History log of /libcore/ojluni/src/main/java/sun/misc/Hashing.java
Revision Date Author Comments
6d562f688e350ade3c025bfb1c4c8cca9b3e2030 13-Apr-2016 Narayan Kamath <narayan@google.com> HashMap: Remove support for alt-hashing.

This approach has been abandoned in OpenJdk8 (in favour of tree-ifying
when the number of collisions for a given key is large). Given that :

(1) Alt-hashing has always been disabled on Android (the threshold
was Integer.MAX_VALUE).
(2) The OpenJdk8 changes are fairly extensive.

We revert to what's essentially the Android M implementation of HashMap;
always using a secondary hash, always ignoring the load factor and starting
with an initial size of 4.

The Hashtable implementation has been left untouched, except for the
removal of effectively dead alt-hashing code.

bug: 28082128

(cherry picked from commit bfada6f78af63fd626be6991c696cb0393289686)

Change-Id: Id0378441104659d341ffaf0b0edf42c592586fae
983b2c6ff9ea6d35adf7ab6398dccf870b7e180a 24-Apr-2015 Piotr Jastrzebski <haaawk@google.com> Use OpenJdk implementation for java.util.*

- Add a target for currency data (currency.data).
- Arrays: Add an android specific debugging method.
- Currency: Use ICU4C data.
- EnumMap / EnumSet : Use JavaLangAccess directly.
- HashMap / Hashtable / LinkedHashMap : Make Entry<K,V> public.
- LinkedHashMap : Add an eldest() method.
- Locale : Fix handling of 3 letter region codes.
- Scanner : Temporarily remove references to the nio file APIs.
- ServiceLoader : Add a method to instantiate a class from a system
property (used in other parts of libcore).
- Hashing : Use JavaLangAccess directly.
- VM : Remove native initialization (doesn't apply here).

Change-Id: I8e870357cf3987cd571c7ebe8bc633a85380a8d5
51b1b6997fd3f980076b8081f7f1165ccc2a4008 16-Feb-2015 Piotr Jastrzebski <haaawk@google.com> Initial import of OpenJdk files.

Create new libcore/ojluni directory with src/main/java and
src/main/native subdirectiories.

Build ojluni into core-oj jar.

Use openjdk classes from java.awt.font package.

Copy all files from jdk/src/share/classes and jdk/src/solaris/classes
directories in openjdk into libcore/ojluni/src/main/java.

Copy following native files from openjdk to
libcore/ojluni/src/main/native:
jdk/src/solaris/native/java/io/canonicalize_md.c
build/linux-amd64/include/classfile_constants.h
jdk/src/share/native/java/net/DatagramPacket.c
jdk/src/solaris/native/sun/net/spi/DefaultProxySelector.c
jdk/src/share/native/java/lang/Double.c
jdk/src/share/native/java/lang/fdlibm/include/fdlibm.h
jdk/src/solaris/native/sun/nio/ch/FileChannelImpl.c
jdk/src/solaris/native/java/io/FileDescriptor_md.c
jdk/src/solaris/native/sun/nio/ch/FileDispatcherImpl.c
jdk/src/share/native/java/io/FileInputStream.c
jdk/src/solaris/native/sun/nio/ch/FileKey.c
jdk/src/solaris/native/java/io/FileOutputStream_md.c
jdk/src/solaris/native/java/io/FileSystem_md.c
jdk/src/share/native/java/lang/Float.c
jdk/src/share/native/java/net/Inet4Address.c
jdk/src/solaris/native/java/net/Inet4AddressImpl.c
jdk/src/share/native/java/net/Inet6Address.c
jdk/src/solaris/native/java/net/Inet6AddressImpl.c
jdk/src/share/native/java/net/InetAddress.c
jdk/src/solaris/native/java/net/InetAddressImplFactory.c
jdk/src/share/native/java/io/io_util.c
jdk/src/solaris/native/sun/nio/ch/IOUtil.c
jdk/src/share/native/java/io/io_util.h
jdk/src/solaris/native/java/io/io_util_md.c
jdk/src/solaris/native/java/io/io_util_md.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/java_io_FileDescriptor.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_io_FileInputStream.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_io_FileOutputStream.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_io_FileSystem.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_io_ObjectStreamClass.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_io_UnixFileSystem.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Double.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Float.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Integer.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Long.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Runtime.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Shutdown.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_StrictMath.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_String.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_System.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Thread.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/java_lang_Throwable.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_DatagramPacket.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_Inet4Address.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_Inet4AddressImpl.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_Inet6Address.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_Inet6AddressImpl.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_InetAddress.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_InetAddressImplFactory.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_NetworkInterface.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_PlainDatagramSocketImpl.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_PlainSocketImpl.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_SocketInputStream.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_SocketOptions.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/java_net_SocketOutputStream.h
jdk/src/share/native/java/lang/java_props.h
jdk/src/solaris/native/java/lang/java_props_md.c
jdk/src/share/native/java/util/zip/Adler32.c as java_util_zip_Adler32.c
jdk/src/share/native/java/util/zip/CRC32.c as java_util_zip_CRC32.c
build/linux-amd64/tmp/sun/java.util.zip/zip/CClassHeaders/java_util_zip_CRC32.h
jdk/src/share/native/java/util/zip/Deflater.c as java_util_zip_Deflater.c
build/linux-amd64/tmp/sun/java.util.zip/zip/CClassHeaders/java_util_zip_Deflater.h
jdk/src/share/native/java/util/zip/Inflater.c as java_util_zip_Inflater.c
build/linux-amd64/tmp/sun/java.util.zip/zip/CClassHeaders/java_util_zip_Inflater.h
jdk/src/share/native/java/util/zip/ZipFile.c as java_util_zip_ZipFile.c
build/linux-amd64/tmp/sun/java.util.zip/zip/CClassHeaders/java_util_zip_ZipFile.h
jdk/src/share/native/java/lang/fdlibm/include/jfdlibm.h
jdk/src/share/native/common/jlong.h
jdk/src/solaris/native/common/jlong_md.h
jdk/src/share/native/common/jni_util.c
jdk/src/share/native/common/jni_util.h
jdk/src/solaris/native/common/jni_util_md.c
jdk/src/share/javavm/export/jvm.h
jdk/src/solaris/javavm/export/jvm_md.h
jdk/src/solaris/native/java/net/linux_close.c
jdk/src/share/native/sun/misc/NativeSignalHandler.c
jdk/src/solaris/native/sun/nio/ch/NativeThread.c
jdk/src/share/native/java/net/net_util.c
jdk/src/share/native/java/net/net_util.h
jdk/src/solaris/native/java/net/net_util_md.c
jdk/src/solaris/native/java/net/net_util_md.h
jdk/src/solaris/native/java/net/NetworkInterface.c
jdk/src/share/native/sun/nio/ch/nio.h
jdk/src/solaris/native/sun/nio/ch/nio_util.h
jdk/src/share/native/java/io/ObjectStreamClass.c
jdk/src/solaris/native/java/net/PlainDatagramSocketImpl.c
jdk/src/solaris/native/java/net/PlainSocketImpl.c
jdk/src/solaris/native/java/lang/ProcessEnvironment_md.c
jdk/src/share/native/java/lang/Runtime.c
jdk/src/share/native/java/lang/Shutdown.c
jdk/src/share/native/sun/misc/Signal.c
jdk/src/solaris/native/java/net/SocketInputStream.c
jdk/src/solaris/native/java/net/SocketOutputStream.c
jdk/src/share/native/java/lang/StrictMath.c
jdk/src/share/native/java/lang/String.c
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/sun_misc_NativeSignalHandler.h
build/linux-amd64/tmp/java/java.lang/java/CClassHeaders/sun_misc_Signal.h
build/linux-amd64/tmp/sun/java.net/net/CClassHeaders/sun_net_spi_DefaultProxySelector.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/sun_nio_ch_FileChannelImpl.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/sun_nio_ch_FileDispatcherImpl.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/sun_nio_ch_FileKey.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/sun_nio_ch_IOStatus.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/sun_nio_ch_IOUtil.h
build/linux-amd64/tmp/java/java.nio/nio/CClassHeaders/sun_nio_ch_NativeThread.h
jdk/src/share/native/java/lang/System.c
jdk/src/share/native/java/lang/Thread.c
jdk/src/share/native/java/lang/Throwable.c
jdk/src/solaris/native/java/io/UnixFileSystem_md.c
jdk/src/solaris/native/java/lang/UNIXProcess_md.c
jdk/src/share/native/java/util/zip/zip_util.c
jdk/src/share/native/java/util/zip/zip_util.h

Change-Id: Ib237df4e1b7b5b4d9f12e74d189e6ec9eed3c31d