Daco Harkes
d9d3292ccf
Change-Id: Ieac458f7d39557a49b0d0f17e1ce327cffab255c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/421185 Commit-Queue: Daco Harkes <dacoharkes@google.com> Reviewed-by: Moritz Sümmermann <mosum@google.com>
47 lines
1.4 KiB
Dart
47 lines
1.4 KiB
Dart
// Copyright (c) 2020, 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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// Test for DynamicLibrary.open behavior on multiple isolates.
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//
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// SharedObjects=ffi_test_functions
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import 'dart:async';
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import 'dart:ffi';
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import 'dart:io';
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import 'dart:isolate';
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import "package:expect/expect.dart";
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import 'dylib_utils.dart';
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void main() async {
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final dl = dlopenPlatformSpecific('ffi_test_functions');
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final dl2 = dlopenPlatformSpecific('ffi_test_functions');
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Expect.equals(dl, dl2);
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Expect.isFalse(identical(dl, dl2));
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final setGlobalVar = dl
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.lookupFunction<Void Function(Int32), void Function(int)>('SetGlobalVar');
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final getGlobalVar = dl.lookupFunction<Int32 Function(), int Function()>(
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'GetGlobalVar',
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);
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setGlobalVar(123);
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Expect.equals(123, getGlobalVar());
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final receivePort = ReceivePort();
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unawaited(Isolate.spawn(secondIsolateMain, receivePort.sendPort));
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await receivePort.first;
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if (!Platform.isIOS /* Static linking causes different behavior. */ ) {
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Expect.equals(42, getGlobalVar());
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}
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}
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void secondIsolateMain(SendPort sendPort) {
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final dl = dlopenPlatformSpecific('ffi_test_functions');
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final setGlobalVar = dl
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.lookupFunction<Void Function(Int32), void Function(int)>('SetGlobalVar');
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setGlobalVar(42);
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sendPort.send('done');
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}
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