1 /*
2 * Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @library ../ /test/lib
27 * @modules java.base/jdk.internal.ref java.base/jdk.internal.foreign
28 * @run testng/othervm --enable-native-access=ALL-UNNAMED TestDontRelease
29 */
30
31 import jdk.internal.foreign.MemorySessionImpl;
32 import org.testng.annotations.Test;
33
34 import java.lang.foreign.Arena;
35 import java.lang.foreign.FunctionDescriptor;
36 import java.lang.foreign.MemorySegment;
37 import java.lang.invoke.MethodHandle;
38
39 import static java.lang.foreign.ValueLayout.ADDRESS;
40 import static java.lang.foreign.ValueLayout.JAVA_INT;
41 import static org.testng.Assert.assertTrue;
42
43 public class TestDontRelease extends NativeTestHelper {
44
45 static {
46 System.loadLibrary("DontRelease");
47 }
48
49 @Test
50 public void testDontRelease() {
51 MethodHandle handle = downcallHandle("test_ptr", FunctionDescriptor.ofVoid(ADDRESS));
52 try (Arena arena = Arena.ofConfined()) {
53 MemorySegment segment = arena.allocate(JAVA_INT);
54 ((MemorySessionImpl)arena.scope()).whileAlive(() -> {
55 Thread t = new Thread(() -> {
56 try {
57 // acquire of the segment should fail here,
58 // due to wrong thread
59 handle.invokeExact(segment);
60 } catch (Throwable e) {
61 // catch the exception.
62 assertTrue(e instanceof WrongThreadException);
63 assertTrue(e.getMessage().matches(".*Attempted access outside owning thread.*"));
64 }
65 });
66 t.start();
67 try {
68 t.join();
69 } catch (InterruptedException e) {
70 throw new RuntimeException(e);
71 }
72
73 // the downcall above should not have called release on the session
74 // so doing it here should succeed without error
75 });
76 }
77 }
78 }