public Task<Token> AcquireAsync()
{
OwnerToken nextOwner = new OwnerToken();
Task<Token> task = nextOwner.Task;
lock (this.nextOwners)
{
if (this.owner == null)
{
this.owner = nextOwner;
nextOwner.Complete();
}
else
{
this.nextOwners.Enqueue(nextOwner);
}
}
return task;
}
public Task <Token> AcquireAsync()
{
OwnerToken nextOwner = new OwnerToken();
Task <Token> task = nextOwner.Task;
lock (this.nextOwners)
{
if (this.owner == null)
{
this.owner = nextOwner;
nextOwner.Complete();
}
else
{
this.nextOwners.Enqueue(nextOwner);
}
}
return(task);
}
public void Release(Token token)
{
OwnerToken nextOwner = null;
lock (this.nextOwners)
{
if (this.owner != token)
{
throw new InvalidOperationException("The token is not valid.");
}
this.owner = null;
if (this.nextOwners.Count > 0)
{
nextOwner = this.nextOwners.Dequeue();
this.owner = nextOwner;
}
}
if (nextOwner != null)
{
nextOwner.Complete();
}
}