Drop enablePreview

Author: AlanBateman

test/jdk/java/lang/Thread/virtual/JfrEvents.java

@@ -24,7 +24,6 @@
 /**
  * @test
  * @summary Basic test for JFR jdk.VirtualThreadXXX events
- * @enablePreview
  * @requires vm.continuations
  * @modules jdk.jfr java.base/java.lang:+open
  * @library /test/lib

test/jdk/java/lang/Thread/virtual/Monitors.java

@@ -25,7 +25,6 @@
  * @test
  * @summary Test virtual thread monitor enter/exit
  * @key randomness
- * @enablePreview
  * @modules java.base/java.lang:+open
  * @library /test/lib
  * @run junit Monitors

test/jdk/java/lang/Thread/virtual/ThreadAPI.java

@@ -25,15 +25,13 @@
  * @test id=default
  * @bug 8284161 8286788
  * @summary Test Thread API with virtual threads
- * @enablePreview
  * @modules java.base/java.lang:+open
  * @library /test/lib
  * @run junit ThreadAPI
  */
 
 /*
  * @test id=no-vmcontinuations
- * @enablePreview
  * @requires vm.continuations
  * @modules java.base/java.lang:+open
  * @library /test/lib

test/jdk/java/lang/Thread/virtual/VirtualThreadPinnedEventThrows.java

@@ -24,7 +24,6 @@
 /**
  * @test
  * @summary Test parking when pinned and emitting the JFR VirtualThreadPinnedEvent throws
- * @enablePreview
  * @modules java.base/jdk.internal.event
  * @library /test/lib
  * @compile/module=java.base jdk/internal/event/VirtualThreadPinnedEvent.java

test/jdk/java/lang/Thread/virtual/stress/LotsOfMonitors.java

@@ -32,7 +32,6 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.ThreadLocalRandom;
 
 import jdk.test.lib.thread.VThreadRunner;
@@ -43,12 +42,6 @@
 class LotsOfMonitors {
     static final int MAX_MONITORS = 256;
 
-    static ThreadFactory threadFactory() {
-        return ThreadLocalRandom.current().nextBoolean()
-                ? Thread.ofPlatform().factory()
-                : Thread.ofVirtual().factory();
-    }
-
     /**
      * Test entering lots of monitors with no contention.
      */
@@ -122,7 +115,7 @@ private void testEnter(int remaining, List<Thread> threads) throws Exception {
             // start thread to enter monitor for brief period, then enters again when signalled
             var started = new CountDownLatch(1);
             var signal = new CountDownLatch(1);
-            var thread = threadFactory().newThread(() -> {
+            var thread = Thread.ofVirtual().start(() -> {
                 started.countDown();
                 // enter, may be contended
                 synchronized (lock) {
@@ -138,7 +131,6 @@ private void testEnter(int remaining, List<Thread> threads) throws Exception {
                     // do nothing
                 }
             });
-            thread.start();
             started.await();
 
             // enter, may be contended

test/jdk/java/lang/Thread/virtual/stress/PinALot.java

@@ -24,15 +24,13 @@
 /*
  * @test
  * @summary Stress test timed park when pinned
- * @enablePreview
  * @requires vm.debug != true
  * @library /test/lib
  * @run main PinALot 500000
  */
 
 /*
  * @test
- * @enablePreview
  * @requires vm.debug == true
  * @library /test/lib
  * @run main/othervm/timeout=300 PinALot 200000