/// <inheritdoc />
public Task <IDisposable> TryAcquireAsync(string resource, LockOptions options,
CancellationToken cancellationToken = default)
{
return(options.WaitTime.HasValue
? TryRepeatAsync(resource, options, cancellationToken)
: _innerLock.TryAcquireAsync(resource, options.ExpiryTime, cancellationToken));
}
[MethodImpl(MethodImplOptions.NoInlining)] // need to isolate for GC
private WeakReference TestCleanupHelper(IDistributedLock lock1, IDistributedLock lock2)
{
var handle = lock1.Acquire();
Assert.IsNull(lock2.TryAcquireAsync().Result);
return(new WeakReference(handle));
}
public static IDisposable TryAcquireWithAsyncCancellation(IDistributedLock @lock, TimeSpan timeout, CancellationToken cancellationToken)
{
var tryAcquireTask = @lock.TryAcquireAsync(timeout, cancellationToken);
try
{
return(tryAcquireTask.Result);
}
catch (AggregateException ex)
{
// attempt to prevent the throwing of aggregate exceptions
if (ex.InnerExceptions.Count == 1)
{
// rethrow the inner exception without losing stack trace
ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
throw; // otherwise just rethrow
}
}
public static IDisposable?TryAcquireWithAsyncCancellation(IDistributedLock @lock, TimeSpan timeout, CancellationToken cancellationToken)
{
return(@lock.TryAcquireAsync(timeout, cancellationToken).GetAwaiter().GetResult());
}
public static Task <IDisposable> AcquireAsync(IDistributedLock @lock, TimeSpan?timeout, CancellationToken cancellationToken)
{
var tryAcquireTask = @lock.TryAcquireAsync(timeout ?? Timeout.InfiniteTimeSpan, cancellationToken);
return(ValidateTryAcquireResultAsync(tryAcquireTask, timeout));
}