicationObject(IBinder app) { 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mApplicationObject = app; 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 357438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final IBinder getApplicationObject() { 358438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return mApplicationObject; 359438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 360438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enable debugging features. 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register handlers for DDM messages. 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android.ddm.DdmRegister.registerHandlers(); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 368ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 369ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 370ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Handles argument parsing for args related to the runtime. 371ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * 372ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Current recognized args: 373ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * <ul> 374ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * <li> <code> [--] <start class name> <args> 375ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * </ul> 376ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 377ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown static class Arguments { 378ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** first non-option argument */ 379ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown String startClass; 380ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 381ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** all following arguments */ 382ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown String[] startArgs; 383ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 384ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 385ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Constructs instance and parses args 386ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * @param args runtime command-line args 387ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * @throws IllegalArgumentException 388ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 389ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown Arguments(String args[]) throws IllegalArgumentException { 390ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown parseArgs(args); 391ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 392ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 393ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 394ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Parses the commandline arguments intended for the Runtime. 395ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 396ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown private void parseArgs(String args[]) 397ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throws IllegalArgumentException { 398ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown int curArg = 0; 399ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown for (; curArg < args.length; curArg++) { 400ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown String arg = args[curArg]; 401ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 402ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (arg.equals("--")) { 403ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown curArg++; 404ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown break; 405ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } else if (!arg.startsWith("--")) { 406ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown break; 407ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 408ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 409ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 410ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (curArg == args.length) { 411ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throw new IllegalArgumentException("Missing classname argument to RuntimeInit!"); 412ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 413ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 414ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown startClass = args[curArg++]; 415ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown startArgs = new String[args.length - curArg]; 416ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.arraycopy(args, curArg, startArgs, 0, startArgs.length); 417ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 418ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 420