[8.15] Fix windows memory locking (#111866)

docs/changelog/111866.yaml

@@ -0,0 +1,6 @@
+pr: 111866
+summary: Fix windows memory locking
+area: Infra/Core
+type: bug
+issues:
+ - 111847

libs/native/src/main21/java/org/elasticsearch/nativeaccess/jdk/JdkKernel32Library.java

@@ -55,7 +55,7 @@ class JdkKernel32Library implements Kernel32Library {
     );
     private static final MethodHandle SetProcessWorkingSetSize$mh = downcallHandleWithError(
         "SetProcessWorkingSetSize",
-        FunctionDescriptor.of(ADDRESS, JAVA_LONG, JAVA_LONG)
+        FunctionDescriptor.of(JAVA_BOOLEAN, ADDRESS, JAVA_LONG, JAVA_LONG)
     );
     private static final MethodHandle GetShortPathNameW$mh = downcallHandleWithError(
         "GetShortPathNameW",
@@ -94,7 +94,7 @@ static class JdkAddress implements Address {
 
         @Override
         public Address add(long offset) {
-            return new JdkAddress(MemorySegment.ofAddress(address.address()));
+            return new JdkAddress(MemorySegment.ofAddress(address.address() + offset));
         }
     }
 

qa/packaging/src/test/java/org/elasticsearch/packaging/test/MemoryLockingTests.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+package org.elasticsearch.packaging.test;
+
+import org.elasticsearch.packaging.util.ServerUtils;
+import org.elasticsearch.packaging.util.docker.DockerRun;
+
+import java.util.Map;
+
+import static org.elasticsearch.packaging.util.docker.Docker.runContainer;
+import static org.elasticsearch.packaging.util.docker.DockerRun.builder;
+
+public class MemoryLockingTests extends PackagingTestCase {
+
+    public void test10Install() throws Exception {
+        install();
+    }
+
+    public void test20MemoryLockingEnabled() throws Exception {
+        configureAndRun(
+            Map.of(
+                "bootstrap.memory_lock",
+                "true",
+                "xpack.security.enabled",
+                "false",
+                "xpack.security.http.ssl.enabled",
+                "false",
+                "xpack.security.enrollment.enabled",
+                "false",
+                "discovery.type",
+                "single-node"
+            )
+        );
+        // TODO: very locking worked. logs? check memory of process? at least we know the process started successfully
+        stopElasticsearch();
+    }
+
+    public void configureAndRun(Map<String, String> settings) throws Exception {
+        if (distribution().isDocker()) {
+            DockerRun builder = builder();
+            settings.forEach(builder::envVar);
+            runContainer(distribution(), builder);
+        } else {
+
+            for (var setting : settings.entrySet()) {
+                ServerUtils.addSettingToExistingConfiguration(installation.config, setting.getKey(), setting.getValue());
+            }
+            ServerUtils.removeSettingFromExistingConfiguration(installation.config, "cluster.initial_master_nodes");
+        }
+
+        startElasticsearch();
+    }
+}