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Commit 204386e1 authored by Dimitry Ivanov's avatar Dimitry Ivanov Committed by Nicolas Geoffray
Browse files

zygote to preload public native libraries 

Preload public native libraries when starting a zygote
This lets other users of libnativeloader (like dex2oat)
avoid unnecessary cold loads of libandroid.so which could
take up to a second.

Bug: http://b/27245894

(cherry picked from commit b0824979)

Change-Id: I04a640c104dba5b585a59d63270e81b6c9ad6f7e
parent 33e76776

cmds/app_process/Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ LOCAL_SHARED_LIBRARIES := \ 
    libutils \

    liblog \

    libbinder \

    libnativeloader \

    libandroid_runtime \

    $(app_process_common_shared_libs) \

cmds/app_process/app_main.cpp

+2 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <cutils/process_name.h>

#include <cutils/properties.h>

#include <cutils/trace.h>

#include <nativeloader/native_loader.h>

#include <android_runtime/AndroidRuntime.h>

#include <private/android_filesystem_config.h>  // for AID_SYSTEM
@@ -304,6 +305,7 @@ int main(int argc, char* const argv[]) 
    }



    if (zygote) {

        PreloadPublicNativeLibraries();

        runtime.start("com.android.internal.os.ZygoteInit", args, zygote);

    } else if (className) {

        runtime.start("com.android.internal.os.RuntimeInit", args, zygote);