src/java.base/share/classes/java/util/zip/ZStreamRef.java
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@@ -23,24 +23,43 @@
* questions.
*/
package java.util.zip;
+import java.util.function.LongConsumer;
+import java.util.function.LongSupplier;
+import java.lang.ref.Cleaner.Cleanable;
+import jdk.internal.ref.CleanerFactory;
+
/**
- * A reference to the native zlib's z_stream structure.
+ * A reference to the native zlib's z_stream structure. It also
+ * serves as the "cleaner" to clean up the native resource when
+ * the deflater or infalter is ended, closed or cleaned.
*/
+class ZStreamRef implements Runnable {
-class ZStreamRef {
-
- private volatile long address;
- ZStreamRef (long address) {
- this.address = address;
+ private LongConsumer end;
+ private long address;
+ private final Cleanable cleanable;
+
+ ZStreamRef (Object owner, LongSupplier addr, LongConsumer end) {
+ this.cleanable = CleanerFactory.cleaner().register(owner, this);
+ this.end = end;
+ this.address = addr.getAsLong();
}
long address() {
return address;
}
- void clear() {
+ void clean() {
+ cleanable.clean();
+ }
+
+ public synchronized void run() {
+ long addr = address;
address = 0;
+ if (addr != 0) {
+ end.accept(addr);
+ }
}
}