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8312522: Implementation of Foreign Function & Memory API

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Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Per Minborg <pminborg@openjdk.org>
Reviewed-by: dholmes, psandoz, mcimadamore, alanb
This commit is contained in:
Jorn Vernee 2023-10-12 19:50:08 +00:00
parent 9728e21db1
commit 32ac72c3d3
261 changed files with 3141 additions and 2126 deletions
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10
src/java.base/share/classes/java/lang/foreign/Arena.java
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@ -26,7 +26,6 @@
package java.lang.foreign;
import jdk.internal.foreign.MemorySessionImpl;
import jdk.internal.javac.PreviewFeature;
import jdk.internal.ref.CleanerFactory;
import java.lang.foreign.MemorySegment.Scope;
@ -184,7 +183,7 @@ import java.lang.foreign.MemorySegment.Scope;
* {@snippet lang = java:
* try (Arena slicingArena = new SlicingArena(1000)) {
* for (int i = 0; i < 10; i++) {
* MemorySegment s = slicingArena.allocateArray(JAVA_INT, 1, 2, 3, 4, 5);
* MemorySegment s = slicingArena.allocateFrom(JAVA_INT, 1, 2, 3, 4, 5);
* ...
* }
* } // all memory allocated is released here
@ -195,9 +194,8 @@ import java.lang.foreign.MemorySegment.Scope;
*
* @see MemorySegment
*
* @since 20
* @since 22
*/
@PreviewFeature(feature=PreviewFeature.Feature.FOREIGN)
public interface Arena extends SegmentAllocator, AutoCloseable {
/**
@ -269,9 +267,7 @@ public interface Arena extends SegmentAllocator, AutoCloseable {
* other than the arena's owner thread.
*/
@Override
default MemorySegment allocate(long byteSize, long byteAlignment) {
return ((MemorySessionImpl)scope()).allocate(byteSize, byteAlignment);
}
MemorySegment allocate(long byteSize, long byteAlignment);
/**
* {@return the arena scope}