blob: a1c31f79a2d6709aac4adec5df8282adc39642c4 [file] [log] [blame]
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// VMOptions=--worker-thread-priority=-2
// A priority of -2 means THREAD_PRIORITY_LOWEST on windows
import 'dart:ffi';
import 'dart:io';
import 'package:expect/expect.dart';
final DynamicLibrary kernel32 ="kernel32.dll");
// HANDLE GetCurrentThread();
typedef GetCurrentThreadFT = int Function();
typedef GetCurrentThreadNFT = IntPtr Function();
// int GetThreadPriority(HANDLE hThread);
typedef GetThreadPriorityFT = int Function(int handle);
typedef GetThreadPriorityNFT = Int32 Function(IntPtr handle);
final getCurrentThread =
kernel32.lookupFunction<GetCurrentThreadNFT, GetCurrentThreadFT>(
final getThreadPriority =
kernel32.lookupFunction<GetThreadPriorityNFT, GetThreadPriorityFT>(
main(args) {
if (Platform.isWindows) {
Expect.equals(-2, getThreadPriority(getCurrentThread()));