64 lines
1.6 KiB
C#
64 lines
1.6 KiB
C#
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/*******************************************************************/
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/* WARNING */
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/* This file should be identical in the Bartok and Singularity */
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/* depots. Master copy resides in Bartok Depot. Changes should be */
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/* made to Bartok Depot and propagated to Singularity Depot. */
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/*******************************************************************/
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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namespace System.GCs {
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internal struct CoCoPageUserValue
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{
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private ushort userValue;
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internal CoCoPageUserValue(ushort userValue)
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{
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this.userValue = userValue;
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}
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internal ushort Bits
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{
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get {
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return userValue;
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}
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}
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internal bool Marked
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{
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get {
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return (userValue&1)!=0;
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}
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set {
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userValue=(ushort)((userValue&~(ushort)1)|(value?(ushort)1:(ushort)0));
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}
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}
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internal bool Pinned
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{
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get {
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return (userValue&2)!=0;
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}
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set {
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userValue=(ushort)((userValue&~(ushort)2)|(value?(ushort)2:(ushort)0));
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}
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}
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internal int Version
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{
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get {
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return (int)(userValue>>2);
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}
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set {
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userValue=(ushort)((userValue&(ushort)3)|((ushort)(value<<2)));
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}
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}
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}
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}
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