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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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48
mcs/class/referencesource/System.Runtime.Caching/System/Caching/MemoryCache.cs
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@ -27,9 +27,8 @@ namespace System.Runtime.Caching {
private static object s_initLock = new object();
private static MemoryCache s_defaultCache;
private static CacheEntryRemovedCallback s_sentinelRemovedCallback = new CacheEntryRemovedCallback(SentinelEntry.OnCacheEntryRemovedCallback);
private MemoryCacheStore[] _stores;
private GCHandleRef<MemoryCacheStore>[] _storeRefs;
private int _storeCount;
private int _storeMask;
private int _disposed;
private MemoryCacheStatistics _stats;
private string _name;
@ -150,8 +149,18 @@ namespace System.Runtime.Caching {
if (hashCode < 0) {
hashCode = (hashCode == Int32.MinValue) ? 0 : -hashCode;
}
int idx = hashCode & _storeMask;
return _stores[idx];
int idx = hashCode % _storeCount;
return _storeRefs[idx].Target;
}
internal object[] AllSRefTargets {
get {
var allStores = new MemoryCacheStore[_storeCount];
for (int i = 0; i < _storeCount; i++) {
allStores[i] = _storeRefs[i].Target;
}
return allStores;
}
}
[SecuritySafeCritical]
@ -166,8 +175,8 @@ namespace System.Runtime.Caching {
catch {
// ignore exceptions from perf counters
}
for (int i = 0; i < _stores.Length; i++) {
_stores[i] = new MemoryCacheStore(this, _perfCounters);
for (int i = 0; i < _storeCount; i++) {
_storeRefs[i] = new GCHandleRef<MemoryCacheStore> (new MemoryCacheStore(this, _perfCounters));
}
_stats = new MemoryCacheStatistics(this, config);
AppDomain appDomain = Thread.GetDomain();
@ -321,8 +330,7 @@ namespace System.Runtime.Caching {
}
}
#endif
_storeMask = _storeCount - 1;
_stores = new MemoryCacheStore[_storeCount];
_storeRefs = new GCHandleRef<MemoryCacheStore>[_storeCount];
InitDisposableMembers(config);
}
@ -392,10 +400,10 @@ namespace System.Runtime.Caching {
if (_stats != null) {
_stats.Dispose();
}
if (_stores != null) {
foreach (MemoryCacheStore store in _stores) {
if (store != null) {
store.Dispose();
if (_storeRefs != null) {
foreach (var storeRef in _storeRefs) {
if (storeRef != null) {
storeRef.Dispose();
}
}
}
@ -442,8 +450,8 @@ namespace System.Runtime.Caching {
IEnumerator IEnumerable.GetEnumerator() {
Hashtable h = new Hashtable();
if (!IsDisposed) {
foreach (MemoryCacheStore store in _stores) {
store.CopyTo(h);
foreach (var storeRef in _storeRefs) {
storeRef.Target.CopyTo(h);
}
}
return h.GetEnumerator();
@ -452,8 +460,8 @@ namespace System.Runtime.Caching {
protected override IEnumerator<KeyValuePair<string, object>> GetEnumerator() {
Dictionary<string, object> h = new Dictionary<string, object>();
if (!IsDisposed) {
foreach (MemoryCacheStore store in _stores) {
store.CopyTo(h);
foreach (var storeRef in _storeRefs) {
storeRef.Target.CopyTo(h);
}
}
return h.GetEnumerator();
@ -471,8 +479,8 @@ namespace System.Runtime.Caching {
}
long trimmed = 0;
if (_disposed == 0) {
foreach (MemoryCacheStore store in _stores) {
trimmed += store.TrimInternal(percent);
foreach (var storeRef in _storeRefs) {
trimmed += storeRef.Target.TrimInternal(percent);
}
}
return trimmed;
@ -680,8 +688,8 @@ namespace System.Runtime.Caching {
}
long count = 0;
if (!IsDisposed) {
foreach (MemoryCacheStore store in _stores) {
count += store.Count;
foreach (var storeRef in _storeRefs) {
count += storeRef.Target.Count;
}
}
return count;