1 /*
 2  * Copyright (c) 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  * @enablePreview
27  * @library ../ /test/lib
28  * @requires jdk.foreign.linker != "UNSUPPORTED"
29  * @requires jdk.foreign.linker != "FALLBACK"
30  * @run testng/othervm --enable-native-access=ALL-UNNAMED TestTrivialUpcall
31  */
32 
33 import org.testng.annotations.Test;
34 
35 import java.io.IOException;
36 import java.lang.foreign.FunctionDescriptor;
37 import java.lang.foreign.Linker;
38 import java.lang.foreign.MemorySegment;
39 import java.lang.invoke.MethodHandle;
40 
41 import static org.testng.Assert.fail;
42 
43 public class TestTrivialUpcall extends UpcallTestHelper {
44 
45     @Test
46     public void testUpcallFailure() throws IOException, InterruptedException {
47         // test to see if we catch a trivial downcall doing an upcall
48         runInNewProcess(Runner.class, true).assertStdOutContains("wrong thread state for upcall");
49     }
50 
51     public static class Runner extends NativeTestHelper {
52         public static void main(String[] args) throws Throwable {
53             System.loadLibrary("Trivial");
54 
55             MethodHandle mh = downcallHandle("do_upcall", FunctionDescriptor.ofVoid(C_POINTER), Linker.Option.isTrivial());
56             MemorySegment stub = upcallStub(Runner.class, "target", FunctionDescriptor.ofVoid());
57             mh.invokeExact(stub);
58         }
59 
60         public static void target() {
61             fail("Should not get here");
62         }
63     }
64 }