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8322829: Refactor nioBlocker to avoid blocking while holding Thread's interrupt lock

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Reviewed-by: jpai
This commit is contained in:
Alan Bateman 2024-01-09 07:05:27 +00:00
parent 07fce8eff2
commit 7286f5291d
6 changed files with 118 additions and 54 deletions
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21
src/java.base/share/classes/sun/nio/ch/Interruptible.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2024, 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
@ -31,6 +31,23 @@ package sun.nio.ch;
public interface Interruptible {
public void interrupt(Thread t);
/**
* Invoked by Thread.interrupt when the given Thread is interrupted. Thread.interrupt
* invokes this method while holding the given Thread's interrupt lock. This method
* is also invoked by AbstractInterruptibleChannel when beginning an I/O operation
* with the current thread's interrupt status set. This method must not block.
*/
void interrupt(Thread target);
/**
* Invoked by Thread.interrupt after releasing the Thread's interrupt lock.
* It may also be invoked by AbstractInterruptibleChannel or AbstractSelector when
* beginning an I/O operation with the current thread's interrupt status set, or at
* the end of an I/O operation when any thread doing I/O on the channel (or selector)
* has been interrupted. This method closes the channel (or wakes up the Selector) to
* ensure that AsynchronousCloseException or ClosedByInterruptException is thrown.
* This method is required to be idempotent.
*/
void postInterrupt();
}