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Commit 927c15c4 authored by Neil Fuller's avatar Neil Fuller
Browse files

Track ZygoteHooks API changes in libcore 

Track ZygoteHooks API changes in libcore to make
the ZygoteHooks API more consistent.

Bug: 111742291
Test: build / boot / treehugger
Merged-In: Ie65aac6539cffc90663807791511b95a6cd61ab4
Change-Id: Ie65aac6539cffc90663807791511b95a6cd61ab4
parent 9fdc6d29

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

+9 −11
Original line number Diff line number Diff line
@@ -120,8 +120,6 @@ public final class Zygote { 
     * */

    protected static FileDescriptor sBlastulaPoolEventFD;



    private static final ZygoteHooks VM_HOOKS = new ZygoteHooks();



    /**

     * An extraArg passed when a zygote process is forking a child-zygote, specifying a name

     * in the abstract socket namespace. This socket name is what the new child zygote
@@ -213,7 +211,7 @@ public final class Zygote { 
    public static int forkAndSpecialize(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) {

        VM_HOOKS.preFork();

        ZygoteHooks.preFork();

        // Resets nice priority for zygote process.

        resetNicePriority();

        int pid = nativeForkAndSpecialize(
@@ -226,7 +224,7 @@ public final class Zygote { 
            // Note that this event ends at the end of handleChildProc,

            Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "PostFork");

        }

        VM_HOOKS.postForkCommon();

        ZygoteHooks.postForkCommon();

        return pid;

    }
@@ -275,7 +273,7 @@ public final class Zygote { 
         *

         * TODO (chriswailes): Look into moving this to immediately after the fork.

         */

        VM_HOOKS.postForkCommon();

        ZygoteHooks.postForkCommon();

    }



    private static native void nativeSpecializeBlastula(int uid, int gid, int[] gids,
@@ -312,7 +310,7 @@ public final class Zygote { 
     */

    public static int forkSystemServer(int uid, int gid, int[] gids, int runtimeFlags,

            int[][] rlimits, long permittedCapabilities, long effectiveCapabilities) {

        VM_HOOKS.preFork();

        ZygoteHooks.preFork();

        // Resets nice priority for zygote process.

        resetNicePriority();

        int pid = nativeForkSystemServer(
@@ -322,7 +320,7 @@ public final class Zygote { 
        if (pid == 0) {

            Trace.setTracingEnabled(true, runtimeFlags);

        }

        VM_HOOKS.postForkCommon();

        ZygoteHooks.postForkCommon();

        return pid;

    }
@@ -390,7 +388,7 @@ public final class Zygote { 


            // Disable some VM functionality and reset some system values

            // before forking.

            VM_HOOKS.preFork();

            ZygoteHooks.preFork();

            resetNicePriority();



            while (blastulaPoolCount++ < sBlastulaPoolMax) {
@@ -403,7 +401,7 @@ public final class Zygote { 


            // Re-enable runtime services for the Zygote.  Blastula services

            // are re-enabled in specializeBlastula.

            VM_HOOKS.postForkCommon();

            ZygoteHooks.postForkCommon();



            Log.i("zygote", "Filled the blastula pool. New blastulas: " + numBlastulasToSpawn);

        }
@@ -817,12 +815,12 @@ public final class Zygote { 


    private static void callPostForkSystemServerHooks() {

        // SystemServer specific post fork hooks run before child post fork hooks.

        VM_HOOKS.postForkSystemServer();

        ZygoteHooks.postForkSystemServer();

    }



    private static void callPostForkChildHooks(int runtimeFlags, boolean isSystemServer,

            boolean isZygote, String instructionSet) {

        VM_HOOKS.postForkChild(runtimeFlags, isSystemServer, isZygote, instructionSet);

        ZygoteHooks.postForkChild(runtimeFlags, isSystemServer, isZygote, instructionSet);

    }



    /**