/// <inheritdoc />
public override bool Enter(TimeSpan timeout, CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
return(false);
}
if (timeout == TimeSpan.Zero)
{
return(locker.Do(() =>
{
if (!locked)
{
locked = true;
ev.Reset();
return true;
}
return false;
}));
}
var stopwatch = Stopwatch.StartNew();
while (true)
{
if (!locker.Do(() =>
{
var locked = this.locked;
this.locked = true;
if (!locked)
{
ev.Reset();
}
return(locked);
}))
{
return(true);
}
if (cancellationToken.IsCancellationRequested)
{
return(false);
}
if (timeout != Timeout.InfiniteTimeSpan && stopwatch.Elapsed >= timeout)
{
return(false);
}
ev.Wait(GetTimeout(timeout, stopwatch.Elapsed), cancellationToken);
}
}
public void Complete(bool result)
{
if (Interlocked.Exchange(ref completed, 1) == 0)
{
disposing.Do(() =>
{
ev.ReleaseAll();
this.result = result;
continuation?.Invoke();
});
}
}
public bool Wait(TimeSpan timeout, CancellationToken cancellationToken)
{
return(locker.Do(() =>
{
if (!released)
{
var ev = new T();
ev.Enter();
queue.Enqueue(ev);
return ev;
}
return null;
})?.Enter(timeout, cancellationToken) ?? false);
}
public static void Do(this MiniLocker @this, Action action)
=> @this.Do(() => { action(); return(0); });
