SinMaiLauncher/ChildProcessHolder/ChildProcessStateBagForConsole.cs

using System.Threading;

namespace SinMaiLauncher.ChildProcessHolder;

internal class ChildProcessStateBagForConsole(ChildProcessKind kind, IProcessStartInfo startInfo) : ChildProcessStateBag(kind, startInfo)
{
    public nint? HWndConsole { get; private set; }

    protected override async Task<bool> CheckReadyAsync()
    {
        if (Pid.HasValue == false) return false;

        const int timeoutSecond = 5;
        var startTime = DateTime.Now;

        while (IsAlive && DateTime.Now - startTime < TimeSpan.FromSeconds(timeoutSecond))
        {
            var h = Program.GetConsoleWindow(Pid.Value);
            if (h == -1)
            {
                await Task.Delay(100);
            }
            else
            {
                HWndConsole = h;
                break;
            }
        }

        Status = ChildProcessStatus.WaitingReady;
        return HWndConsole != null;
    }

    public override async Task StopAsync(TimeSpan timeout)
    {
        Status = ChildProcessStatus.Stopping;

        if (IsAlive && Pid.HasValue) Program.SendCtrlC(Pid.Value);

        await Task.WhenAny(WaitForExitAsync(), Task.Delay(timeout));

        await base.StopAsync(timeout);

        HWndConsole = null;
    }
}