c4d0e4d7cb - platform/art

commit	c4d0e4d7cb3b742c5bd7f396c9dbdba88c1686d9	[log] [tgz]
author	Victor Chang <vichang@google.com>	Tue Jul 01 17:22:41 2025 +0100
committer	Victor Chang <vichang@google.com>	Mon Jul 07 21:28:10 2025 +0100
tree	caddceb038c3761281446a27b3b6b9a23dbdcc86
parent	1d8b73339c7b86c14792e07f9243e90a4e097bd1 [diff]

Implement Virtual Thread and Continuation API

It makes the following API functional:
Thread.startVirtualThread(Runnable)
Thread.ofVirtual()

The following APIs should be Virtual-Thread-compatible:
Thread.sleep
LockSupport.park*
ReentrantLock

The feature is behind the virtual_thread_impl_v1 flag

Flag: com.android.art.flags.virtual_thread_impl_v1
Bug: 346542404
Test: 2394-continuation-yields
Test: 2395-virtual-thread-reentrantlock
Test: 2395-virtual-thread-sleep-api
Test: CtsLibcoreOjTestCases:java.lang.Thread.virtual
Change-Id: I15734380d27c11fb23b73890995df41f3d963dab

runtime/Android.bp[diff]
runtime/interpreter/interpreter_common.cc[diff]
runtime/native/java_lang_Thread.cc[diff]
runtime/native/jdk_internal_vm_Continuation.cc[Added - diff]
runtime/native/jdk_internal_vm_Continuation.h[Added - diff]
runtime/runtime.cc[diff]
runtime/thread.h[diff]
runtime/virtual_thread_common.cc[diff]
runtime/virtual_thread_common.h[diff]
runtime/well_known_classes.cc[diff]
runtime/well_known_classes.h[diff]
test/2394-continuation-yields/build.py[Added - diff]
test/2394-continuation-yields/expected-stderr.txt[Added - diff]
test/2394-continuation-yields/expected-stdout.txt[Added - diff]
test/2394-continuation-yields/info.txt[Added - diff]
test/2394-continuation-yields/src/Main.java[Added - diff]
test/2394-continuation-yields/test-metadata.json[Added - diff]
test/2395-virtual-thread-reentrantlock/build.py[Added - diff]
test/2395-virtual-thread-reentrantlock/expected-stderr.txt[Added - diff]
test/2395-virtual-thread-reentrantlock/expected-stdout.txt[Added - diff]
test/2395-virtual-thread-reentrantlock/info.txt[Added - diff]
test/2395-virtual-thread-reentrantlock/src/Main.java[Added - diff]
test/2395-virtual-thread-reentrantlock/test-metadata.json[Added - diff]
test/2395-virtual-thread-sleep-api/build.py[Added - diff]
test/2395-virtual-thread-sleep-api/expected-stderr.txt[Added - diff]
test/2395-virtual-thread-sleep-api/expected-stdout.txt[Added - diff]
test/2395-virtual-thread-sleep-api/info.txt[Added - diff]
test/2395-virtual-thread-sleep-api/src/Main.java[Added - diff]
test/2395-virtual-thread-sleep-api/test-metadata.json[Added - diff]
test/913-heaps/expected-stdout.txt[diff]
test/knownfailures.json[diff]

31 files changed