/// <summary>
/// Locks a couple of UsableWriteLocks for Writing in order to prevent deadlocks.
/// </summary>
/// <param name="locks">the WriteLocks to lock</param>
/// <returns>a multidisposer to release the locks in opposite order</returns>
public static MultiDisposer LockWrite(params UsableWriteLock[] locks)
{
IDisposable[] disposables = new IDisposable[locks.Length];
UsableWriteLock[] lockys = new UsableWriteLock[locks.Length];
for (int i = 0; i < locks.Length; i++)
{
int currentIndex = -1;
for (int j = 0; j < locks.Length; j++)
{
if (lockys.Contains(locks[j]))
{
continue;
}
if (lockys[i] == null)
{
currentIndex = j;
}
else if (lockys[i].ID < locks[j].ID)
{
currentIndex = j;
}
}
lockys[i] = locks[currentIndex];
disposables[i] = locks[currentIndex].LockWrite();
}
return(new MultiDisposer(disposables));
}