private async Task <_SemaphoreLock> Lock3Async()
{
var semaphore = new _SemaphoreLock(_semaphoreSlim);
await semaphore.LockAsync(_timeout, _ct);
return(semaphore);
}
private async Task <_SemaphoreLock> Lock1Async()
{
var semaphore = new _SemaphoreLock(_semaphoreSlim);
await semaphore.LockAsync();
return(semaphore);
}