private static void ScanForExpiredEntries(MemoryCache cache)
{
DateTime utcNow = DateTime.UtcNow;
foreach (var cachePair in cache._cacheEntries)
{
object key = cachePair.Key;
CacheEntry cacheEntry = cachePair.Value;
if (cacheEntry.CheckIfExpired(utcNow))
{
if (cache._cacheEntries.Remove(key, cacheEntry))
{
cache.RemoveFromAllTagEntries(cacheEntry);
}
}
}
foreach (var tagPair in cache._tagEntries)
{
object tag = tagPair.Key;
TagEntry tagEntry = tagPair.Value;
if (tagEntry.IsEmpty)
{
if (cache._tagEntries.Remove(tag, tagEntry))
{
tagEntry.MarkAsRemoved();
cache.RemoveLinkedCacheEntries(tagEntry);
}
}
}
Volatile.Write(ref cache._cleanupIsRunning, 0);
}
