Fix #68 Create VT via NettyScheduler

Author: franz1981

core/src/main/java/io/netty/loom/EventLoopScheduler.java

@@ -113,13 +113,12 @@ private static ThreadFactory newEventLoopSchedulerFactory(SharedRef sharedRef) {
 		// enabling
 		// work-stealing to change it for both
 		var unstartedBuilder = Thread.ofVirtual();
-		// we're not enforcing a preferred carrier on purpose, despite we could - to
-		// prevent leaks to happen:
-		// once this scheduler is gone, but a virtual thread is still to complete, we
-		// would like to offload it
-		// to the default scheduler rather than trying to reuse this scheduler's carrier
-		// thread
-		return runnable -> unstartedBuilder.unstarted(() -> runWithContext(runnable, sharedRef), null, sharedRef);
+		NettyScheduler scheduler = NettyScheduler.INSTANCE;
+		return runnable -> {
+			var vTask = scheduler.newThread(unstartedBuilder, () -> runWithContext(runnable, sharedRef));
+			vTask.attach(sharedRef);
+			return vTask.thread();
+		};
 	}
 
 	private static void runWithContext(Runnable runnable, SharedRef sharedRef) {

core/src/main/java/io/netty/loom/NettyScheduler.java

@@ -44,7 +44,7 @@
 
 public class NettyScheduler implements Thread.VirtualThreadScheduler {
 
-	private static volatile NettyScheduler INSTANCE;
+	static volatile NettyScheduler INSTANCE;
 
 	private final Thread.VirtualThreadScheduler jdkBuildinScheduler;
 

pom.xml

@@ -58,6 +58,18 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.14.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                    <compilerArgs>
+                        <arg>--enable-preview</arg>
+                    </compilerArgs>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
@@ -96,18 +108,6 @@
         </plugins>
         <pluginManagement>
             <plugins>
-                <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.14.1</version>
-                    <configuration>
-                        <source>${java.version}</source>
-                        <target>${java.version}</target>
-                        <compilerArgs>
-                            <arg>--enable-preview</arg>
-                        </compilerArgs>
-                    </configuration>
-                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>