private static object GetOrAdd(string key)
{
CountedLock padlock = m_waitLock.GetOrAdd(key, LockFactory);
padlock.Increment();
return(padlock);
}
// Returns the semaphore associated to the key. Either creates
// a new one and adds to the map, or returns the already existing
// one (additionally incrementing its referenced count)
private SemaphoreSlim AcquireLock(string key)
{
CountedLock exclusiveLock;
lock (_locks)
{
if (_locks.TryGetValue(key, out exclusiveLock))
{
exclusiveLock.Increment();
}
else
{
exclusiveLock = new CountedLock();
_locks[key] = exclusiveLock;
}
}
return(exclusiveLock.Lock);
}
