cmds/runtime/main_runtime.cpp - platform/frameworks/base - Gitiles

 //
 // Copyright 2005 The Android Open Source Project
 //
 // Main entry point for runtime.
 //

 #include "ServiceManager.h"
 #include "SignalHandler.h"

 #include <utils/threads.h>
 #include <utils/Errors.h>

 #include <binder/IPCThreadState.h>
 #include <binder/ProcessState.h>
 #include <utils/Log.h>
 #include <cutils/zygote.h>

 #include <cutils/properties.h>

 #include <private/utils/Static.h>

 #include <surfaceflinger/ISurfaceComposer.h>

 #include <android_runtime/AndroidRuntime.h>

 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
 #include <getopt.h>
 #include <signal.h>
 #include <errno.h>
 #include <sys/stat.h>
 #include <linux/capability.h>
 #include <linux/ioctl.h>
 #ifdef HAVE_ANDROID_OS
 # include <linux/android_alarm.h>
 #endif

 #undef LOG_TAG
 #define LOG_TAG "runtime"

 static const char* ZYGOTE_ARGV[] = {
     "--setuid=1000",
     "--setgid=1000",
     "--setgroups=1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,3001,3002,3003",
     /* CAP_SYS_TTY_CONFIG & CAP_SYS_RESOURCE & CAP_NET_BROADCAST &
      * CAP_NET_ADMIN & CAP_NET_RAW & CAP_NET_BIND_SERVICE  & CAP_KILL &
      * CAP_SYS_BOOT CAP_SYS_NICE
      */
     "--capabilities=96549920,96549920",
     "--runtime-init",
     "--nice-name=system_server",
     "com.android.server.SystemServer"
 };

 using namespace android;

 extern "C" status_t system_init();

 enum {
     SYSTEM_PROCESS_TAG = DEFAULT_PROCESS_TAG+1
 };

 extern Mutex gEventQMutex;
 extern Condition gEventQCondition;

 namespace android {

 extern status_t app_init(const char* className);
 extern void set_finish_init_func(void (*func)());


 /**
  * This class is used to kill this process (runtime) when the system_server dies.
  */
 class GrimReaper : public IBinder::DeathRecipient {
 public:
     GrimReaper() { }

     virtual void binderDied(const wp<IBinder>& who)
     {
         LOGI("Grim Reaper killing runtime...");
         kill(getpid(), SIGKILL);
     }
 };

 extern void QuickTests();

 /*
  * Print usage info.
  */
 static void usage(const char* argv0)
 {
     fprintf(stderr,
         "Usage: runtime [-g gamma] [-l logfile] [-n] [-s]\n"
         "               [-j app-component] [-v app-verb] [-d app-data]\n"
         "\n"
         "-l: File to send log messages to\n"
         "-n: Don't print to stdout/stderr\n"
         "-s: Force single-process mode\n"
         "-j: Custom home app component name\n"
         "-v: Custom home app intent verb\n"
         "-d: Custom home app intent data\n"
     );
     exit(1);
 }

 // Selected application to run.
 static const char* gInitialApplication = NULL;
 static const char* gInitialVerb = NULL;
 static const char* gInitialData = NULL;

 static void writeStringToParcel(Parcel& parcel, const char* str)
 {
     if (str) {
         parcel.writeString16(String16(str));
     } else {
         parcel.writeString16(NULL, 0);
     }
 }

 /*
  * Starting point for program logic.
  *
  * Returns with an exit status code (0 on success, nonzero on error).
  */
 static int run(sp<ProcessState>& proc)
 {
     // Temporary hack to call startRunning() on the activity manager.
     sp<IServiceManager> sm = defaultServiceManager();
     sp<IBinder> am;
     while ((am = sm->getService(String16("activity"))) == NULL) {
         LOGI("Waiting for activity manager...");
     }
     Parcel data, reply;
     // XXX Need to also supply a package name for this to work again.
     // IActivityManager::getInterfaceDescriptor() is the token for invoking on this interface;
     // hardcoding it here avoids having to link with the full Activity Manager library
     data.writeInterfaceToken(String16("android.app.IActivityManager"));
     writeStringToParcel(data, NULL);
     writeStringToParcel(data, gInitialApplication);
     writeStringToParcel(data, gInitialVerb);
     writeStringToParcel(data, gInitialData);
 LOGI("run() sending FIRST_CALL_TRANSACTION to activity manager");
     am->transact(IBinder::FIRST_CALL_TRANSACTION, data, &reply);

     if (proc->supportsProcesses()) {
         // Now we link to the Activity Manager waiting for it to die. If it does kill ourself.
         // initd will restart this process and bring the system back up.
         sp<GrimReaper> grim = new GrimReaper();
         am->linkToDeath(grim, grim.get(), 0);

         // Now join the thread pool. Note this is needed so that the message enqueued in the driver
         // for the linkToDeath gets processed.
         IPCThreadState::self()->joinThreadPool();
     } else {
         // Keep this thread running forever...
         while (1) {
             usleep(100000);
         }
     }
     return 1;
 }


 };  // namespace android


 /*
  * Post-system-process initialization.
  *
  * This function continues initialization after the system process
  * has been initialized.  It needs to be separate because the system
  * initialization needs to care of starting the Android runtime if it is not
  * running in its own process, which doesn't return until the runtime is
  * being shut down.  So it will call back to here from inside of Dalvik,
  * to allow us to continue booting up.
  */
 static void finish_system_init(sp<ProcessState>& proc)
 {
     // If we are running multiprocess, we now need to have the
     // thread pool started here.  We don't do this in boot_init()
     // because when running single process we need to start the
     // thread pool after the Android runtime has been started (so
     // the pool uses Dalvik threads).
     if (proc->supportsProcesses()) {
         proc->startThreadPool();
     }
 }


 // This function can be used to enforce security to different
 // root contexts.  For now, we just give every access.
 static bool contextChecker(
     const String16& name, const sp<IBinder>& caller, void* userData)
 {
     return true;
 }

 /*
  * Initialization of boot services.
  *
  * This is where we perform initialization of all of our low-level
  * boot services.  Most importantly, here we become the context
  * manager and use that to publish the service manager that will provide
  * access to all other services.
  */
 static void boot_init()
 {
     LOGI("Entered boot_init()!\n");

     sp<ProcessState> proc(ProcessState::self());
     LOGD("ProcessState: %p\n", proc.get());
     proc->becomeContextManager(contextChecker, NULL);

     if (proc->supportsProcesses()) {
         LOGI("Binder driver opened.  Multiprocess enabled.\n");
     } else {
         LOGI("Binder driver not found.  Processes not supported.\n");
     }

     sp<BServiceManager> sm = new BServiceManager;
     proc->setContextObject(sm);
 }

 /*
  * Redirect stdin/stdout/stderr to /dev/null.
  */
 static void redirectStdFds(void)
 {
     int fd = open("/dev/null", O_RDWR, 0);
     if (fd < 0) {
         LOGW("Unable to open /dev/null: %s\n", strerror(errno));
     } else {
         dup2(fd, 0);
         dup2(fd, 1);
         dup2(fd, 2);
         close(fd);
     }
 }

 static int hasDir(const char* dir)
 {
     struct stat s;
     int res = stat(dir, &s);
     if (res == 0) {
         return S_ISDIR(s.st_mode);
     }
     return 0;
 }

 static void validateTime()
 {
 #if HAVE_ANDROID_OS
     int fd;
     int res;
     time_t min_time = 1167652800; // jan 1 2007, type 'date -ud "1/1 12:00" +%s' to get value for current year
     struct timespec ts;

     fd = open("/dev/alarm", O_RDWR);
     if(fd < 0) {
         LOGW("Unable to open alarm driver: %s\n", strerror(errno));
         return;
     }
     res = ioctl(fd, ANDROID_ALARM_GET_TIME(ANDROID_ALARM_RTC_WAKEUP), &ts);
     if(res < 0) {
         LOGW("Unable to read rtc, %s\n", strerror(errno));
     }
     else if(ts.tv_sec >= min_time) {
         goto done;
     }
     LOGW("Invalid time detected, %ld set to %ld\n", ts.tv_sec, min_time);
     ts.tv_sec = min_time;
     ts.tv_nsec = 0;
     res = ioctl(fd, ANDROID_ALARM_SET_RTC, &ts);
     if(res < 0) {
         LOGW("Unable to set rtc to %ld: %s\n", ts.tv_sec, strerror(errno));
     }
 done:
     close(fd);
 #endif
 }

 #ifndef HAVE_ANDROID_OS
 class QuickRuntime : public AndroidRuntime
 {
 public:
     QuickRuntime() {}

     virtual void onStarted()
     {
         printf("QuickRuntime: onStarted\n");
     }
 };
 #endif

 static status_t start_process(const char* name);

 static void restart_me(pid_t child, void* userData)
 {
     start_process((const char*)userData);
 }

 static status_t start_process(const char* name)
 {
     String8 path(name);
     Vector<const char*> args;
     String8 leaf(path.getPathLeaf());
     String8 parentDir(path.getPathDir());
     args.insertAt(leaf.string(), 0);
     args.add(parentDir.string());
     args.add(NULL);
     pid_t child = fork();
     if (child < 0) {
         status_t err = errno;
         LOGE("*** fork of child %s failed: %s", leaf.string(), strerror(err));
         return -errno;
     } else if (child == 0) {
         LOGI("Executing: %s", path.string());
         execv(path.string(), const_cast<char**>(args.array()));
         int err = errno;
         LOGE("Exec failed: %s\n", strerror(err));
         _exit(err);
     } else {
         SignalHandler::setChildHandler(child, DEFAULT_PROCESS_TAG,
                 restart_me, (void*)name);
     }
     return -errno;
 }

 /*
  * Application entry point.
  *
  * Parse arguments, set some values, and pass control off to Run().
  *
  * This is redefined to "SDL_main" on SDL simulator builds, and
  * "runtime_main" on wxWidgets builds.
  */
 extern "C"
 int main(int argc, char* const argv[])
 {
     bool singleProcess = false;
     const char* logFile = NULL;
     int ic;
     int result = 1;
     pid_t systemPid;

     sp<ProcessState> proc;

 #ifndef HAVE_ANDROID_OS
     /* Set stdout/stderr to unbuffered for MinGW/MSYS. */
     //setvbuf(stdout, NULL, _IONBF, 0);
     //setvbuf(stderr, NULL, _IONBF, 0);

     LOGI("commandline args:\n");
     for (int i = 0; i < argc; i++)
         LOGI("  %2d: '%s'\n", i, argv[i]);
 #endif

     while (1) {
         ic = getopt(argc, argv, "g:j:v:d:l:ns");
         if (ic < 0)
             break;

         switch (ic) {
         case 'g':
             break;
         case 'j':
             gInitialApplication = optarg;
             break;
         case 'v':
             gInitialVerb = optarg;
             break;
         case 'd':
             gInitialData = optarg;
             break;
         case 'l':
             logFile = optarg;
             break;
         case 'n':
             redirectStdFds();
             break;
         case 's':
             singleProcess = true;
             break;
         case '?':
         default:
             LOGE("runtime: unrecognized flag -%c\n", ic);
             usage(argv[0]);
             break;
         }
     }
     if (optind < argc) {
         LOGE("runtime: extra stuff: %s\n", argv[optind]);
         usage(argv[0]);
     }

     if (singleProcess) {
         ProcessState::setSingleProcess(true);
     }

     if (logFile != NULL) {
         android_logToFile(NULL, logFile);
     }

     /*
      * Set up ANDROID_* environment variables.
      *
      * TODO: the use of $ANDROID_PRODUCT_OUT will go away soon.
      */
     static const char* kSystemDir = "/system";
     static const char* kDataDir = "/data";
     static const char* kAppSubdir = "/app";
     const char* out = NULL;
 #ifndef HAVE_ANDROID_OS
     //out = getenv("ANDROID_PRODUCT_OUT");
 #endif
     if (out == NULL)
         out = "";

     char* systemDir = (char*) malloc(strlen(out) + strlen(kSystemDir) +1);
     char* dataDir = (char*) malloc(strlen(out) + strlen(kDataDir) +1);

     sprintf(systemDir, "%s%s", out, kSystemDir);
     sprintf(dataDir, "%s%s", out, kDataDir);
     setenv("ANDROID_ROOT", systemDir, 1);
     setenv("ANDROID_DATA", dataDir, 1);

     char* assetDir = (char*) malloc(strlen(systemDir) + strlen(kAppSubdir) +1);
     sprintf(assetDir, "%s%s", systemDir, kAppSubdir);

     LOGI("Startup: sys='%s' asset='%s' data='%s'\n",
         systemDir, assetDir, dataDir);
     free(systemDir);
     free(dataDir);

 #ifdef HAVE_ANDROID_OS
     /* set up a process group for easier killing on the device */
     setpgid(0, getpid());
 #endif

     // Change to asset dir.  This is only necessary if we've changed to
     // a different directory, but there's little harm in doing it regardless.
     //
     // Expecting assets to live in the current dir is not a great idea,
     // because some of our code or one of our libraries could change the
     // directory out from under us.  Preserve the behavior for now.
     if (chdir(assetDir) != 0) {
         LOGW("WARNING: could not change dir to '%s': %s\n",
              assetDir, strerror(errno));
     }
     free(assetDir);

 #if 0
     // Hack to keep libc from beating the filesystem to death.  It's
     // hitting /etc/localtime frequently,
     //
     // This statement locks us into Pacific time.  We could do better,
     // but there's not much point until we're sure that the library
     // can't be changed to do more along the lines of what we want.
 #ifndef XP_WIN
     setenv("TZ", "PST+8PDT,M4.1.0/2,M10.5.0/2", true);
 #endif
 #endif

     /* track our progress through the boot sequence */
     const int LOG_BOOT_PROGRESS_START = 3000;
     LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
         ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));

     validateTime();

     proc = ProcessState::self();

     boot_init();

     /* If we are in multiprocess mode, have zygote spawn the system
      * server process and call system_init(). If we are running in
      * single process mode just call system_init() directly.
      */
     if (proc->supportsProcesses()) {
         // If stdio logging is on, system_server should not inherit our stdio
         // The dalvikvm instance will copy stdio to the log on its own
         char propBuf[PROPERTY_VALUE_MAX];
         bool logStdio = false;
         property_get("log.redirect-stdio", propBuf, "");
         logStdio = (strcmp(propBuf, "true") == 0);

         zygote_run_oneshot((int)(!logStdio),
                 sizeof(ZYGOTE_ARGV) / sizeof(ZYGOTE_ARGV[0]),
                 ZYGOTE_ARGV);

         //start_process("/system/bin/mediaserver");

     } else {
 #ifndef HAVE_ANDROID_OS
         QuickRuntime* runt = new QuickRuntime();
         runt->start("com/android/server/SystemServer",
                     false /* spontaneously fork system server from zygote */);
 #endif
     }

     //printf("+++ post-zygote\n");

     finish_system_init(proc);
     run(proc);

 bail:
     if (proc != NULL) {
         proc->setContextObject(NULL);
     }

     return 0;
 }
	//
	// Copyright 2005 The Android Open Source Project
	//
	// Main entry point for runtime.
	//

	#include "ServiceManager.h"
	#include "SignalHandler.h"

	#include <utils/threads.h>
	#include <utils/Errors.h>

	#include <binder/IPCThreadState.h>
	#include <binder/ProcessState.h>
	#include <utils/Log.h>
	#include <cutils/zygote.h>

	#include <cutils/properties.h>

	#include <private/utils/Static.h>

	#include <surfaceflinger/ISurfaceComposer.h>

	#include <android_runtime/AndroidRuntime.h>

	#include <stdlib.h>
	#include <unistd.h>
	#include <fcntl.h>
	#include <stdio.h>
	#include <string.h>
	#include <getopt.h>
	#include <signal.h>
	#include <errno.h>
	#include <sys/stat.h>
	#include <linux/capability.h>
	#include <linux/ioctl.h>
	#ifdef HAVE_ANDROID_OS
	# include <linux/android_alarm.h>
	#endif

	#undef LOG_TAG
	#define LOG_TAG "runtime"

	static const char* ZYGOTE_ARGV[] = {
	"--setuid=1000",
	"--setgid=1000",
	"--setgroups=1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,3001,3002,3003",
	/* CAP_SYS_TTY_CONFIG & CAP_SYS_RESOURCE & CAP_NET_BROADCAST &
	* CAP_NET_ADMIN & CAP_NET_RAW & CAP_NET_BIND_SERVICE & CAP_KILL &
	* CAP_SYS_BOOT CAP_SYS_NICE
	*/
	"--capabilities=96549920,96549920",
	"--runtime-init",
	"--nice-name=system_server",
	"com.android.server.SystemServer"
	};

	using namespace android;

	extern "C" status_t system_init();

	enum {
	SYSTEM_PROCESS_TAG = DEFAULT_PROCESS_TAG+1
	};

	extern Mutex gEventQMutex;
	extern Condition gEventQCondition;

	namespace android {

	extern status_t app_init(const char* className);
	extern void set_finish_init_func(void (*func)());


	/**
	* This class is used to kill this process (runtime) when the system_server dies.
	*/
	class GrimReaper : public IBinder::DeathRecipient {
	public:
	GrimReaper() { }

	virtual void binderDied(const wp<IBinder>& who)
	{
	LOGI("Grim Reaper killing runtime...");
	kill(getpid(), SIGKILL);
	}
	};

	extern void QuickTests();

	/*
	* Print usage info.
	*/
	static void usage(const char* argv0)
	{
	fprintf(stderr,
	"Usage: runtime [-g gamma] [-l logfile] [-n] [-s]\n"
	" [-j app-component] [-v app-verb] [-d app-data]\n"
	"\n"
	"-l: File to send log messages to\n"
	"-n: Don't print to stdout/stderr\n"
	"-s: Force single-process mode\n"
	"-j: Custom home app component name\n"
	"-v: Custom home app intent verb\n"
	"-d: Custom home app intent data\n"
	);
	exit(1);
	}

	// Selected application to run.
	static const char* gInitialApplication = NULL;
	static const char* gInitialVerb = NULL;
	static const char* gInitialData = NULL;

	static void writeStringToParcel(Parcel& parcel, const char* str)
	{
	if (str) {
	parcel.writeString16(String16(str));
	} else {
	parcel.writeString16(NULL, 0);
	}
	}

	/*
	* Starting point for program logic.
	*
	* Returns with an exit status code (0 on success, nonzero on error).
	*/
	static int run(sp<ProcessState>& proc)
	{
	// Temporary hack to call startRunning() on the activity manager.
	sp<IServiceManager> sm = defaultServiceManager();
	sp<IBinder> am;
	while ((am = sm->getService(String16("activity"))) == NULL) {
	LOGI("Waiting for activity manager...");
	}
	Parcel data, reply;
	// XXX Need to also supply a package name for this to work again.
	// IActivityManager::getInterfaceDescriptor() is the token for invoking on this interface;
	// hardcoding it here avoids having to link with the full Activity Manager library
	data.writeInterfaceToken(String16("android.app.IActivityManager"));
	writeStringToParcel(data, NULL);
	writeStringToParcel(data, gInitialApplication);
	writeStringToParcel(data, gInitialVerb);
	writeStringToParcel(data, gInitialData);
	LOGI("run() sending FIRST_CALL_TRANSACTION to activity manager");
	am->transact(IBinder::FIRST_CALL_TRANSACTION, data, &reply);

	if (proc->supportsProcesses()) {
	// Now we link to the Activity Manager waiting for it to die. If it does kill ourself.
	// initd will restart this process and bring the system back up.
	sp<GrimReaper> grim = new GrimReaper();
	am->linkToDeath(grim, grim.get(), 0);

	// Now join the thread pool. Note this is needed so that the message enqueued in the driver
	// for the linkToDeath gets processed.
	IPCThreadState::self()->joinThreadPool();
	} else {
	// Keep this thread running forever...
	while (1) {
	usleep(100000);
	}
	}
	return 1;
	}


	}; // namespace android


	/*
	* Post-system-process initialization.
	*
	* This function continues initialization after the system process
	* has been initialized. It needs to be separate because the system
	* initialization needs to care of starting the Android runtime if it is not
	* running in its own process, which doesn't return until the runtime is
	* being shut down. So it will call back to here from inside of Dalvik,
	* to allow us to continue booting up.
	*/
	static void finish_system_init(sp<ProcessState>& proc)
	{
	// If we are running multiprocess, we now need to have the
	// thread pool started here. We don't do this in boot_init()
	// because when running single process we need to start the
	// thread pool after the Android runtime has been started (so
	// the pool uses Dalvik threads).
	if (proc->supportsProcesses()) {
	proc->startThreadPool();
	}
	}


	// This function can be used to enforce security to different
	// root contexts. For now, we just give every access.
	static bool contextChecker(
	const String16& name, const sp<IBinder>& caller, void* userData)
	{
	return true;
	}

	/*
	* Initialization of boot services.
	*
	* This is where we perform initialization of all of our low-level
	* boot services. Most importantly, here we become the context
	* manager and use that to publish the service manager that will provide
	* access to all other services.
	*/
	static void boot_init()
	{
	LOGI("Entered boot_init()!\n");

	sp<ProcessState> proc(ProcessState::self());
	LOGD("ProcessState: %p\n", proc.get());
	proc->becomeContextManager(contextChecker, NULL);

	if (proc->supportsProcesses()) {
	LOGI("Binder driver opened. Multiprocess enabled.\n");
	} else {
	LOGI("Binder driver not found. Processes not supported.\n");
	}

	sp<BServiceManager> sm = new BServiceManager;
	proc->setContextObject(sm);
	}

	/*
	* Redirect stdin/stdout/stderr to /dev/null.
	*/
	static void redirectStdFds(void)
	{
	int fd = open("/dev/null", O_RDWR, 0);
	if (fd < 0) {
	LOGW("Unable to open /dev/null: %s\n", strerror(errno));
	} else {
	dup2(fd, 0);
	dup2(fd, 1);
	dup2(fd, 2);
	close(fd);
	}
	}

	static int hasDir(const char* dir)
	{
	struct stat s;
	int res = stat(dir, &s);
	if (res == 0) {
	return S_ISDIR(s.st_mode);
	}
	return 0;
	}

	static void validateTime()
	{
	#if HAVE_ANDROID_OS
	int fd;
	int res;
	time_t min_time = 1167652800; // jan 1 2007, type 'date -ud "1/1 12:00" +%s' to get value for current year
	struct timespec ts;

	fd = open("/dev/alarm", O_RDWR);
	if(fd < 0) {
	LOGW("Unable to open alarm driver: %s\n", strerror(errno));
	return;
	}
	res = ioctl(fd, ANDROID_ALARM_GET_TIME(ANDROID_ALARM_RTC_WAKEUP), &ts);
	if(res < 0) {
	LOGW("Unable to read rtc, %s\n", strerror(errno));
	}
	else if(ts.tv_sec >= min_time) {
	goto done;
	}
	LOGW("Invalid time detected, %ld set to %ld\n", ts.tv_sec, min_time);
	ts.tv_sec = min_time;
	ts.tv_nsec = 0;
	res = ioctl(fd, ANDROID_ALARM_SET_RTC, &ts);
	if(res < 0) {
	LOGW("Unable to set rtc to %ld: %s\n", ts.tv_sec, strerror(errno));
	}
	done:
	close(fd);
	#endif
	}

	#ifndef HAVE_ANDROID_OS
	class QuickRuntime : public AndroidRuntime
	{
	public:
	QuickRuntime() {}

	virtual void onStarted()
	{
	printf("QuickRuntime: onStarted\n");
	}
	};
	#endif

	static status_t start_process(const char* name);

	static void restart_me(pid_t child, void* userData)
	{
	start_process((const char*)userData);
	}

	static status_t start_process(const char* name)
	{
	String8 path(name);
	Vector<const char*> args;
	String8 leaf(path.getPathLeaf());
	String8 parentDir(path.getPathDir());
	args.insertAt(leaf.string(), 0);
	args.add(parentDir.string());
	args.add(NULL);
	pid_t child = fork();
	if (child < 0) {
	status_t err = errno;
	LOGE("*** fork of child %s failed: %s", leaf.string(), strerror(err));
	return -errno;
	} else if (child == 0) {
	LOGI("Executing: %s", path.string());
	execv(path.string(), const_cast<char**>(args.array()));
	int err = errno;
	LOGE("Exec failed: %s\n", strerror(err));
	_exit(err);
	} else {
	SignalHandler::setChildHandler(child, DEFAULT_PROCESS_TAG,
	restart_me, (void*)name);
	}
	return -errno;
	}

	/*
	* Application entry point.
	*
	* Parse arguments, set some values, and pass control off to Run().
	*
	* This is redefined to "SDL_main" on SDL simulator builds, and
	* "runtime_main" on wxWidgets builds.
	*/
	extern "C"
	int main(int argc, char* const argv[])
	{
	bool singleProcess = false;
	const char* logFile = NULL;
	int ic;
	int result = 1;
	pid_t systemPid;

	sp<ProcessState> proc;

	#ifndef HAVE_ANDROID_OS
	/* Set stdout/stderr to unbuffered for MinGW/MSYS. */
	//setvbuf(stdout, NULL, _IONBF, 0);
	//setvbuf(stderr, NULL, _IONBF, 0);

	LOGI("commandline args:\n");
	for (int i = 0; i < argc; i++)
	LOGI(" %2d: '%s'\n", i, argv[i]);
	#endif

	while (1) {
	ic = getopt(argc, argv, "g:j:v:d:l:ns");
	if (ic < 0)
	break;

	switch (ic) {
	case 'g':
	break;
	case 'j':
	gInitialApplication = optarg;
	break;
	case 'v':
	gInitialVerb = optarg;
	break;
	case 'd':
	gInitialData = optarg;
	break;
	case 'l':
	logFile = optarg;
	break;
	case 'n':
	redirectStdFds();
	break;
	case 's':
	singleProcess = true;
	break;
	case '?':
	default:
	LOGE("runtime: unrecognized flag -%c\n", ic);
	usage(argv[0]);
	break;
	}
	}
	if (optind < argc) {
	LOGE("runtime: extra stuff: %s\n", argv[optind]);
	usage(argv[0]);
	}

	if (singleProcess) {
	ProcessState::setSingleProcess(true);
	}

	if (logFile != NULL) {
	android_logToFile(NULL, logFile);
	}

	/*
	* Set up ANDROID_* environment variables.
	*
	* TODO: the use of $ANDROID_PRODUCT_OUT will go away soon.
	*/
	static const char* kSystemDir = "/system";
	static const char* kDataDir = "/data";
	static const char* kAppSubdir = "/app";
	const char* out = NULL;
	#ifndef HAVE_ANDROID_OS
	//out = getenv("ANDROID_PRODUCT_OUT");
	#endif
	if (out == NULL)
	out = "";

	char* systemDir = (char*) malloc(strlen(out) + strlen(kSystemDir) +1);
	char* dataDir = (char*) malloc(strlen(out) + strlen(kDataDir) +1);

	sprintf(systemDir, "%s%s", out, kSystemDir);
	sprintf(dataDir, "%s%s", out, kDataDir);
	setenv("ANDROID_ROOT", systemDir, 1);
	setenv("ANDROID_DATA", dataDir, 1);

	char* assetDir = (char*) malloc(strlen(systemDir) + strlen(kAppSubdir) +1);
	sprintf(assetDir, "%s%s", systemDir, kAppSubdir);

	LOGI("Startup: sys='%s' asset='%s' data='%s'\n",
	systemDir, assetDir, dataDir);
	free(systemDir);
	free(dataDir);

	#ifdef HAVE_ANDROID_OS
	/* set up a process group for easier killing on the device */
	setpgid(0, getpid());
	#endif

	// Change to asset dir. This is only necessary if we've changed to
	// a different directory, but there's little harm in doing it regardless.
	//
	// Expecting assets to live in the current dir is not a great idea,
	// because some of our code or one of our libraries could change the
	// directory out from under us. Preserve the behavior for now.
	if (chdir(assetDir) != 0) {
	LOGW("WARNING: could not change dir to '%s': %s\n",
	assetDir, strerror(errno));
	}
	free(assetDir);

	#if 0
	// Hack to keep libc from beating the filesystem to death. It's
	// hitting /etc/localtime frequently,
	//
	// This statement locks us into Pacific time. We could do better,
	// but there's not much point until we're sure that the library
	// can't be changed to do more along the lines of what we want.
	#ifndef XP_WIN
	setenv("TZ", "PST+8PDT,M4.1.0/2,M10.5.0/2", true);
	#endif
	#endif

	/* track our progress through the boot sequence */
	const int LOG_BOOT_PROGRESS_START = 3000;
	LOG_EVENT_LONG(LOG_BOOT_PROGRESS_START,
	ns2ms(systemTime(SYSTEM_TIME_MONOTONIC)));

	validateTime();

	proc = ProcessState::self();

	boot_init();

	/* If we are in multiprocess mode, have zygote spawn the system
	* server process and call system_init(). If we are running in
	* single process mode just call system_init() directly.
	*/
	if (proc->supportsProcesses()) {
	// If stdio logging is on, system_server should not inherit our stdio
	// The dalvikvm instance will copy stdio to the log on its own
	char propBuf[PROPERTY_VALUE_MAX];
	bool logStdio = false;
	property_get("log.redirect-stdio", propBuf, "");
	logStdio = (strcmp(propBuf, "true") == 0);

	zygote_run_oneshot((int)(!logStdio),
	sizeof(ZYGOTE_ARGV) / sizeof(ZYGOTE_ARGV[0]),
	ZYGOTE_ARGV);

	//start_process("/system/bin/mediaserver");

	} else {
	#ifndef HAVE_ANDROID_OS
	QuickRuntime* runt = new QuickRuntime();
	runt->start("com/android/server/SystemServer",
	false /* spontaneously fork system server from zygote */);
	#endif
	}

	//printf("+++ post-zygote\n");

	finish_system_init(proc);
	run(proc);

	bail:
	if (proc != NULL) {
	proc->setContextObject(NULL);
	}

	return 0;
	}