blob: f1574cf9761dc78075cc12cef89d089afc519e92 [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=15
import 'dart:ffi';
import 'dart:io';
import 'package:expect/expect.dart';
import 'package:ffi/ffi.dart';
// pthread_t pthread_self()
typedef PthreadSelfFT = int Function();
typedef PthreadSelfNFT = IntPtr Function();
// int pthread_getschedparam(pthread_t thread, int *policy, struct sched_param *param);
typedef GetSchedParamFT = int Function(
int self, Pointer<Int32> policy, Pointer<SchedParam> param);
typedef GetSchedParamNFT = IntPtr Function(
IntPtr self, Pointer<Int32> policy, Pointer<SchedParam> param);
final pthreadSelf = DynamicLibrary.process()
.lookupFunction<PthreadSelfNFT, PthreadSelfFT>('pthread_self');
final pthreadGetSchedParam = DynamicLibrary.process()
.lookupFunction<GetSchedParamNFT, GetSchedParamFT>('pthread_getschedparam');
// struct sched_param { int sched_priority; }
class SchedParam extends Struct {
int schedPriority;
main(args) {
if (Platform.isMacOS) {
final policy = calloc<Int32>(1);
final param = calloc<SchedParam>(1);
Expect.equals(0, pthreadGetSchedParam(pthreadSelf(), policy, param));
Expect.equals(15, param.ref.schedPriority);;;