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Imported Upstream version 4.8.0.309

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Former-commit-id: 5f9c6ae75f295e057a7d2971f3a6df4656fa8850
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2016-11-10 13:04:39 +00:00
parent ee1447783b
commit 94b2861243
4912 changed files with 390737 additions and 49310 deletions
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10
mcs/class/referencesource/System.Runtime.Caching/System/Caching/CacheMemoryMonitor.cs
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@ -27,7 +27,7 @@ namespace System.Runtime.Caching {
private long[] _cacheSizeSamples;
private DateTime[] _cacheSizeSampleTimes;
private int _idx;
private SRef _sizedRef;
private SRefMultiple _sizedRefMultiple;
private int _gen2Count;
private long _memoryLimit;
@ -51,7 +51,7 @@ namespace System.Runtime.Caching {
private void InitDisposableMembers(int cacheMemoryLimitMegabytes) {
bool dispose = true;
try {
_sizedRef = new SRef(_memoryCache);
_sizedRefMultiple = new SRefMultiple(_memoryCache.AllSRefTargets);
SetLimit(cacheMemoryLimitMegabytes);
InitHistory();
dispose = false;
@ -112,8 +112,8 @@ namespace System.Runtime.Caching {
}
public void Dispose() {
SRef sref = _sizedRef;
if (sref != null && Interlocked.CompareExchange(ref _sizedRef, null, sref) == sref) {
SRefMultiple sref = _sizedRefMultiple;
if (sref != null && Interlocked.CompareExchange(ref _sizedRefMultiple, null, sref) == sref) {
sref.Dispose();
}
IMemoryCacheManager memoryCacheManager = s_memoryCacheManager;
@ -139,7 +139,7 @@ namespace System.Runtime.Caching {
// This update must happen, otherwise the CacheManager won't
// know the total cache size.
int gen2Count = GC.CollectionCount(2);
SRef sref = _sizedRef;
SRefMultiple sref = _sizedRefMultiple;
if (gen2Count != _gen2Count && sref != null) {
// update _gen2Count
_gen2Count = gen2Count;