git: openjdk/jdk: 8287496: Alternative virtual thread implementation that maps to OS thread

[Alan Bateman]

Changeset: 6ff2d89e
Author:    Alan Bateman <alanb at openjdk.org>
Date:      2022-06-02 09:02:37 +0000
URL:       https://git.openjdk.java.net/jdk/commit/6ff2d89ea11934bb13c8a419e7bad4fd40f76759

8287496: Alternative virtual thread implementation that maps to OS thread

Reviewed-by: rehn, mchung

! make/data/hotspot-symbols/symbols-unix
! src/hotspot/cpu/aarch64/globals_aarch64.hpp
! src/hotspot/cpu/arm/globals_arm.hpp
! src/hotspot/cpu/ppc/globals_ppc.hpp
! src/hotspot/cpu/riscv/globals_riscv.hpp
! src/hotspot/cpu/s390/globals_s390.hpp
! src/hotspot/cpu/x86/globals_x86.hpp
! src/hotspot/cpu/zero/globals_zero.hpp
! src/hotspot/share/classfile/vmClassMacros.hpp
! src/hotspot/share/classfile/vmSymbols.hpp
! src/hotspot/share/include/jvm.h
! src/hotspot/share/interpreter/abstractInterpreter.cpp
! src/hotspot/share/prims/jni.cpp
! src/hotspot/share/prims/jvm.cpp
! src/hotspot/share/runtime/continuation.cpp
! src/hotspot/share/runtime/globals.hpp
! src/hotspot/share/services/threadService.cpp
! src/hotspot/share/services/threadService.hpp
+ src/java.base/share/classes/java/lang/BaseVirtualThread.java
! src/java.base/share/classes/java/lang/System.java
! src/java.base/share/classes/java/lang/Thread.java
! src/java.base/share/classes/java/lang/ThreadBuilders.java
! src/java.base/share/classes/java/lang/VirtualThread.java
! src/java.base/share/classes/jdk/internal/vm/Continuation.java
+ src/java.base/share/classes/jdk/internal/vm/ContinuationSupport.java
+ src/java.base/share/native/libjava/ContinuationSupport.c
! src/java.base/share/native/libjava/PreviewFeatures.c
! src/java.management/share/classes/java/lang/management/ThreadInfo.java
! src/java.management/share/classes/sun/management/ThreadImpl.java
! src/java.management/share/classes/sun/management/Util.java
! test/hotspot/jtreg/TEST.ROOT
! test/hotspot/jtreg/runtime/cds/appcds/redefineClass/RedefineRunningMethods_Shared.java
! test/hotspot/jtreg/runtime/vthread/JNIMonitor/JNIMonitor.java
! test/hotspot/jtreg/serviceability/jvmti/thread/GetFrameCount/framecnt01/framecnt01.java
! test/jdk/TEST.ROOT
! test/jdk/com/sun/jdi/JdbOptions.java
! test/jdk/java/lang/Thread/virtual/CustomScheduler.java
! test/jdk/java/lang/Thread/virtual/GetStackTraceWhenRunnable.java
! test/jdk/java/lang/Thread/virtual/HoldsLock.java
! test/jdk/java/lang/Thread/virtual/JfrEvents.java
! test/jdk/java/lang/Thread/virtual/ParkWithFixedThreadPool.java
! test/jdk/java/lang/Thread/virtual/Reflection.java
! test/jdk/java/lang/Thread/virtual/StackTraces.java
! test/jdk/java/lang/Thread/virtual/ThreadAPI.java
! test/jdk/java/lang/Thread/virtual/ThreadBuilders.java
! test/jdk/java/lang/Thread/virtual/TracePinnedThreads.java
! test/jdk/java/lang/Thread/virtual/stress/GetStackTraceALot.java
! test/jdk/java/lang/Thread/virtual/stress/Skynet.java
! test/jdk/java/lang/Thread/virtual/stress/SleepALot.java
! test/jdk/java/lang/Thread/virtual/stress/TimedGet.java
! test/jdk/java/lang/instrument/ParallelTransformerLoaderTest.java
! test/jdk/java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java
! test/jdk/java/lang/management/ThreadMXBean/VirtualThreads.java
! test/jdk/java/net/vthread/BlockingSocketOps.java
! test/jdk/java/nio/channels/vthread/BlockingChannelOps.java
! test/jdk/jdk/internal/vm/Continuation/Basic.java
! test/jdk/jdk/internal/vm/Continuation/ClassUnloading.java
! test/jdk/jdk/internal/vm/Continuation/Fuzz.java
! test/jdk/jdk/internal/vm/Continuation/HumongousStack.java
! test/jdk/jdk/internal/vm/Continuation/LiveFramesDriver.java
! test/jdk/jdk/internal/vm/Continuation/Scoped.java
! test/jdk/jdk/jfr/event/runtime/TestThreadEndEvent.java
! test/jdk/jdk/jfr/event/runtime/TestThreadSleepEvent.java
! test/jdk/jdk/jfr/event/runtime/TestThreadStartEvent.java
! test/jdk/jdk/jfr/event/runtime/TestVirtualThreadEndEvent.java
! test/jdk/jdk/jfr/event/runtime/TestVirtualThreadStartEvent.java
! test/jdk/jdk/jfr/jvm/TestThreadExclusion.java
! test/jdk/jdk/jfr/jvm/TestVirtualThreadExclusion.java
! test/jdk/jdk/jfr/threading/TestDeepVirtualStackTrace.java
! test/jdk/jdk/jfr/threading/TestManyVirtualThreads.java
! test/jdk/jdk/jfr/threading/TestNestedVirtualThreads.java
! test/jtreg-ext/requires/VMProps.java