Rent()

override T[] System.Buffers.TlsOverPerCoreLockedStacksArrayPool< T >.Rent ( int minimumLength )

inline

Definition at line 212 of file TlsOverPerCoreLockedStacksArrayPool.cs.

    {
        ArrayPoolEventSource log = ArrayPoolEventSource.Log;
        int num = Utilities.SelectBucketIndex(minimumLength);
        ThreadLocalArray[] array = t_tlsBuckets;
        T[] array2;
        if (array != null && (uint)num < (uint)array.Length)
        {
            array2 = array[num].Array;
            if (array2 != null)
            {
                array[num].Array = null;
                if (log.IsEnabled())
                {
                    log.BufferRented(array2.GetHashCode(), array2.Length, Id, num);
                }
                return array2;
            }
        }
        PerCoreLockedStacks[] buckets = _buckets;
        if ((uint)num < (uint)buckets.Length)
        {
            PerCoreLockedStacks perCoreLockedStacks = buckets[num];
            if (perCoreLockedStacks != null)
            {
                array2 = perCoreLockedStacks.TryPop();
                if (array2 != null)
                {
                    if (log.IsEnabled())
                    {
                        log.BufferRented(array2.GetHashCode(), array2.Length, Id, num);
                    }
                    return array2;
                }
            }
            minimumLength = Utilities.GetMaxSizeForBucket(num);
        }
        else
        {
            if (minimumLength == 0)
            {
                return Array.Empty<T>();
            }
            if (minimumLength < 0)
            {
                throw new ArgumentOutOfRangeException("minimumLength");
            }
        }
        array2 = GC.AllocateUninitializedArray<T>(minimumLength);
        if (log.IsEnabled())
        {
            int hashCode = array2.GetHashCode();
            log.BufferRented(hashCode, array2.Length, Id, -1);
            log.BufferAllocated(hashCode, array2.Length, Id, -1, (num >= _buckets.Length) ? ArrayPoolEventSource.BufferAllocatedReason.OverMaximumSize : ArrayPoolEventSource.BufferAllocatedReason.PoolExhausted);
        }
        return array2;
    }

References System.Buffers.TlsOverPerCoreLockedStacksArrayPool< T >._buckets, System.array, System.Buffers.Utilities.GetMaxSizeForBucket(), System.Buffers.TlsOverPerCoreLockedStacksArrayPool< T >.Id, System.Buffers.ArrayPoolEventSource.Log, System.Buffers.Utilities.SelectBucketIndex(), and System.Buffers.TlsOverPerCoreLockedStacksArrayPool< T >.t_tlsBuckets.