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8284161: Implementation of Virtual Threads (Preview)

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Co-authored-by: Ron Pressler <rpressler@openjdk.org>
Co-authored-by: Alan Bateman <alanb@openjdk.org>
Co-authored-by: Erik Österlund <eosterlund@openjdk.org>
Co-authored-by: Andrew Haley <aph@openjdk.org>
Co-authored-by: Rickard Bäckman <rbackman@openjdk.org>
Co-authored-by: Markus Grönlund <mgronlun@openjdk.org>
Co-authored-by: Leonid Mesnik <lmesnik@openjdk.org>
Co-authored-by: Serguei Spitsyn <sspitsyn@openjdk.org>
Co-authored-by: Chris Plummer <cjplummer@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Co-authored-by: Robbin Ehn <rehn@openjdk.org>
Co-authored-by: Stefan Karlsson <stefank@openjdk.org>
Co-authored-by: Thomas Schatzl <tschatzl@openjdk.org>
Co-authored-by: Sergey Kuksenko <skuksenko@openjdk.org>
Reviewed-by: lancea, eosterlund, rehn, sspitsyn, stefank, tschatzl, dfuchs, lmesnik, dcubed, kevinw, amenkov, dlong, mchung, psandoz, bpb, coleenp, smarks, egahlin, mseledtsov, coffeys, darcy
This commit is contained in:
Alan Bateman 2022-05-07 08:06:16 +00:00
parent 5212535a27
commit 9583e3657e
1133 changed files with 95935 additions and 8335 deletions
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39
src/java.base/share/classes/java/lang/Runnable.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1994, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1994, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -26,44 +26,19 @@
package java.lang;
/**
* The {@code Runnable} interface should be implemented by any
* class whose instances are intended to be executed by a thread. The
* class must define a method of no arguments called {@code run}.
* <p>
* This interface is designed to provide a common protocol for objects that
* wish to execute code while they are active. For example,
* {@code Runnable} is implemented by class {@code Thread}.
* Being active simply means that a thread has been started and has not
* yet been stopped.
* <p>
* In addition, {@code Runnable} provides the means for a class to be
* active while not subclassing {@code Thread}. A class that implements
* {@code Runnable} can run without subclassing {@code Thread}
* by instantiating a {@code Thread} instance and passing itself in
* as the target. In most cases, the {@code Runnable} interface should
* be used if you are only planning to override the {@code run()}
* method and no other {@code Thread} methods.
* This is important because classes should not be subclassed
* unless the programmer intends on modifying or enhancing the fundamental
* behavior of the class.
* Represents an operation that does not return a result.
*
* <p> This is a {@linkplain java.util.function functional interface}
* whose functional method is {@link #run()}.
*
* @author Arthur van Hoff
* @see java.lang.Thread
* @see java.util.concurrent.Callable
* @since 1.0
*/
@FunctionalInterface
public interface Runnable {
/**
* When an object implementing interface {@code Runnable} is used
* to create a thread, starting the thread causes the object's
* {@code run} method to be called in that separately executing
* thread.
* <p>
* The general contract of the method {@code run} is that it may
* take any action whatsoever.
*
* @see java.lang.Thread#run()
* Runs this operation.
*/
public abstract void run();
void run();
}