RuntimeInit.java revision 941adc95e121332b49aedb5406b6037a6395aea6
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; 20b7f0367cec1c744aa66ef397b0244e25d507491cDan Egnorimport android.app.ApplicationErrorReport; 21b7f0367cec1c744aa66ef397b0244e25d507491cDan Egnorimport android.os.Build; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.IBinder; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Process; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemProperties; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 27c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackbornimport android.util.Slog; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.logging.AndroidConfig; 298568db534118fc14cc28100306d51626464ff319Jesse Wilsonimport com.android.server.NetworkManagementSocketTagger; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport dalvik.system.VMRuntime; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Method; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.reflect.Modifier; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.TimeZone; 348568db534118fc14cc28100306d51626464ff319Jesse Wilsonimport java.util.logging.LogManager; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.luni.internal.util.TimezoneGetter; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Main entry point for runtime initialization. Not for 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * public consumption. 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class RuntimeInit { 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "AndroidRuntime"; 44ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown private final static boolean DEBUG = false; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** true if commonInit() has been called */ 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static boolean initialized; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor private static IBinder mApplicationObject; 5060d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 5160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor private static volatile boolean mCrashing = false; 5260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 5316f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown private static final native void nativeZygoteInit(); 5416f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown private static final native void nativeFinishInit(); 554280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown private static final native void nativeSetExitWithoutCleanup(boolean exitWithoutCleanup); 5616f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Use this to log a message when a thread exits due to an uncaught 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exception. The framework catches these for the main threads, so 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this should only matter for threads created by applications. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class UncaughtHandler implements Thread.UncaughtExceptionHandler { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void uncaughtException(Thread t, Throwable e) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // Don't re-enter -- avoid infinite loops if crash-reporting crashes. 6660d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor if (mCrashing) return; 6760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor mCrashing = true; 6860d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 6960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor if (mApplicationObject == null) { 70c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "*** FATAL EXCEPTION IN SYSTEM PROCESS: " + t.getName(), e); 7160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } else { 72c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "FATAL EXCEPTION: " + t.getName(), e); 7360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } 7460d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor 7560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // Bring up crash dialog, wait for it to be dismissed 7660d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor ActivityManagerNative.getDefault().handleApplicationCrash( 7760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor mApplicationObject, new ApplicationErrorReport.CrashInfo(e)); 7860d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } catch (Throwable t2) { 7960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor try { 80c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "Error reporting crash", t2); 8160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } catch (Throwable t3) { 82c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn // Even Slog.e() fails! Oh well. 8360d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } 8460d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } finally { 8560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // Try everything to make sure this process goes away. 8660d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor Process.killProcess(Process.myPid()); 8760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor System.exit(10); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final void commonInit() { 93ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "Entered RuntimeInit!"); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* set default handler; this applies to all threads in the VM */ 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Thread.setDefaultUncaughtExceptionHandler(new UncaughtHandler()); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Install a TimezoneGetter subclass for ZoneInfo.db 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TimezoneGetter.setInstance(new TimezoneGetter() { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String getId() { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SystemProperties.get("persist.sys.timezone"); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TimeZone.setDefault(null); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets handler for java.util.logging to use Android log facilities. 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The odd "new instance-and-then-throw-away" is a mirror of how 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the "java.util.logging.config.class" system property works. We 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can't use the system property here since the logger has almost 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * certainly already been initialized. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LogManager.getLogManager().reset(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new AndroidConfig(); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 120d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson * Sets the default HTTP User-Agent used by HttpURLConnection. 121d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson */ 122d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String userAgent = getDefaultUserAgent(); 123d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson System.setProperty("http.agent", userAgent); 124d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 125d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson /* 1268568db534118fc14cc28100306d51626464ff319Jesse Wilson * Wire socket tagging to traffic stats. 1278568db534118fc14cc28100306d51626464ff319Jesse Wilson */ 1288568db534118fc14cc28100306d51626464ff319Jesse Wilson NetworkManagementSocketTagger.install(); 1298568db534118fc14cc28100306d51626464ff319Jesse Wilson 1308568db534118fc14cc28100306d51626464ff319Jesse Wilson /* 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If we're running in an emulator launched with "-trace", put the 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * VM into emulator trace profiling mode so that the user can hit 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * F9/F10 at any time to capture traces. This has performance 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * consequences, so it's not something you want to do always. 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String trace = SystemProperties.get("ro.kernel.android.tracing"); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (trace.equals("1")) { 138c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.i(TAG, "NOTE: emulator trace profiling enabled"); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Debug.enableEmulatorTraceOutput(); 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initialized = true; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 146d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson * Returns an HTTP user agent of the form 147d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson * "Dalvik/1.1.0 (Linux; U; Android Eclair Build/MASTER)". 148d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson */ 149d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson private static String getDefaultUserAgent() { 150d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson StringBuilder result = new StringBuilder(64); 151d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append("Dalvik/"); 152d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(System.getProperty("java.vm.version")); // such as 1.1.0 153d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(" (Linux; U; Android "); 154d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 155d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String version = Build.VERSION.RELEASE; // "1.0" or "3.4b5" 156d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(version.length() > 0 ? version : "1.0"); 157d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 158d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson // add the model for the release build 159d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson if ("REL".equals(Build.VERSION.CODENAME)) { 160d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String model = Build.MODEL; 161d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson if (model.length() > 0) { 162d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append("; "); 163d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(model); 164d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 165d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 166d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson String id = Build.ID; // "MASTER" or "M4-rc20" 167d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson if (id.length() > 0) { 168d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(" Build/"); 169d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(id); 170d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 171d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson result.append(")"); 172d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson return result.toString(); 173d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson } 174d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson 175d0f80d445644bfc08b62339f01766b924e42dc4dJesse Wilson /** 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Invokes a static "main(argv[]) method on class "className". 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts various failing exceptions into RuntimeExceptions, with 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the assumption that they will then cause the VM instance to exit. 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param className Fully-qualified class name 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param argv Argument vector for main() 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 183e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee private static void invokeStaticMain(String className, String[] argv) 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws ZygoteInit.MethodAndArgsCaller { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Class<?> cl; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cl = Class.forName(className); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (ClassNotFoundException ex) { 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Missing class when invoking static main " + className, 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ex); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Method m; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project m = cl.getMethod("main", new Class[] { String[].class }); 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (NoSuchMethodException ex) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Missing static main on " + className, ex); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SecurityException ex) { 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Problem getting static main on " + className, ex); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int modifiers = m.getModifiers(); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (! (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers))) { 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException( 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Main method is not public and static on " + className); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This throw gets caught in ZygoteInit.main(), which responds 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by invoking the exception's run() method. This arrangement 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clears up all the stack frames that were required in setting 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * up the process. 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new ZygoteInit.MethodAndArgsCaller(m, argv); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final void main(String[] argv) { 222ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (argv.length == 2 && argv[1].equals("application")) { 223ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application"); 224ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown redirectLogStreams(); 225ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } else { 226ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting tool"); 227ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 228ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project commonInit(); 230e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Now that we're running in interpreted code, call back into native code 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to run the system. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23516f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown nativeFinishInit(); 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 237ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "Leaving RuntimeInit!"); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 239e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The main function called when started through the zygote process. This 24216f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown * could be unified with main(), if the native code in nativeFinishInit() 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * were rationalized with Zygote startup.<p> 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Current recognized args: 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li> <code> [--] <start class name> <args> 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 250e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes * @param targetSdkVersion target SDK version 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param argv arg strings 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 253e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes public static final void zygoteInit(int targetSdkVersion, String[] argv) 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws ZygoteInit.MethodAndArgsCaller { 255ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application from zygote"); 256ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 257ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown redirectLogStreams(); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project commonInit(); 26016f5f5cc9d4c480fac3dc7f176f3f1edfbd256f4Jeff Brown nativeZygoteInit(); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 262e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes applicationInit(targetSdkVersion, argv); 263ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 265ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 266ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * The main function called when an application is started through a 267ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * wrapper process. 268ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * 269ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * When the wrapper starts, the runtime starts {@link RuntimeInit#main} 270ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * which calls {@link WrapperInit#main} which then calls this method. 271ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * So we don't need to call commonInit() here. 272ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * 273e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes * @param targetSdkVersion target SDK version 274ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * @param argv arg strings 275ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 276e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes public static void wrapperInit(int targetSdkVersion, String[] argv) 277ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throws ZygoteInit.MethodAndArgsCaller { 278ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application from wrapper"); 279ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 280e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes applicationInit(targetSdkVersion, argv); 281ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 282ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 283e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes private static void applicationInit(int targetSdkVersion, String[] argv) 284ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throws ZygoteInit.MethodAndArgsCaller { 2854280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // If the application calls System.exit(), terminate the process 2864280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // immediately without running any shutdown hooks. It is not possible to 2874280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // shutdown an Android application gracefully. Among other things, the 2884280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // Android runtime shutdown hooks close the Binder driver, which can cause 2894280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown // leftover running threads to crash before the process actually exits. 2904280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown nativeSetExitWithoutCleanup(true); 2914280c4a93ea17f2e9d3f651e49d8c13dc3fb92aaJeff Brown 292ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown // We want to be fairly aggressive about heap utilization, to avoid 293ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown // holding on to a lot of memory that isn't needed. 294ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown VMRuntime.getRuntime().setTargetHeapUtilization(0.75f); 295e1dfcb7ab01fb991079ec1f70f75281a0ca9073eElliott Hughes VMRuntime.getRuntime().setTargetSdkVersion(targetSdkVersion); 296ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 297ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown final Arguments args; 298ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown try { 299ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown args = new Arguments(argv); 300ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } catch (IllegalArgumentException ex) { 301ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown Slog.e(TAG, ex.getMessage()); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // let the process exit 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Remaining arguments are passed to the start class's static main 307ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown invokeStaticMain(args.startClass, args.startArgs); 308ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 309e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee 310ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 311ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Redirect System.out and System.err to the Android log. 312ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 313ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown public static void redirectLogStreams() { 314ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.out.close(); 315ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.setOut(new AndroidPrintStream(Log.INFO, "System.out")); 316ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.err.close(); 317ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.setErr(new AndroidPrintStream(Log.WARN, "System.err")); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 32160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * Report a serious error in the current process. May or may not cause 32260d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * the process to terminate (depends on system settings). 323e540833fdff4d58e37c9ba859388e24e2945ed45Bob Lee * 32460d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * @param tag to record with the error 32560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor * @param t exception describing the error site and conditions 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 32760d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor public static void wtf(String tag, Throwable t) { 32860d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor try { 32960d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor if (ActivityManagerNative.getDefault().handleApplicationWtf( 33060d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor mApplicationObject, tag, new ApplicationErrorReport.CrashInfo(t))) { 33160d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor // The Activity Manager has already written us off -- now exit. 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.killProcess(Process.myPid()); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.exit(10); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 33560d8762413e8daba5f73559786312a9ec5e3b827Dan Egnor } catch (Throwable t2) { 336c9421ba1f46d9f9aeee833e1fde2cc263b058411Dianne Hackborn Slog.e(TAG, "Error reporting WTF", t2); 337941adc95e121332b49aedb5406b6037a6395aea6Christopher Tate Slog.e(TAG, "Original WTF:", t); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Set the object identifying this application/process, for reporting VM 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * errors. 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final void setApplicationObject(IBinder app) { 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mApplicationObject = app; 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final IBinder getApplicationObject() { 350438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return mApplicationObject; 351438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 352438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Enable debugging features. 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Register handlers for DDM messages. 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android.ddm.DdmRegister.registerHandlers(); 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 360ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 361ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 362ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Handles argument parsing for args related to the runtime. 363ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * 364ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Current recognized args: 365ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * <ul> 366ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * <li> <code> [--] <start class name> <args> 367ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * </ul> 368ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 369ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown static class Arguments { 370ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** first non-option argument */ 371ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown String startClass; 372ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 373ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** all following arguments */ 374ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown String[] startArgs; 375ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 376ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 377ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Constructs instance and parses args 378ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * @param args runtime command-line args 379ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * @throws IllegalArgumentException 380ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 381ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown Arguments(String args[]) throws IllegalArgumentException { 382ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown parseArgs(args); 383ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 384ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 385ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown /** 386ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown * Parses the commandline arguments intended for the Runtime. 387ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown */ 388ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown private void parseArgs(String args[]) 389ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throws IllegalArgumentException { 390ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown int curArg = 0; 391ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown for (; curArg < args.length; curArg++) { 392ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown String arg = args[curArg]; 393ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 394ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (arg.equals("--")) { 395ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown curArg++; 396ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown break; 397ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } else if (!arg.startsWith("--")) { 398ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown break; 399ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 400ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 401ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 402ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown if (curArg == args.length) { 403ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown throw new IllegalArgumentException("Missing classname argument to RuntimeInit!"); 404ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 405ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown 406ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown startClass = args[curArg++]; 407ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown startArgs = new String[args.length - curArg]; 408ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown System.arraycopy(args, curArg, startArgs, 0, startArgs.length); 409ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 410ebed7d6e35f7f960e6e6add2b8ab7c7a31a511c3Jeff Brown } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 412