ParallelLoopStateFlags64.cs

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namespace System.Threading.Tasks;
 
internal sealed class ParallelLoopStateFlags64 : ParallelLoopStateFlags
{
    internal long _lowestBreakIteration = long.MaxValue;
 
    internal long LowestBreakIteration
    {
        get
        {
            if (IntPtr.Size >= 8)
            {
                return _lowestBreakIteration;
            }
            return Interlocked.Read(ref _lowestBreakIteration);
        }
    }
 
    internal long? NullableLowestBreakIteration
    {
        get
        {
            if (_lowestBreakIteration == long.MaxValue)
            {
                return null;
            }
            if (IntPtr.Size >= 8)
            {
                return _lowestBreakIteration;
            }
            return Interlocked.Read(ref _lowestBreakIteration);
        }
    }
 
    internal bool ShouldExitLoop(long CallerIteration)
    {
        int loopStateFlags = base.LoopStateFlags;
        if (loopStateFlags != 0)
        {
            if ((loopStateFlags & 0xD) == 0)
            {
                if (((uint)loopStateFlags & 2u) != 0)
                {
                    return CallerIteration > LowestBreakIteration;
                }
                return false;
            }
            return true;
        }
        return false;
    }
 
    internal bool ShouldExitLoop()
    {
        int loopStateFlags = base.LoopStateFlags;
        if (loopStateFlags != 0)
        {
            return (loopStateFlags & 9) != 0;
        }
        return false;
    }
}