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8318422: Allow poller threads be virtual threads

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Reviewed-by: michaelm
This commit is contained in:
Alan Bateman 2023-11-04 06:52:19 +00:00
parent 29cf2c471b
commit c099cf53f2
13 changed files with 368 additions and 399 deletions
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10
src/java.base/macosx/classes/sun/nio/ch/DefaultPollerProvider.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2017, 2023, 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
@ -33,12 +33,12 @@ class DefaultPollerProvider extends PollerProvider {
DefaultPollerProvider() { }
@Override
Poller readPoller() throws IOException {
return new KQueuePoller(true);
Poller readPoller(boolean subPoller) throws IOException {
return new KQueuePoller(subPoller, true);
}
@Override
Poller writePoller() throws IOException {
return new KQueuePoller(false);
Poller writePoller(boolean subPoller) throws IOException {
return new KQueuePoller(subPoller, false);
}
}

11
src/java.base/macosx/classes/sun/nio/ch/KQueuePoller.java
View file

@ -31,17 +31,16 @@ import static sun.nio.ch.KQueue.*;
* Poller implementation based on the kqueue facility.
*/
class KQueuePoller extends Poller {
private static final int MAX_EVENTS_TO_POLL = 512;
private final int kqfd;
private final int filter;
private final int maxEvents;
private final long address;
KQueuePoller(boolean read) throws IOException {
super(read);
KQueuePoller(boolean subPoller, boolean read) throws IOException {
this.kqfd = KQueue.create();
this.filter = (read) ? EVFILT_READ : EVFILT_WRITE;
this.address = KQueue.allocatePollArray(MAX_EVENTS_TO_POLL);
this.maxEvents = (subPoller) ? 64 : 512;
this.address = KQueue.allocatePollArray(maxEvents);
}
@Override
@ -63,7 +62,7 @@ class KQueuePoller extends Poller {
@Override
int poll(int timeout) throws IOException {
int n = KQueue.poll(kqfd, address, MAX_EVENTS_TO_POLL, timeout);
int n = KQueue.poll(kqfd, address, maxEvents, timeout);
int i = 0;
while (i < n) {
long keventAddress = KQueue.getEvent(address, i);