Merge "Implemented native functions and types for blastula management." am: 5222bf368b (3f076da2) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/os/Zygote.java

+34 −13

Original line number	Original line	Diff line number	Diff line
	@@ -94,7 +94,7 @@ public final class Zygote {
	private Zygote() {}		private Zygote() {}

	/** Called for some security initialization before any fork. */		/** Called for some security initialization before any fork. */
	native static void nativeSecurityInit();		static native void nativeSecurityInit();

	/**		/**
	* Forks a new VM instance. The current VM must have been started		* Forks a new VM instance. The current VM must have been started
	@@ -150,14 +150,19 @@ public final class Zygote {
	return pid;		return pid;
	}		}

	native private static int nativeForkAndSpecialize(int uid, int gid, int[] gids,int runtimeFlags,		private static native int nativeForkAndSpecialize(int uid, int gid, int[] gids,
	int[][] rlimits, int mountExternal, String seInfo, String niceName, int[] fdsToClose,		int runtimeFlags, int[][] rlimits, int mountExternal, String seInfo, String niceName,
	int[] fdsToIgnore, boolean startChildZygote, String instructionSet, String appDataDir);		int[] fdsToClose, int[] fdsToIgnore, boolean startChildZygote, String instructionSet,
			String appDataDir);

			private static native void nativeSpecializeBlastula(int uid, int gid, int[] gids,
			int runtimeFlags, int[][] rlimits, int mountExternal, String seInfo, String niceName,
			boolean startChildZygote, String instructionSet, String appDataDir);

	/**		/**
	* Called to do any initialization before starting an application.		* Called to do any initialization before starting an application.
	*/		*/
	native static void nativePreApplicationInit();		static native void nativePreApplicationInit();

	/**		/**
	* Special method to start the system server process. In addition to the		* Special method to start the system server process. In addition to the
	@@ -188,7 +193,8 @@ public final class Zygote {
	// Resets nice priority for zygote process.		// Resets nice priority for zygote process.
	resetNicePriority();		resetNicePriority();
	int pid = nativeForkSystemServer(		int pid = nativeForkSystemServer(
	uid, gid, gids, runtimeFlags, rlimits, permittedCapabilities, effectiveCapabilities);		uid, gid, gids, runtimeFlags, rlimits,
			permittedCapabilities, effectiveCapabilities);
	// Enable tracing as soon as we enter the system_server.		// Enable tracing as soon as we enter the system_server.
	if (pid == 0) {		if (pid == 0) {
	Trace.setTracingEnabled(true, runtimeFlags);		Trace.setTracingEnabled(true, runtimeFlags);
	@@ -197,19 +203,34 @@ public final class Zygote {
	return pid;		return pid;
	}		}

	native private static int nativeForkSystemServer(int uid, int gid, int[] gids, int runtimeFlags,		private static native int nativeForkSystemServer(int uid, int gid, int[] gids, int runtimeFlags,
	int[][] rlimits, long permittedCapabilities, long effectiveCapabilities);		int[][] rlimits, long permittedCapabilities, long effectiveCapabilities);

	/**		/**
	* Lets children of the zygote inherit open file descriptors to this path.		* Lets children of the zygote inherit open file descriptors to this path.
	*/		*/
	native protected static void nativeAllowFileAcrossFork(String path);		protected static native void nativeAllowFileAcrossFork(String path);

	/**		/**
	* Zygote unmount storage space on initializing.		* Zygote unmount storage space on initializing.
	* This method is called once.		* This method is called once.
	*/		*/
	native protected static void nativeUnmountStorageOnInit();		protected static native void nativeUnmountStorageOnInit();

			protected static native void nativeGetSocketFDs(boolean isPrimary);

			private static native int nativeGetBlastulaPoolCount();

			private static native int nativeGetBlastulaPoolEventFD();

			private static native int nativeForkBlastula(int readPipeFD,
			int writePipeFD,
			int[] sessionSocketRawFDs);

			private static native int[] nativeGetBlastulaPipeFDs();

			private static native boolean nativeRemoveBlastulaTableEntry(int blastulaPID);


	private static void callPostForkSystemServerHooks() {		private static void callPostForkSystemServerHooks() {
	// SystemServer specific post fork hooks run before child post fork hooks.		// SystemServer specific post fork hooks run before child post fork hooks.