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8320532: Remove Thread/ThreadGroup suspend/resume

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Reviewed-by: dholmes, jpai, sspitsyn, smarks
This commit is contained in:
Alan Bateman 2023-12-08 07:10:20 +00:00
parent cb7e3d263a
commit af5c49226c
8 changed files with 36 additions and 350 deletions
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40
src/java.base/share/classes/java/lang/Thread.java
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@ -1647,7 +1647,7 @@ public class Thread implements Runnable {
* interrupt the wait.
* For more information, see
* <a href="{@docRoot}/java.base/java/lang/doc-files/threadPrimitiveDeprecation.html">Why
* are Thread.stop, Thread.suspend and Thread.resume Deprecated?</a>.
* is Thread.stop deprecated and the ability to stop a thread removed?</a>.
*/
@Deprecated(since="1.2", forRemoval=true)
public final void stop() {
@ -1788,44 +1788,6 @@ public class Thread implements Runnable {
return eetop != 0;
}
/**
* Throws {@code UnsupportedOperationException}.
*
* @throws UnsupportedOperationException always
*
* @deprecated This method was originally specified to suspend a thread.
* It was inherently deadlock-prone. If the target thread held a lock on
* a monitor protecting a critical system resource when it was suspended,
* no thread could access the resource until the target thread was resumed.
* If the thread intending to resume the target thread attempted to lock
* the monitor prior to calling {@code resume}, deadlock would result.
* Such deadlocks typically manifested themselves as "frozen" processes.
* For more information, see
* <a href="{@docRoot}/java.base/java/lang/doc-files/threadPrimitiveDeprecation.html">Why
* are Thread.stop, Thread.suspend and Thread.resume Deprecated?</a>.
*/
@Deprecated(since="1.2", forRemoval=true)
public final void suspend() {
throw new UnsupportedOperationException();
}
/**
* Throws {@code UnsupportedOperationException}.
*
* @throws UnsupportedOperationException always
*
* @deprecated This method was originally specified to resume a thread
* suspended with {@link #suspend()}. Suspending a thread was
* inherently deadlock-prone.
* For more information, see
* <a href="{@docRoot}/java.base/java/lang/doc-files/threadPrimitiveDeprecation.html">Why
* are Thread.stop, Thread.suspend and Thread.resume Deprecated?</a>.
*/
@Deprecated(since="1.2", forRemoval=true)
public final void resume() {
throw new UnsupportedOperationException();
}
/**
* Changes the priority of this thread.
*