jdk-24/test/jdk/java/foreign/TestUpcallAsync.java
Maurizio Cimadamore 73baadceb6 8295044: Implementation of Foreign Function and Memory API (Second Preview)
Co-authored-by: Jorn Vernee <jvernee@openjdk.org>
Co-authored-by: Per Minborg <pminborg@openjdk.org>
Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Reviewed-by: jvernee, pminborg, psandoz, alanb, sundar
2022-12-05 13:49:53 +00:00

114 lines
4.7 KiB
Java

/*
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @enablePreview
* @requires ((os.arch == "amd64" | os.arch == "x86_64") & sun.arch.data.model == "64") | os.arch == "aarch64"
* @requires !vm.musl
* @build NativeTestHelper CallGeneratorHelper TestUpcallBase
*
* @run testng/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies
* --enable-native-access=ALL-UNNAMED -Dgenerator.sample.factor=17
* TestUpcallAsync
*/
import java.lang.foreign.Arena;
import java.lang.foreign.FunctionDescriptor;
import java.lang.foreign.GroupLayout;
import java.lang.foreign.MemoryLayout;
import java.lang.foreign.MemorySegment;
import org.testng.annotations.Test;
import java.lang.foreign.SegmentScope;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
public class TestUpcallAsync extends TestUpcallBase {
static {
System.loadLibrary("TestUpcall");
System.loadLibrary("AsyncInvokers");
}
@Test(dataProvider="functions", dataProviderClass=CallGeneratorHelper.class)
public void testUpcallsAsync(int count, String fName, Ret ret, List<ParamType> paramTypes, List<StructFieldType> fields) throws Throwable {
List<Consumer<Object>> returnChecks = new ArrayList<>();
List<Consumer<Object[]>> argChecks = new ArrayList<>();
MemorySegment addr = findNativeOrThrow(fName);
try (Arena arena = Arena.openShared()) {
FunctionDescriptor descriptor = function(ret, paramTypes, fields);
MethodHandle mh = downcallHandle(ABI, addr, arena, descriptor);
Object[] args = makeArgs(SegmentScope.auto(), ret, paramTypes, fields, returnChecks, argChecks);
mh = mh.asSpreader(Object[].class, args.length);
mh = MethodHandles.insertArguments(mh, 0, (Object) args);
FunctionDescriptor callbackDesc = descriptor.returnLayout()
.map(FunctionDescriptor::of)
.orElse(FunctionDescriptor.ofVoid());
MemorySegment callback = ABI.upcallStub(mh, callbackDesc, arena.scope());
MethodHandle invoker = asyncInvoker(ret, ret == Ret.VOID ? null : paramTypes.get(0), fields);
Object res = (descriptor.returnLayout().isPresent() &&
descriptor.returnLayout().get() instanceof GroupLayout)
? invoker.invoke(arena.scope(), callback)
: invoker.invoke(callback);
argChecks.forEach(c -> c.accept(args));
if (ret == Ret.NON_VOID) {
returnChecks.forEach(c -> c.accept(res));
}
}
}
private static final Map<String, MethodHandle> INVOKERS = new HashMap<>();
private MethodHandle asyncInvoker(Ret ret, ParamType returnType, List<StructFieldType> fields) {
if (ret == Ret.VOID) {
String name = "call_async_V";
return INVOKERS.computeIfAbsent(name, symbol ->
ABI.downcallHandle(
findNativeOrThrow(symbol),
FunctionDescriptor.ofVoid(C_POINTER)));
}
String name = "call_async_" + returnType.name().charAt(0)
+ (returnType == ParamType.STRUCT ? "_" + sigCode(fields) : "");
return INVOKERS.computeIfAbsent(name, symbol -> {
MemorySegment invokerSymbol = findNativeOrThrow(symbol);
MemoryLayout returnLayout = returnType.layout(fields);
FunctionDescriptor desc = FunctionDescriptor.of(returnLayout, C_POINTER);
return ABI.downcallHandle(invokerSymbol, desc);
});
}
}