Daco Harkes
38e250b4d5
Includes all the files which required no manual treatment. Change-Id: I3d493bcbc238a2016579a0f804d32f4829efb87b Cq-Include-Trybots: dart/try:vm-aot-android-release-arm_x64-try,vm-aot-linux-debug-x64-try,vm-aot-linux-debug-x64c-try,vm-aot-mac-release-arm64-try,vm-aot-mac-release-x64-try,vm-aot-win-debug-x64c-try,vm-checked-mac-release-arm64-try,vm-ffi-qemu-linux-release-arm-try,vm-ffi-qemu-linux-release-riscv64-try,vm-linux-debug-ia32-try,vm-linux-debug-x64-try,vm-linux-debug-x64c-try,vm-mac-debug-arm64-try,vm-reload-linux-debug-x64-try,vm-reload-rollback-linux-debug-x64-try,vm-win-release-ia32-try Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/399102 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Daco Harkes <dacoharkes@google.com>
66 lines
1.9 KiB
Dart
66 lines
1.9 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// Helpers for tests which trigger GC in delicate places.
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// ignore: import_internal_library, unused_import
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import 'dart:_internal';
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import 'dart:ffi';
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import 'dylib_utils.dart';
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typedef NativeNullaryOp = Void Function();
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typedef NullaryOpVoid = void Function();
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typedef NativeUnaryOp = Void Function(IntPtr);
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typedef UnaryOpVoid = void Function(int);
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final DynamicLibrary ffiTestFunctions = dlopenPlatformSpecific(
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"ffi_test_functions",
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);
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final collectOnNthAllocation = ffiTestFunctions
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.lookupFunction<NativeUnaryOp, UnaryOpVoid>("CollectOnNthAllocation");
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extension PointerOffsetBy<T extends NativeType> on Pointer<T> {
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Pointer<T> offsetBy(int bytes) => Pointer.fromAddress(address + bytes);
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}
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/// Triggers garbage collection.
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// Defined in `dart:_internal`.
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// ignore: undefined_identifier
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void triggerGc() => VMInternalsForTesting.collectAllGarbage();
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void Function(String) _namedPrint(String? name) {
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if (name != null) {
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return (String value) => print('$name: $value');
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}
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return (String value) => print(value);
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}
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/// Does a GC and if [doAwait] awaits a future to enable running finalizers.
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///
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/// Also prints for debug purposes.
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///
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/// If provided, [name] prefixes the debug prints.
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void doGC({String? name}) {
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final _print = _namedPrint(name);
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_print('Do GC.');
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triggerGc();
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_print('GC done');
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}
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void createAndLoseFinalizable(Pointer<IntPtr> token) {
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final myFinalizable = MyFinalizable();
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setTokenFinalizer.attach(myFinalizable, token.cast());
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}
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final setTokenTo42Ptr = ffiTestFunctions.lookup<NativeFinalizerFunction>(
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"SetArgumentTo42",
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);
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final setTokenFinalizer = NativeFinalizer(setTokenTo42Ptr);
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class MyFinalizable implements Finalizable {}
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