Merge "Implemented native functions and types for blastula management." (b4be5cdf) · Commits · e / os / android_frameworks_base

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

+34 −13

Original line number	Diff line number	Diff line
		@@ -126,7 +126,7 @@ public final class Zygote {
		private Zygote() {}

		/** 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
		@@ -184,15 +184,20 @@ public final class Zygote {
		return pid;
		}

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

		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, String packageName,
		String[] packagesForUid, String[] visibleVolIds);

		/**
		* 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
		@@ -223,7 +228,8 @@ public final class Zygote {
		// Resets nice priority for zygote process.
		resetNicePriority();
		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.
		if (pid == 0) {
		Trace.setTracingEnabled(true, runtimeFlags);
		@@ -232,13 +238,13 @@ public final class Zygote {
		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);

		/**
		* 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);

		/**
		* Installs a seccomp filter that limits setresuid()/setresgid() to the passed-in range
		@@ -251,7 +257,22 @@ public final class Zygote {
		* Zygote unmount storage space on initializing.
		* 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() {
		// SystemServer specific post fork hooks run before child post fork hooks.