archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 22:34:27 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8264774: Implementation of Foreign Function and Memory API (Incubator)

Browse source 
Co-authored-by: Paul Sandoz <psandoz@openjdk.org>
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Vladimir Ivanov <vlivanov@openjdk.org>
Co-authored-by: Athijegannathan Sundararajan <sundar@openjdk.org>
Co-authored-by: Chris Hegarty <chegar@openjdk.org>
Reviewed-by: psandoz, chegar, mchung, vlivanov
This commit is contained in:
Maurizio Cimadamore 2021-06-02 10:53:06 +00:00
parent 71425ddfb4
commit a223189b06
219 changed files with 10936 additions and 5695 deletions
Download patch file Download diff file Expand all files Collapse all files

15
src/java.base/share/classes/java/nio/Buffer.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2021, 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
@ -30,6 +30,7 @@ import jdk.internal.access.SharedSecrets;
import jdk.internal.access.foreign.MemorySegmentProxy;
import jdk.internal.access.foreign.UnmapperProxy;
import jdk.internal.misc.ScopedMemoryAccess;
import jdk.internal.misc.ScopedMemoryAccess.Scope;
import jdk.internal.misc.Unsafe;
import jdk.internal.misc.VM.BufferPool;
import jdk.internal.vm.annotation.ForceInline;
@ -821,6 +822,18 @@ public abstract class Buffer {
return buffer.segment;
}
@Override
public Scope.Handle acquireScope(Buffer buffer, boolean async) {
var scope = buffer.scope();
if (scope == null) {
return null;
}
if (async && scope.ownerThread() != null) {
throw new IllegalStateException("Confined scope not supported");
}
return scope.acquire();
}
@Override
public void force(FileDescriptor fd, long address, boolean isSync, long offset, long size) {
MappedMemoryUtils.force(fd, address, isSync, offset, size);