SystemServer.java revision aa6bd940f07f4552eb8f43869194616660877fd4
1/* 2 * Copyright (C) 2006 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.accounts.AccountManagerService; 20import android.app.ActivityManagerNative; 21import android.bluetooth.BluetoothAdapter; 22import android.content.ComponentName; 23import android.content.ContentResolver; 24import android.content.ContentService; 25import android.content.Context; 26import android.content.Intent; 27import android.content.pm.IPackageManager; 28import android.content.res.Configuration; 29import android.media.AudioService; 30import android.os.Looper; 31import android.os.RemoteException; 32import android.os.ServiceManager; 33import android.os.StrictMode; 34import android.os.SystemClock; 35import android.os.SystemProperties; 36import android.provider.Settings; 37import android.server.BluetoothA2dpService; 38import android.server.BluetoothService; 39import android.server.search.SearchManagerService; 40import android.util.DisplayMetrics; 41import android.util.EventLog; 42import android.util.Slog; 43import android.view.WindowManager; 44 45import com.android.internal.app.ShutdownThread; 46import com.android.internal.os.BinderInternal; 47import com.android.internal.os.SamplingProfilerIntegration; 48import com.android.server.accessibility.AccessibilityManagerService; 49import com.android.server.am.ActivityManagerService; 50import com.android.server.net.NetworkPolicyManagerService; 51import com.android.server.net.NetworkStatsService; 52import com.android.server.pm.PackageManagerService; 53import com.android.server.usb.UsbService; 54import com.android.server.wm.WindowManagerService; 55 56import dalvik.system.VMRuntime; 57import dalvik.system.Zygote; 58 59import java.io.File; 60import java.util.Timer; 61import java.util.TimerTask; 62 63class ServerThread extends Thread { 64 private static final String TAG = "SystemServer"; 65 66 ContentResolver mContentResolver; 67 68 @Override 69 public void run() { 70 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 71 SystemClock.uptimeMillis()); 72 73 Looper.prepare(); 74 75 android.os.Process.setThreadPriority( 76 android.os.Process.THREAD_PRIORITY_FOREGROUND); 77 78 BinderInternal.disableBackgroundScheduling(true); 79 android.os.Process.setCanSelfBackground(false); 80 81 // Check whether we failed to shut down last time we tried. 82 { 83 final String shutdownAction = SystemProperties.get( 84 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 85 if (shutdownAction != null && shutdownAction.length() > 0) { 86 boolean reboot = (shutdownAction.charAt(0) == '1'); 87 88 final String reason; 89 if (shutdownAction.length() > 1) { 90 reason = shutdownAction.substring(1, shutdownAction.length()); 91 } else { 92 reason = null; 93 } 94 95 ShutdownThread.rebootOrShutdown(reboot, reason); 96 } 97 } 98 99 String factoryTestStr = SystemProperties.get("ro.factorytest"); 100 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 101 : Integer.parseInt(factoryTestStr); 102 103 LightsService lights = null; 104 PowerManagerService power = null; 105 BatteryService battery = null; 106 AlarmManagerService alarm = null; 107 NetworkManagementService networkManagement = null; 108 NetworkStatsService networkStats = null; 109 NetworkPolicyManagerService networkPolicy = null; 110 ConnectivityService connectivity = null; 111 IPackageManager pm = null; 112 Context context = null; 113 WindowManagerService wm = null; 114 BluetoothService bluetooth = null; 115 BluetoothA2dpService bluetoothA2dp = null; 116 WiredAccessoryObserver wiredAccessory = null; 117 DockObserver dock = null; 118 UsbService usb = null; 119 UiModeManagerService uiMode = null; 120 RecognitionManagerService recognition = null; 121 ThrottleService throttle = null; 122 NetworkTimeUpdateService networkTimeUpdater = null; 123 124 // Critical services... 125 try { 126 Slog.i(TAG, "Entropy Service"); 127 ServiceManager.addService("entropy", new EntropyService()); 128 129 Slog.i(TAG, "Power Manager"); 130 power = new PowerManagerService(); 131 ServiceManager.addService(Context.POWER_SERVICE, power); 132 133 Slog.i(TAG, "Activity Manager"); 134 context = ActivityManagerService.main(factoryTest); 135 136 Slog.i(TAG, "Telephony Registry"); 137 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 138 139 AttributeCache.init(context); 140 141 Slog.i(TAG, "Package Manager"); 142 pm = PackageManagerService.main(context, 143 factoryTest != SystemServer.FACTORY_TEST_OFF); 144 145 ActivityManagerService.setSystemProcess(); 146 147 mContentResolver = context.getContentResolver(); 148 149 // The AccountManager must come before the ContentService 150 try { 151 Slog.i(TAG, "Account Manager"); 152 ServiceManager.addService(Context.ACCOUNT_SERVICE, 153 new AccountManagerService(context)); 154 } catch (Throwable e) { 155 Slog.e(TAG, "Failure starting Account Manager", e); 156 } 157 158 Slog.i(TAG, "Content Manager"); 159 ContentService.main(context, 160 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 161 162 Slog.i(TAG, "System Content Providers"); 163 ActivityManagerService.installSystemProviders(); 164 165 Slog.i(TAG, "Lights Service"); 166 lights = new LightsService(context); 167 168 Slog.i(TAG, "Battery Service"); 169 battery = new BatteryService(context, lights); 170 ServiceManager.addService("battery", battery); 171 172 Slog.i(TAG, "Vibrator Service"); 173 ServiceManager.addService("vibrator", new VibratorService(context)); 174 175 // only initialize the power service after we have started the 176 // lights service, content providers and the battery service. 177 power.init(context, lights, ActivityManagerService.getDefault(), battery); 178 179 Slog.i(TAG, "Alarm Manager"); 180 alarm = new AlarmManagerService(context); 181 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 182 183 Slog.i(TAG, "Init Watchdog"); 184 Watchdog.getInstance().init(context, battery, power, alarm, 185 ActivityManagerService.self()); 186 187 Slog.i(TAG, "Window Manager"); 188 wm = WindowManagerService.main(context, power, 189 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL); 190 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 191 192 ((ActivityManagerService)ServiceManager.getService("activity")) 193 .setWindowManager(wm); 194 195 // Skip Bluetooth if we have an emulator kernel 196 // TODO: Use a more reliable check to see if this product should 197 // support Bluetooth - see bug 988521 198 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 199 Slog.i(TAG, "No Bluetooh Service (emulator)"); 200 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 201 Slog.i(TAG, "No Bluetooth Service (factory test)"); 202 } else { 203 Slog.i(TAG, "Bluetooth Service"); 204 bluetooth = new BluetoothService(context); 205 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 206 bluetooth.initAfterRegistration(); 207 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 208 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 209 bluetoothA2dp); 210 bluetooth.initAfterA2dpRegistration(); 211 212 int airplaneModeOn = Settings.System.getInt(mContentResolver, 213 Settings.System.AIRPLANE_MODE_ON, 0); 214 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 215 Settings.Secure.BLUETOOTH_ON, 0); 216 if (airplaneModeOn == 0 && bluetoothOn != 0) { 217 bluetooth.enable(); 218 } 219 } 220 221 } catch (RuntimeException e) { 222 Slog.e("System", "Failure starting core service", e); 223 } 224 225 DevicePolicyManagerService devicePolicy = null; 226 StatusBarManagerService statusBar = null; 227 InputMethodManagerService imm = null; 228 AppWidgetService appWidget = null; 229 NotificationManagerService notification = null; 230 WallpaperManagerService wallpaper = null; 231 LocationManagerService location = null; 232 CountryDetectorService countryDetector = null; 233 234 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 235 try { 236 Slog.i(TAG, "Device Policy"); 237 devicePolicy = new DevicePolicyManagerService(context); 238 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 239 } catch (Throwable e) { 240 Slog.e(TAG, "Failure starting DevicePolicyService", e); 241 } 242 243 try { 244 Slog.i(TAG, "Status Bar"); 245 statusBar = new StatusBarManagerService(context, wm); 246 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 247 } catch (Throwable e) { 248 Slog.e(TAG, "Failure starting StatusBarManagerService", e); 249 } 250 251 try { 252 Slog.i(TAG, "Clipboard Service"); 253 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 254 new ClipboardService(context)); 255 } catch (Throwable e) { 256 Slog.e(TAG, "Failure starting Clipboard Service", e); 257 } 258 259 try { 260 Slog.i(TAG, "Input Method Service"); 261 imm = new InputMethodManagerService(context, statusBar); 262 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 263 } catch (Throwable e) { 264 Slog.e(TAG, "Failure starting Input Manager Service", e); 265 } 266 267 try { 268 Slog.i(TAG, "NetworkManagement Service"); 269 networkManagement = NetworkManagementService.create(context); 270 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 271 } catch (Throwable e) { 272 Slog.e(TAG, "Failure starting NetworkManagement Service", e); 273 } 274 275 try { 276 Slog.i(TAG, "NetworkStats Service"); 277 networkStats = new NetworkStatsService(context, networkManagement, alarm); 278 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 279 } catch (Throwable e) { 280 Slog.e(TAG, "Failure starting NetworkStats Service", e); 281 } 282 283 try { 284 Slog.i(TAG, "NetworkPolicy Service"); 285 networkPolicy = new NetworkPolicyManagerService( 286 context, ActivityManagerService.self(), power, networkStats); 287 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 288 } catch (Throwable e) { 289 Slog.e(TAG, "Failure starting NetworkPolicy Service", e); 290 } 291 292 try { 293 Slog.i(TAG, "Connectivity Service"); 294 connectivity = new ConnectivityService(context, networkManagement, networkPolicy); 295 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 296 networkStats.bindConnectivityManager(connectivity); 297 networkPolicy.bindConnectivityManager(connectivity); 298 } catch (Throwable e) { 299 Slog.e(TAG, "Failure starting Connectivity Service", e); 300 } 301 302 try { 303 Slog.i(TAG, "Throttle Service"); 304 throttle = new ThrottleService(context); 305 ServiceManager.addService( 306 Context.THROTTLE_SERVICE, throttle); 307 } catch (Throwable e) { 308 Slog.e(TAG, "Failure starting ThrottleService", e); 309 } 310 311 try { 312 Slog.i(TAG, "Accessibility Manager"); 313 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 314 new AccessibilityManagerService(context)); 315 } catch (Throwable e) { 316 Slog.e(TAG, "Failure starting Accessibility Manager", e); 317 } 318 319 try { 320 /* 321 * NotificationManagerService is dependant on MountService, 322 * (for media / usb notifications) so we must start MountService first. 323 */ 324 Slog.i(TAG, "Mount Service"); 325 ServiceManager.addService("mount", new MountService(context)); 326 } catch (Throwable e) { 327 Slog.e(TAG, "Failure starting Mount Service", e); 328 } 329 330 try { 331 Slog.i(TAG, "Notification Manager"); 332 notification = new NotificationManagerService(context, statusBar, lights); 333 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 334 networkPolicy.bindNotificationManager(notification); 335 } catch (Throwable e) { 336 Slog.e(TAG, "Failure starting Notification Manager", e); 337 } 338 339 try { 340 Slog.i(TAG, "Device Storage Monitor"); 341 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 342 new DeviceStorageMonitorService(context)); 343 } catch (Throwable e) { 344 Slog.e(TAG, "Failure starting DeviceStorageMonitor service", e); 345 } 346 347 try { 348 Slog.i(TAG, "Location Manager"); 349 location = new LocationManagerService(context); 350 ServiceManager.addService(Context.LOCATION_SERVICE, location); 351 } catch (Throwable e) { 352 Slog.e(TAG, "Failure starting Location Manager", e); 353 } 354 355 try { 356 Slog.i(TAG, "Country Detector"); 357 countryDetector = new CountryDetectorService(context); 358 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 359 } catch (Throwable e) { 360 Slog.e(TAG, "Failure starting Country Detector", e); 361 } 362 363 try { 364 Slog.i(TAG, "Search Service"); 365 ServiceManager.addService(Context.SEARCH_SERVICE, 366 new SearchManagerService(context)); 367 } catch (Throwable e) { 368 Slog.e(TAG, "Failure starting Search Service", e); 369 } 370 371 try { 372 Slog.i(TAG, "DropBox Service"); 373 ServiceManager.addService(Context.DROPBOX_SERVICE, 374 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 375 } catch (Throwable e) { 376 Slog.e(TAG, "Failure starting DropBoxManagerService", e); 377 } 378 379 try { 380 Slog.i(TAG, "Wallpaper Service"); 381 wallpaper = new WallpaperManagerService(context); 382 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 383 } catch (Throwable e) { 384 Slog.e(TAG, "Failure starting Wallpaper Service", e); 385 } 386 387 try { 388 Slog.i(TAG, "Audio Service"); 389 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 390 } catch (Throwable e) { 391 Slog.e(TAG, "Failure starting Audio Service", e); 392 } 393 394 try { 395 Slog.i(TAG, "Dock Observer"); 396 // Listen for dock station changes 397 dock = new DockObserver(context, power); 398 } catch (Throwable e) { 399 Slog.e(TAG, "Failure starting DockObserver", e); 400 } 401 402 try { 403 Slog.i(TAG, "Wired Accessory Observer"); 404 // Listen for wired headset changes 405 wiredAccessory = new WiredAccessoryObserver(context); 406 } catch (Throwable e) { 407 Slog.e(TAG, "Failure starting WiredAccessoryObserver", e); 408 } 409 410 try { 411 Slog.i(TAG, "USB Service"); 412 // Manage USB host and device support 413 usb = new UsbService(context); 414 ServiceManager.addService(Context.USB_SERVICE, usb); 415 } catch (Throwable e) { 416 Slog.e(TAG, "Failure starting UsbService", e); 417 } 418 419 try { 420 Slog.i(TAG, "UI Mode Manager Service"); 421 // Listen for UI mode changes 422 uiMode = new UiModeManagerService(context); 423 } catch (Throwable e) { 424 Slog.e(TAG, "Failure starting UiModeManagerService", e); 425 } 426 427 try { 428 Slog.i(TAG, "Backup Service"); 429 ServiceManager.addService(Context.BACKUP_SERVICE, 430 new BackupManagerService(context)); 431 } catch (Throwable e) { 432 Slog.e(TAG, "Failure starting Backup Service", e); 433 } 434 435 try { 436 Slog.i(TAG, "AppWidget Service"); 437 appWidget = new AppWidgetService(context); 438 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 439 } catch (Throwable e) { 440 Slog.e(TAG, "Failure starting AppWidget Service", e); 441 } 442 443 try { 444 Slog.i(TAG, "Recognition Service"); 445 recognition = new RecognitionManagerService(context); 446 } catch (Throwable e) { 447 Slog.e(TAG, "Failure starting Recognition Service", e); 448 } 449 450 try { 451 Slog.i(TAG, "DiskStats Service"); 452 ServiceManager.addService("diskstats", new DiskStatsService(context)); 453 } catch (Throwable e) { 454 Slog.e(TAG, "Failure starting DiskStats Service", e); 455 } 456 457 try { 458 // need to add this service even if SamplingProfilerIntegration.isEnabled() 459 // is false, because it is this service that detects system property change and 460 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 461 // there is little overhead for running this service. 462 Slog.i(TAG, "SamplingProfiler Service"); 463 ServiceManager.addService("samplingprofiler", 464 new SamplingProfilerService(context)); 465 } catch (Throwable e) { 466 Slog.e(TAG, "Failure starting SamplingProfiler Service", e); 467 } 468 469 try { 470 Slog.i(TAG, "NetworkTimeUpdateService"); 471 networkTimeUpdater = new NetworkTimeUpdateService(context); 472 } catch (Throwable e) { 473 Slog.e(TAG, "Failure starting NetworkTimeUpdate service"); 474 } 475 } 476 477 // Before things start rolling, be sure we have decided whether 478 // we are in safe mode. 479 final boolean safeMode = wm.detectSafeMode(); 480 if (safeMode) { 481 ActivityManagerService.self().enterSafeMode(); 482 // Post the safe mode state in the Zygote class 483 Zygote.systemInSafeMode = true; 484 // Disable the JIT for the system_server process 485 VMRuntime.getRuntime().disableJitCompilation(); 486 } else { 487 // Enable the JIT for the system_server process 488 VMRuntime.getRuntime().startJitCompilation(); 489 } 490 491 // It is now time to start up the app processes... 492 493 if (devicePolicy != null) { 494 devicePolicy.systemReady(); 495 } 496 497 if (notification != null) { 498 notification.systemReady(); 499 } 500 501 wm.systemReady(); 502 503 if (safeMode) { 504 ActivityManagerService.self().showSafeModeOverlay(); 505 } 506 507 // Update the configuration for this context by hand, because we're going 508 // to start using it before the config change done in wm.systemReady() will 509 // propagate to it. 510 Configuration config = wm.computeNewConfiguration(); 511 DisplayMetrics metrics = new DisplayMetrics(); 512 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 513 w.getDefaultDisplay().getMetrics(metrics); 514 context.getResources().updateConfiguration(config, metrics); 515 516 power.systemReady(); 517 try { 518 pm.systemReady(); 519 } catch (RemoteException e) { 520 } 521 522 // These are needed to propagate to the runnable below. 523 final Context contextF = context; 524 final BatteryService batteryF = battery; 525 final NetworkStatsService networkStatsF = networkStats; 526 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 527 final ConnectivityService connectivityF = connectivity; 528 final DockObserver dockF = dock; 529 final UsbService usbF = usb; 530 final ThrottleService throttleF = throttle; 531 final UiModeManagerService uiModeF = uiMode; 532 final AppWidgetService appWidgetF = appWidget; 533 final WallpaperManagerService wallpaperF = wallpaper; 534 final InputMethodManagerService immF = imm; 535 final RecognitionManagerService recognitionF = recognition; 536 final LocationManagerService locationF = location; 537 final CountryDetectorService countryDetectorF = countryDetector; 538 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 539 540 // We now tell the activity manager it is okay to run third party 541 // code. It will call back into us once it has gotten to the state 542 // where third party code can really run (but before it has actually 543 // started launching the initial applications), for us to complete our 544 // initialization. 545 ((ActivityManagerService)ActivityManagerNative.getDefault()) 546 .systemReady(new Runnable() { 547 public void run() { 548 Slog.i(TAG, "Making services ready"); 549 550 startSystemUi(contextF); 551 if (batteryF != null) batteryF.systemReady(); 552 if (networkStatsF != null) networkStatsF.systemReady(); 553 if (networkPolicyF != null) networkPolicyF.systemReady(); 554 if (connectivityF != null) connectivityF.systemReady(); 555 if (dockF != null) dockF.systemReady(); 556 if (usbF != null) usbF.systemReady(); 557 if (uiModeF != null) uiModeF.systemReady(); 558 if (recognitionF != null) recognitionF.systemReady(); 559 Watchdog.getInstance().start(); 560 561 // It is now okay to let the various system services start their 562 // third party code... 563 564 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 565 if (wallpaperF != null) wallpaperF.systemReady(); 566 if (immF != null) immF.systemReady(); 567 if (locationF != null) locationF.systemReady(); 568 if (countryDetectorF != null) countryDetectorF.systemReady(); 569 if (throttleF != null) throttleF.systemReady(); 570 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 571 } 572 }); 573 574 // For debug builds, log event loop stalls to dropbox for analysis. 575 if (StrictMode.conditionallyEnableDebugLogging()) { 576 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 577 } 578 579 Looper.loop(); 580 Slog.d(TAG, "System ServerThread is exiting!"); 581 } 582 583 static final void startSystemUi(Context context) { 584 Intent intent = new Intent(); 585 intent.setComponent(new ComponentName("com.android.systemui", 586 "com.android.systemui.SystemUIService")); 587 Slog.d(TAG, "Starting service: " + intent); 588 context.startService(intent); 589 } 590} 591 592public class SystemServer { 593 private static final String TAG = "SystemServer"; 594 595 public static final int FACTORY_TEST_OFF = 0; 596 public static final int FACTORY_TEST_LOW_LEVEL = 1; 597 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 598 599 static Timer timer; 600 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 601 602 // The earliest supported time. We pick one day into 1970, to 603 // give any timezone code room without going into negative time. 604 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 605 606 /** 607 * This method is called from Zygote to initialize the system. This will cause the native 608 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 609 * up into init2() to start the Android services. 610 */ 611 native public static void init1(String[] args); 612 613 public static void main(String[] args) { 614 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 615 // If a device's clock is before 1970 (before 0), a lot of 616 // APIs crash dealing with negative numbers, notably 617 // java.io.File#setLastModified, so instead we fake it and 618 // hope that time from cell towers or NTP fixes it 619 // shortly. 620 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 621 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 622 } 623 624 if (SamplingProfilerIntegration.isEnabled()) { 625 SamplingProfilerIntegration.start(); 626 timer = new Timer(); 627 timer.schedule(new TimerTask() { 628 @Override 629 public void run() { 630 SamplingProfilerIntegration.writeSnapshot("system_server", null); 631 } 632 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 633 } 634 635 // Mmmmmm... more memory! 636 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 637 638 // The system server has to run all of the time, so it needs to be 639 // as efficient as possible with its memory usage. 640 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 641 642 System.loadLibrary("android_servers"); 643 init1(args); 644 } 645 646 public static final void init2() { 647 Slog.i(TAG, "Entered the Android system server!"); 648 Thread thr = new ServerThread(); 649 thr.setName("android.server.ServerThread"); 650 thr.start(); 651 } 652} 653