public async Task <IDisposable> Lock(string key, TimeSpan?timeout)
{
timeout = timeout ?? TimeSpan.FromSeconds(10);
UsingLock theLock;
lock (key)
{
theLock = _lockDic.GetOrCreate(key, cacheEntry =>
{
var newLock = new UsingLock();
cacheEntry.SlidingExpiration = TimeSpan.FromSeconds(30);
cacheEntry.RegisterPostEvictionCallback((_, _, reason, _) =>
{
if (reason == EvictionReason.Expired ||
reason == EvictionReason.TokenExpired ||
reason == EvictionReason.Removed)
{
newLock.DisposeLock();
}
});
return(newLock);
});
}
await theLock.Wait(timeout.Value);
return(theLock);
}
public MyQueue(IEnumerable <string> strings)
{
_List = new List <string>(strings);
_Lock = new UsingLock <object>();
}