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8234049: Implementation of Memory Access API (Incubator)

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Co-authored-by: Vlaidmir Ivanov <vladimir.x.ivanov@oracle.com>
Reviewed-by: alanb, psandoz, chegar, rriggs, plevart, briangoetz, jrose, adinn, vlivanov
This commit is contained in:
Jorn Vernee 2019-12-12 22:59:57 +00:00 • committed by Maurizio Cimadamore
parent 7cdecd8981
commit 8f4f088a12
59 changed files with 7849 additions and 147 deletions
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14
src/java.base/share/classes/java/nio/MappedByteBuffer.java
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@ -28,6 +28,8 @@ package java.nio;
import java.io.FileDescriptor;
import java.lang.ref.Reference;
import java.util.Objects;
import jdk.internal.access.foreign.MemorySegmentProxy;
import jdk.internal.misc.Unsafe;
@ -88,21 +90,21 @@ public abstract class MappedByteBuffer
// This should only be invoked by the DirectByteBuffer constructors
//
MappedByteBuffer(int mark, int pos, int lim, int cap, // package-private
FileDescriptor fd, boolean isSync) {
super(mark, pos, lim, cap);
FileDescriptor fd, boolean isSync, MemorySegmentProxy segment) {
super(mark, pos, lim, cap, segment);
this.fd = fd;
this.isSync = isSync;
}
MappedByteBuffer(int mark, int pos, int lim, int cap, // package-private
boolean isSync) {
super(mark, pos, lim, cap);
boolean isSync, MemorySegmentProxy segment) {
super(mark, pos, lim, cap, segment);
this.fd = null;
this.isSync = isSync;
}
MappedByteBuffer(int mark, int pos, int lim, int cap) { // package-private
super(mark, pos, lim, cap);
MappedByteBuffer(int mark, int pos, int lim, int cap, MemorySegmentProxy segment) { // package-private
super(mark, pos, lim, cap, segment);
this.fd = null;
this.isSync = false;
}