Robert Nystrom
11b81715ad
Change-Id: I7b5e5dd768c87f28848ee02050582d23f3604cb1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/426286 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
37 lines
1.1 KiB
Dart
37 lines
1.1 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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// VMOptions=--worker-thread-priority=-2
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// A priority of -2 means THREAD_PRIORITY_LOWEST on windows
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import 'dart:ffi';
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import 'dart:io';
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import 'package:expect/expect.dart';
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final DynamicLibrary kernel32 = DynamicLibrary.open("kernel32.dll");
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// HANDLE GetCurrentThread();
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typedef GetCurrentThreadFT = int Function();
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typedef GetCurrentThreadNFT = IntPtr Function();
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// int GetThreadPriority(HANDLE hThread);
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typedef GetThreadPriorityFT = int Function(int handle);
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typedef GetThreadPriorityNFT = Int32 Function(IntPtr handle);
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final getCurrentThread = kernel32
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.lookupFunction<GetCurrentThreadNFT, GetCurrentThreadFT>(
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'GetCurrentThread',
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);
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final getThreadPriority = kernel32
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.lookupFunction<GetThreadPriorityNFT, GetThreadPriorityFT>(
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'GetThreadPriority',
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);
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main(args) {
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if (Platform.isWindows) {
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Expect.equals(-2, getThreadPriority(getCurrentThread()));
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}
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}
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