71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
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* @run testng/othervm --enable-native-access=ALL-UNNAMED TestMixedMallocFree
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*/
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import jdk.incubator.foreign.CLinker;
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import jdk.incubator.foreign.FunctionDescriptor;
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import jdk.incubator.foreign.MemoryAccess;
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import jdk.incubator.foreign.MemoryAddress;
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import jdk.incubator.foreign.MemorySegment;
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import jdk.incubator.foreign.ResourceScope;
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import jdk.incubator.foreign.SymbolLookup;
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import org.testng.annotations.Test;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodType;
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import static jdk.incubator.foreign.CLinker.*;
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import static org.testng.Assert.assertEquals;
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public class TestMixedMallocFree {
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static final MethodHandle MH_my_malloc;
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static {
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System.loadLibrary("Malloc");
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SymbolLookup MALLOC = SymbolLookup.loaderLookup();
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MH_my_malloc = CLinker.getInstance().downcallHandle(
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MALLOC.lookup("my_malloc").orElseThrow(),
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MethodType.methodType(MemoryAddress.class, long.class),
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FunctionDescriptor.of(C_POINTER, C_LONG_LONG));
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}
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@Test
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public void testMalloc() throws Throwable {
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MemoryAddress ma = (MemoryAddress) MH_my_malloc.invokeExact(4L);
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MemorySegment seg = ma.asSegment(4L, ResourceScope.newImplicitScope());
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MemoryAccess.setInt(seg, 42);
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assertEquals(MemoryAccess.getInt(seg), 42);
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// Test if this free crashes the VM, which might be the case if we load the wrong default library
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// and end up mixing two allocators together.
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CLinker.freeMemory(ma);
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}
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}
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