diff --git a/AsyncRx.NET/System.Reactive.Async/Disposables/CompositeAsyncDisposable.cs b/AsyncRx.NET/System.Reactive.Async/Disposables/CompositeAsyncDisposable.cs
index ab78b7a00..3742fe52a 100644
--- a/AsyncRx.NET/System.Reactive.Async/Disposables/CompositeAsyncDisposable.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Disposables/CompositeAsyncDisposable.cs
@@ -4,14 +4,14 @@
using System.Collections.Generic;
using System.Linq;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Disposables
{
public sealed class CompositeAsyncDisposable : IAsyncDisposable
{
- private readonly AsyncGate _gate = new();
+ private readonly IAsyncGate _gate = AsyncGate.Create();
private readonly List<IAsyncDisposable> _disposables;
private bool _disposed;
diff --git a/AsyncRx.NET/System.Reactive.Async/Disposables/RefCountAsyncDisposable.cs b/AsyncRx.NET/System.Reactive.Async/Disposables/RefCountAsyncDisposable.cs
index 93f801af2..90f2aca8b 100644
--- a/AsyncRx.NET/System.Reactive.Async/Disposables/RefCountAsyncDisposable.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Disposables/RefCountAsyncDisposable.cs
@@ -2,6 +2,7 @@
// The .NET Foundation licenses this file to you under the MIT License.
// See the LICENSE file in the project root for more information.
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -9,7 +10,7 @@ namespace System.Reactive.Disposables
{
public sealed class RefCountAsyncDisposable : IAsyncDisposable
{
- private readonly AsyncGate _gate = new();
+ private readonly IAsyncGate _gate = AsyncGate.Create();
private IAsyncDisposable _disposable;
private bool _primaryDisposed;
private int _count;
diff --git a/AsyncRx.NET/System.Reactive.Async/Disposables/SerialAsyncDisposable.cs b/AsyncRx.NET/System.Reactive.Async/Disposables/SerialAsyncDisposable.cs
index 94bb1a6b7..2020a8f50 100644
--- a/AsyncRx.NET/System.Reactive.Async/Disposables/SerialAsyncDisposable.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Disposables/SerialAsyncDisposable.cs
@@ -2,14 +2,14 @@
// The .NET Foundation licenses this file to you under the MIT License.
// See the LICENSE file in the project root for more information.
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Disposables
{
public sealed class SerialAsyncDisposable : IAsyncDisposable
{
- private readonly AsyncGate _gate = new();
+ private readonly IAsyncGate _gate = AsyncGate.Create();
private IAsyncDisposable _disposable;
private bool _disposed;
diff --git a/AsyncRx.NET/System.Reactive.Async/Internal/ScheduledAsyncObserverBase.cs b/AsyncRx.NET/System.Reactive.Async/Internal/ScheduledAsyncObserverBase.cs
index 36fe60b46..371195d64 100644
--- a/AsyncRx.NET/System.Reactive.Async/Internal/ScheduledAsyncObserverBase.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Internal/ScheduledAsyncObserverBase.cs
@@ -3,6 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -12,7 +13,7 @@ internal abstract class ScheduledAsyncObserverBase<T> : AsyncObserverBase<T>, IS
{
private readonly IAsyncObserver<T> _observer;
- private readonly AsyncGate _lock = new();
+ private readonly IAsyncGate _lock = AsyncGate.Create();
private readonly Queue<T> _queue = new();
private bool _hasFaulted = false;
diff --git a/AsyncRx.NET/System.Reactive.Async/Joins/AsyncJoinObserver.cs b/AsyncRx.NET/System.Reactive.Async/Joins/AsyncJoinObserver.cs
index e1e8df311..5803eba6d 100644
--- a/AsyncRx.NET/System.Reactive.Async/Joins/AsyncJoinObserver.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Joins/AsyncJoinObserver.cs
@@ -5,7 +5,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
using System.Reactive.Linq;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Joins
@@ -18,7 +18,7 @@ internal sealed class AsyncJoinObserver<T> : AsyncObserverBase<Notification<T>>,
private readonly List<ActiveAsyncPlan> _activePlans = new();
private readonly SingleAssignmentAsyncDisposable _subscription = new();
- private AsyncGate _gate;
+ private IAsyncGate _gate;
private bool _isDisposed;
public AsyncJoinObserver(IAsyncObservable<T> source, Func<Exception, ValueTask> onError)
@@ -56,7 +56,7 @@ public async ValueTask DisposeAsync()
}
}
- public async Task SubscribeAsync(AsyncGate gate)
+ public async Task SubscribeAsync(IAsyncGate gate)
{
_gate = gate;
diff --git a/AsyncRx.NET/System.Reactive.Async/Joins/IAsyncJoinObserver.cs b/AsyncRx.NET/System.Reactive.Async/Joins/IAsyncJoinObserver.cs
index df2d71c59..eb3c488c9 100644
--- a/AsyncRx.NET/System.Reactive.Async/Joins/IAsyncJoinObserver.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Joins/IAsyncJoinObserver.cs
@@ -2,14 +2,14 @@
// The .NET Foundation licenses this file to you under the MIT License.
// See the LICENSE file in the project root for more information.
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Joins
{
internal interface IAsyncJoinObserver : IAsyncDisposable
{
- Task SubscribeAsync(AsyncGate gate);
+ Task SubscribeAsync(IAsyncGate gate);
void Dequeue();
}
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Amb.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Amb.cs
index 9105d85dc..037688eac 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Amb.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Amb.cs
@@ -5,7 +5,7 @@
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -83,7 +83,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TSource>) Amb<TSource>(IA
if (second == null)
throw new ArgumentNullException(nameof(second));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var state = AmbState.None;
@@ -199,7 +199,7 @@ public static IAsyncObserver<TSource>[] Amb<TSource>(IAsyncObserver<TSource> obs
if (subscriptions == null)
throw new ArgumentNullException(nameof(subscriptions));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var winner = default(int?);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Buffer.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Buffer.cs
index 000c3b50b..1b59fbb08 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Buffer.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Buffer.cs
@@ -5,6 +5,7 @@
using System.Collections.Generic;
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -306,7 +307,7 @@ public static IAsyncObserver<TSource> Buffer<TSource>(IAsyncObserver<IList<TSour
async Task<(IAsyncObserver<TSource>, IAsyncDisposable)> CoreAsync()
{
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var buffer = new List<TSource>();
@@ -378,7 +379,7 @@ public static IAsyncObserver<TSource> Buffer<TSource>(IAsyncObserver<IList<TSour
async Task<(IAsyncObserver<TSource>, IAsyncDisposable)> CoreAsync()
{
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queue = new Queue<List<TSource>>();
@@ -509,7 +510,7 @@ TimeSpan GetNextDue()
async Task<(IAsyncObserver<TSource>, IAsyncDisposable)> CoreAsync()
{
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var timer = new SerialAsyncDisposable();
@@ -586,7 +587,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TBufferBoundary>) Buffer<
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var buffer = new List<TSource>();
@@ -660,7 +661,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TBufferBoundary>) Buffer<
{
var closeSubscription = new SerialAsyncDisposable();
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queueLock = new AsyncQueueLock();
var buffer = new List<TSource>();
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.cs
index c8ae78381..c5cf24f3a 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.cs
@@ -3,6 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -1827,7 +1828,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>) CombineLatest<T1, T2>(IAs
bool isDone2 = false;
T2 latestValue2 = default(T2);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -1946,7 +1947,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>) CombineLatest<T1, T2, TRe
bool isDone2 = false;
T2 latestValue2 = default(T2);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -2078,7 +2079,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>) Combi
bool isDone3 = false;
T3 latestValue3 = default(T3);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -2243,7 +2244,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>) Combi
bool isDone3 = false;
T3 latestValue3 = default(T3);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -2432,7 +2433,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone4 = false;
T4 latestValue4 = default(T4);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -2643,7 +2644,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone4 = false;
T4 latestValue4 = default(T4);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -2889,7 +2890,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone5 = false;
T5 latestValue5 = default(T5);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -3146,7 +3147,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone5 = false;
T5 latestValue5 = default(T5);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -3449,7 +3450,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone6 = false;
T6 latestValue6 = default(T6);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -3752,7 +3753,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone6 = false;
T6 latestValue6 = default(T6);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -4112,7 +4113,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone7 = false;
T7 latestValue7 = default(T7);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -4461,7 +4462,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone7 = false;
T7 latestValue7 = default(T7);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -4878,7 +4879,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone8 = false;
T8 latestValue8 = default(T8);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -5273,7 +5274,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone8 = false;
T8 latestValue8 = default(T8);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -5747,7 +5748,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone9 = false;
T9 latestValue9 = default(T9);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -6188,7 +6189,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone9 = false;
T9 latestValue9 = default(T9);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -6719,7 +6720,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone10 = false;
T10 latestValue10 = default(T10);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -7206,7 +7207,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone10 = false;
T10 latestValue10 = default(T10);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -7794,7 +7795,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone11 = false;
T11 latestValue11 = default(T11);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -8327,7 +8328,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone11 = false;
T11 latestValue11 = default(T11);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -8972,7 +8973,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone12 = false;
T12 latestValue12 = default(T12);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -9551,7 +9552,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone12 = false;
T12 latestValue12 = default(T12);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -10253,7 +10254,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone13 = false;
T13 latestValue13 = default(T13);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -10878,7 +10879,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone13 = false;
T13 latestValue13 = default(T13);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -11637,7 +11638,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone14 = false;
T14 latestValue14 = default(T14);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -12308,7 +12309,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone14 = false;
T14 latestValue14 = default(T14);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -13124,7 +13125,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone15 = false;
T15 latestValue15 = default(T15);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -13841,7 +13842,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
bool isDone15 = false;
T15 latestValue15 = default(T15);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.tt b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.tt
index 5e42119a4..e6b44999d 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.tt
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/CombineLatest.Generated.tt
@@ -9,6 +9,7 @@
<#@ import namespace="System.Collections.Generic" #>
<#@ output extension=".cs" #>
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -161,7 +162,7 @@ for (var j = 1; j <= i; j++)
}
#>
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -248,7 +249,7 @@ for (var j = 1; j <= i; j++)
}
#>
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Delay.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Delay.cs
index 918871500..c5510bfe4 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Delay.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Delay.cs
@@ -5,6 +5,7 @@
using System.Collections.Generic;
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -76,7 +77,7 @@ public partial class AsyncObserver
var semaphore = new SemaphoreSlim(0);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queue = new Queue<TimeInterval<TSource>>();
var isDone = false;
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupByUntil.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupByUntil.cs
index 5221045a9..a724d17b9 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupByUntil.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupByUntil.cs
@@ -6,7 +6,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
using System.Reactive.Subjects;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -609,7 +609,7 @@ public partial class AsyncObserver
groups = new ConcurrentDictionary<TKey, IAsyncSubject<TElement>>(Environment.ProcessorCount * 4, capacity, comparer);
}
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var nullGate = new object();
var nullGroup = default(IAsyncSubject<TElement>);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupJoin.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupJoin.cs
index 93d855bc9..1718da00b 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupJoin.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/GroupJoin.cs
@@ -5,7 +5,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
using System.Reactive.Subjects;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -57,7 +57,7 @@ public static (IAsyncObserver<TLeft>, IAsyncObserver<TRight>, IAsyncDisposable)
if (resultSelector == null)
throw new ArgumentNullException(nameof(resultSelector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var group = new CompositeAsyncDisposable(subscriptions);
var refCount = new RefCountAsyncDisposable(group);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Join.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Join.cs
index 5d9971479..0c78aa789 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Join.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Join.cs
@@ -4,7 +4,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -59,7 +59,7 @@ public static (IAsyncObserver<TLeft>, IAsyncObserver<TRight>, IAsyncDisposable)
if (resultSelector == null)
throw new ArgumentNullException(nameof(resultSelector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var group = new CompositeAsyncDisposable(subscriptions);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Merge.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Merge.cs
index f03a496db..4f111931a 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Merge.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Merge.cs
@@ -3,7 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -35,7 +35,7 @@ public static (IAsyncObserver<IAsyncObservable<TSource>>, IAsyncDisposable) Merg
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var count = 1;
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/ObserveOn.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/ObserveOn.cs
index d4949b1e1..3fc84e0f3 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/ObserveOn.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/ObserveOn.cs
@@ -5,6 +5,7 @@
using System.Collections.Generic;
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -44,7 +45,7 @@ public partial class AsyncObserver
var semaphore = new SemaphoreSlim(0);
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queue = new Queue<TSource>();
var error = default(Exception);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/RefCount.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/RefCount.cs
index 60da700b3..309c01845 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/RefCount.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/RefCount.cs
@@ -4,7 +4,7 @@
using System.Reactive.Disposables;
using System.Reactive.Subjects;
-using System.Threading;
+using System.Reactive.Threading;
namespace System.Reactive.Linq
{
@@ -15,7 +15,7 @@ public static IAsyncObservable<TSource> RefCount<TSource>(this IConnectableAsync
if (source == null)
throw new ArgumentNullException(nameof(source));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var count = 0;
var connectable = default(IAsyncDisposable);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Sample.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Sample.cs
index e8752d3d8..aa326863e 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Sample.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Sample.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -78,7 +78,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TSample>) Sample<TSource,
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var hasValue = false;
var value = default(TSource);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SelectMany.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SelectMany.cs
index e1d19a6a6..bc3d768fc 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SelectMany.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SelectMany.cs
@@ -3,7 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -222,7 +222,7 @@ public static (IAsyncObserver<TSource>, IAsyncDisposable) SelectMany<TSource, TC
if (resultSelector == null)
throw new ArgumentNullException(nameof(resultSelector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var count = 1;
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SequenceEqual.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SequenceEqual.cs
index acd4f6eff..d02e3c6f0 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SequenceEqual.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SequenceEqual.cs
@@ -4,7 +4,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
namespace System.Reactive.Linq
{
@@ -84,7 +84,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TSource>) SequenceEqual<T
if (comparer == null)
throw new ArgumentNullException(nameof(comparer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queueLeft = new Queue<TSource>();
var queueRight = new Queue<TSource>();
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Skip.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Skip.cs
index 126dbb00d..1b59adeb1 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Skip.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Skip.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -130,7 +130,7 @@ public static IAsyncObserver<TSource> Skip<TSource>(IAsyncObserver<TSource> obse
// REVIEW: May be easier to just use SkipUntil with a Timer parameter. Do we want Skip on the observer?
// DESIGN: It seems that if an observer would be an IAsyncDisposable, this could get a bit easier ("inject" the inner disposable).
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var open = false;
return
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SkipUntil.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SkipUntil.cs
index 7f6c478d7..75b9ab35d 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SkipUntil.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/SkipUntil.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -87,7 +87,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TUntil>) SkipUntil<TSourc
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var open = false;
return
@@ -154,7 +154,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TUntil>) SkipUntil<TSourc
// REVIEW: May be easier to just use SkipUntil with a Timer parameter. Do we want SkipUntil on the observer?
// DESIGN: It seems that if an observer would be an IAsyncDisposable, this could get a bit easier ("inject" the inner disposable).
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var open = false;
return
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Switch.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Switch.cs
index 14cc45ee7..72f6e2a7d 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Switch.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Switch.cs
@@ -3,7 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
namespace System.Reactive.Linq
{
@@ -34,7 +34,7 @@ public static (IAsyncObserver<IAsyncObservable<TSource>>, IAsyncDisposable) Swit
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var isStopped = false;
var hasLatest = false;
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Synchronize.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Synchronize.cs
index 27d016799..32fd3c3da 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Synchronize.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Synchronize.cs
@@ -2,7 +2,7 @@
// The .NET Foundation licenses this file to you under the MIT License.
// See the LICENSE file in the project root for more information.
-using System.Threading;
+using System.Reactive.Threading;
namespace System.Reactive.Linq
{
@@ -16,7 +16,7 @@ public static IAsyncObservable<TSource> Synchronize<TSource>(this IAsyncObservab
return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.Synchronize(observer)));
}
- public static IAsyncObservable<TSource> Synchronize<TSource>(this IAsyncObservable<TSource> source, AsyncGate gate)
+ public static IAsyncObservable<TSource> Synchronize<TSource>(this IAsyncObservable<TSource> source, IAsyncGate gate)
{
if (source == null)
throw new ArgumentNullException(nameof(source));
@@ -37,10 +37,10 @@ public static IAsyncObserver<TSource> Synchronize<TSource>(IAsyncObserver<TSourc
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- return Synchronize(observer, new AsyncGate());
+ return Synchronize(observer, AsyncGate.Create());
}
- public static IAsyncObserver<TSource> Synchronize<TSource>(IAsyncObserver<TSource> observer, AsyncGate gate)
+ public static IAsyncObserver<TSource> Synchronize<TSource>(IAsyncObserver<TSource> observer, IAsyncGate gate)
{
if (observer == null)
throw new ArgumentNullException(nameof(observer));
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Take.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Take.cs
index d0064c23a..63cce1f73 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Take.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Take.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -130,7 +130,7 @@ public static IAsyncObserver<TSource> Take<TSource>(IAsyncObserver<TSource> obse
// REVIEW: May be easier to just use TakeUntil with a Timer parameter. Do we want TakeUntil on the observer?
// DESIGN: It seems that if an observer would be an IAsyncDisposable, this could get a bit easier ("inject" the inner disposable).
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/TakeUntil.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/TakeUntil.cs
index b71eb727a..5d70568b3 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/TakeUntil.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/TakeUntil.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -87,7 +87,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TUntil>) TakeUntil<TSourc
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
@@ -150,7 +150,7 @@ public static (IAsyncObserver<TSource>, IAsyncObserver<TUntil>) TakeUntil<TSourc
// REVIEW: May be easier to just use TakeUntil with a Timer parameter. Do we want TakeUntil on the observer?
// DESIGN: It seems that if an observer would be an IAsyncDisposable, this could get a bit easier ("inject" the inner disposable).
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
return
(
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Throttle.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Throttle.cs
index 9516fc35e..390ceeb4b 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Throttle.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Throttle.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
namespace System.Reactive.Linq
{
@@ -104,7 +104,7 @@ public static (IAsyncObserver<TSource>, IAsyncDisposable) Throttle<TSource>(IAsy
if (scheduler == null)
throw new ArgumentNullException(nameof(scheduler));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var timer = new SerialAsyncDisposable();
@@ -187,7 +187,7 @@ public static (IAsyncObserver<TSource>, IAsyncDisposable) Throttle<TSource, TThr
if (throttleSelector == null)
throw new ArgumentNullException(nameof(throttleSelector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var throttler = new SerialAsyncDisposable();
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Timeout.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Timeout.cs
index df4a1a66a..c404a5794 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Timeout.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Timeout.cs
@@ -4,7 +4,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -159,7 +159,7 @@ public partial class AsyncObserver
async Task<(IAsyncObserver<TSource>, IAsyncDisposable)> CoreAsync()
{
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var switched = false;
var id = 0UL;
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/When.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/When.cs
index 562c28ad3..515554035 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/When.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/When.cs
@@ -5,7 +5,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
using System.Reactive.Joins;
-using System.Threading;
+using System.Reactive.Threading;
namespace System.Reactive.Linq
{
@@ -19,7 +19,7 @@ public static IAsyncObservable<TResult> When<TResult>(IEnumerable<AsyncPlan<TRes
return Create<TResult>(async observer =>
{
var externalSubscriptions = new Dictionary<object, IAsyncJoinObserver>();
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var activePlans = new List<ActiveAsyncPlan>();
var outputObserver = AsyncObserver.Create<TResult>(
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Window.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Window.cs
index aafbe08e3..886d51187 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Window.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Window.cs
@@ -6,6 +6,7 @@
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
using System.Reactive.Subjects;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -296,7 +297,7 @@ public static (IAsyncObserver<TSource>, IAsyncDisposable) Window<TSource>(IAsync
if (scheduler == null)
throw new ArgumentNullException(nameof(scheduler));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var window = default(IAsyncSubject<TSource>);
var d = new CompositeAsyncDisposable();
@@ -382,7 +383,7 @@ async Task CreateWindowAsync()
if (scheduler == null)
throw new ArgumentNullException(nameof(scheduler));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var d = new CompositeAsyncDisposable();
var timer = new SerialAsyncDisposable();
@@ -538,7 +539,7 @@ async Task CreateTimer()
if (scheduler == null)
throw new ArgumentNullException(nameof(scheduler));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var n = 0;
var window = default(IAsyncSubject<TSource>);
@@ -649,7 +650,7 @@ async Task<IAsyncSubject<TSource>> CreateWindowAsync()
if (subscription == null)
throw new ArgumentNullException(nameof(subscription));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var refCount = new RefCountAsyncDisposable(subscription);
var window = default(IAsyncSubject<TSource>);
@@ -736,7 +737,7 @@ async Task CreateWindowAsync()
var closeSubscription = new SerialAsyncDisposable();
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queueLock = new AsyncQueueLock();
var refCount = new RefCountAsyncDisposable(subscription);
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/WithLatestFrom.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/WithLatestFrom.cs
index 859aaaca2..c15d3d2c0 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/WithLatestFrom.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/WithLatestFrom.cs
@@ -3,7 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -103,7 +103,7 @@ public static (IAsyncObserver<TFirst>, IAsyncObserver<TSecond>) WithLatestFrom<T
if (resultSelector == null)
throw new ArgumentNullException(nameof(resultSelector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
async ValueTask OnErrorAsync(Exception ex)
{
@@ -170,7 +170,7 @@ public static (IAsyncObserver<TFirst>, IAsyncObserver<TSecond>) WithLatestFrom<T
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
async ValueTask OnErrorAsync(Exception ex)
{
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.cs
index 01f2985fa..f3887b3f5 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.cs
@@ -4,6 +4,7 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -1819,7 +1820,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>) Zip<T1, T2>(IAsyncObserve
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -1913,7 +1914,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>) Zip<T1, T2, TResult>(IAsy
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2007,7 +2008,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>) Zip<T
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2103,7 +2104,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>) Zip<T
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2199,7 +2200,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2297,7 +2298,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2395,7 +2396,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2495,7 +2496,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2595,7 +2596,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2697,7 +2698,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2799,7 +2800,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -2903,7 +2904,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3007,7 +3008,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3113,7 +3114,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3219,7 +3220,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3327,7 +3328,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3435,7 +3436,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3545,7 +3546,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3655,7 +3656,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3767,7 +3768,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3879,7 +3880,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -3993,7 +3994,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -4107,7 +4108,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -4223,7 +4224,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -4339,7 +4340,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -4457,7 +4458,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -4575,7 +4576,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
@@ -4695,7 +4696,7 @@ public static (IAsyncObserver<T1>, IAsyncObserver<T2>, IAsyncObserver<T3>, IAsyn
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var values1 = new Queue<T1>();
var values2 = new Queue<T2>();
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.tt b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.tt
index f21866efc..fd34ced99 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.tt
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.Generated.tt
@@ -10,6 +10,7 @@
<#@ output extension=".cs" #>
using System.Collections.Generic;
using System.Reactive.Disposables;
+using System.Reactive.Threading;
using System.Threading;
using System.Threading.Tasks;
@@ -152,7 +153,7 @@ for (var i = 2; i <= 15; i++)
if (observer == null)
throw new ArgumentNullException(nameof(observer));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
<#
for (var j = 1; j <= i; j++)
@@ -258,7 +259,7 @@ for (var j = 1; j <= i; j++)
if (selector == null)
throw new ArgumentNullException(nameof(selector));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
<#
for (var j = 1; j <= i; j++)
diff --git a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.cs b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.cs
index 4deb6427c..f61d83348 100644
--- a/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Linq/Operators/Zip.cs
@@ -5,7 +5,7 @@
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Linq
@@ -50,7 +50,7 @@ public static IAsyncObserver<TSource>[] Zip<TSource>(IAsyncObserver<IList<TSourc
if (count < 0)
throw new ArgumentOutOfRangeException(nameof(count));
- var gate = new AsyncGate();
+ var gate = AsyncGate.Create();
var queues = new Queue<TSource>[count];
var isDone = new bool[count];
diff --git a/AsyncRx.NET/System.Reactive.Async/Subjects/BehaviorAsyncSubject.cs b/AsyncRx.NET/System.Reactive.Async/Subjects/BehaviorAsyncSubject.cs
index 5f12f775c..94c871c03 100644
--- a/AsyncRx.NET/System.Reactive.Async/Subjects/BehaviorAsyncSubject.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Subjects/BehaviorAsyncSubject.cs
@@ -4,14 +4,14 @@
using System.Collections.Generic;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Subjects
{
public abstract class BehaviorAsyncSubject<T> : IAsyncSubject<T>
{
- private readonly AsyncGate _gate = new();
+ private readonly IAsyncGate _gate = AsyncGate.Create();
private readonly List<IAsyncObserver<T>> _observers = new();
private T _value;
private bool _done;
diff --git a/AsyncRx.NET/System.Reactive.Async/Subjects/ConnectableAsyncObservable.cs b/AsyncRx.NET/System.Reactive.Async/Subjects/ConnectableAsyncObservable.cs
index 3723ce014..daa732882 100644
--- a/AsyncRx.NET/System.Reactive.Async/Subjects/ConnectableAsyncObservable.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Subjects/ConnectableAsyncObservable.cs
@@ -3,7 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Reactive.Linq;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Subjects
@@ -12,7 +12,7 @@ internal sealed class ConnectableAsyncObservable<TSource, TResult> : IConnectabl
{
private readonly IAsyncSubject<TSource, TResult> _subject;
private readonly IAsyncObservable<TSource> _source;
- private readonly AsyncGate _gate = new();
+ private readonly IAsyncGate _gate = AsyncGate.Create();
private Connection _connection;
diff --git a/AsyncRx.NET/System.Reactive.Async/Subjects/ReplayAsyncSubject.cs b/AsyncRx.NET/System.Reactive.Async/Subjects/ReplayAsyncSubject.cs
index 5928dc995..49f614ba1 100644
--- a/AsyncRx.NET/System.Reactive.Async/Subjects/ReplayAsyncSubject.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Subjects/ReplayAsyncSubject.cs
@@ -6,7 +6,7 @@
using System.Linq;
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
-using System.Threading;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Reactive.Subjects
@@ -120,7 +120,7 @@ public ReplayAsyncSubject(bool concurrent, int bufferSize, TimeSpan window, IAsy
private abstract class ReplayBase : IAsyncSubject<T>
{
private readonly bool _concurrent;
- private readonly AsyncGate _lock = new();
+ private readonly IAsyncGate _lock = AsyncGate.Create();
private readonly List<IScheduledAsyncObserver<T>> _observers = new(); // TODO: immutable array
private bool _done;
private Exception _error;
diff --git a/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGate.cs b/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGate.cs
index 507aa676f..766594653 100644
--- a/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGate.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGate.cs
@@ -3,17 +3,43 @@
// See the LICENSE file in the project root for more information.
using System.Diagnostics;
+using System.Threading;
using System.Threading.Tasks;
-namespace System.Threading
+namespace System.Reactive.Threading
{
- public sealed class AsyncGate
+ /// <summary>
+ /// Provides an implementation of <see cref="IAsyncGate"/>, enabling mutually exclusive locking
+ /// in async code.
+ /// </summary>
+ public sealed class AsyncGate : IAsyncGate, IAsyncGateReleaser
{
private readonly object _gate = new();
private readonly SemaphoreSlim _semaphore = new(1, 1);
private readonly AsyncLocal<int> _recursionCount = new();
- public ValueTask<Releaser> LockAsync()
+ /// <summary>
+ /// Creates an <see cref="AsyncGate"/>.
+ /// </summary>
+ /// <remarks>
+ /// This is private because we hope that one day, the .NET runtime will provide a built-in
+ /// asynchronous mutual exclusion primitive, and that we might be able to use that instead of
+ /// our own implementation. Although that might be something we could do by modifying this
+ /// class, it might prove useful to be able to provide the old implementation for backwards
+ /// compatibility, so we don't want AsyncRx.NET consumers to depend on a specific concrete type
+ /// as the <see cref="IAsyncGate"/> implementation.
+ /// </remarks>
+ private AsyncGate()
+ {
+ }
+
+ /// <summary>
+ /// Creates a new instance of an <see cref="IAsyncGate"/> implementation.
+ /// </summary>
+ /// <returns></returns>
+ public static IAsyncGate Create() => new AsyncGate();
+
+ ValueTask<IAsyncGateReleaser> IAsyncGate.AcquireAsync()
{
var shouldAcquire = false;
@@ -32,13 +58,18 @@ public ValueTask<Releaser> LockAsync()
if (shouldAcquire)
{
- return new ValueTask<Releaser>(_semaphore.WaitAsync().ContinueWith(_ => new Releaser(this)));
+ Task acquireTask = _semaphore.WaitAsync();
+ if (acquireTask.IsCompleted)
+ {
+ return new ValueTask<IAsyncGateReleaser>(this);
+ }
+ return new ValueTask<IAsyncGateReleaser>(acquireTask.ContinueWith<IAsyncGateReleaser>(_ => this));
}
- return new ValueTask<Releaser>(new Releaser(this));
+ return new ValueTask<IAsyncGateReleaser>(this);
}
- private void Release()
+ void IAsyncGateReleaser.Release()
{
lock (_gate)
{
@@ -50,14 +81,5 @@ private void Release()
}
}
}
-
- public readonly struct Releaser : IDisposable
- {
- private readonly AsyncGate _parent;
-
- public Releaser(AsyncGate parent) => _parent = parent;
-
- public void Dispose() => _parent.Release();
- }
}
}
diff --git a/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGateExtensions.cs b/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGateExtensions.cs
new file mode 100644
index 000000000..f801251e7
--- /dev/null
+++ b/AsyncRx.NET/System.Reactive.Async/Threading/AsyncGateExtensions.cs
@@ -0,0 +1,43 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT License.
+// See the LICENSE file in the project root for more information.
+
+using System.Threading.Tasks;
+
+namespace System.Reactive.Threading;
+
+/// <summary>
+/// Extension methods for <see cref="IAsyncGate"/>.
+/// </summary>
+public static class AsyncGateExtensions
+{
+ /// <summary>
+ /// Acquires an <see cref="IAsyncGate"/> in a way enables the gate to be released with a <see langword="using" />
+ /// statement or declaration.
+ /// </summary>
+ /// <param name="gate">The gate to lock.</param>
+ /// <returns>
+ /// A <see cref="ValueTask{TResult}"/> that produces a <see cref="DisposableGateReleaser"/> that will call
+ /// <see cref="IAsyncGateReleaser.Release"/> when disposed.
+ /// </returns>
+ public static ValueTask<DisposableGateReleaser> LockAsync(this IAsyncGate gate)
+ {
+ // Note, we are avoiding async/await here because we MUST NOT create a new child ExecutionContext
+ // (The AsyncGate.LockAsync method does not use async/await either, and for the same reason.)
+ //
+ // IAsyncGate implementations are allowed to require that their LockAsync method is called from the same
+ // execution context as Release will be called. For example, AsyncGate uses an AsyncLocal<int> to track
+ // the recursion count, and when you update an AsyncLocal<T>'s value, that modified value is visible only
+ // in the current ExecutionContext and its descendants. An async method effectively introduces a new child
+ // context, so any AsyncLocal<T> value changes are lost when an async method returns, but we need the
+ // recursion count to live in our caller's context, which is why we must make sure we don't introduce a
+ // new child context here. That's why this needs to be old-school manual task management, and not async/await.
+ ValueTask<IAsyncGateReleaser> releaserValueTask = gate.AcquireAsync();
+ if (releaserValueTask.IsCompleted)
+ {
+ return new ValueTask<DisposableGateReleaser>(new DisposableGateReleaser(releaserValueTask.Result));
+ }
+
+ return new ValueTask<DisposableGateReleaser>(releaserValueTask.AsTask().ContinueWith(t => new DisposableGateReleaser(t.Result)));
+ }
+}
diff --git a/AsyncRx.NET/System.Reactive.Async/Threading/AsyncQueueLock.cs b/AsyncRx.NET/System.Reactive.Async/Threading/AsyncQueueLock.cs
index 407924a45..5b9d8e6a2 100644
--- a/AsyncRx.NET/System.Reactive.Async/Threading/AsyncQueueLock.cs
+++ b/AsyncRx.NET/System.Reactive.Async/Threading/AsyncQueueLock.cs
@@ -3,6 +3,7 @@
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
+using System.Reactive.Threading;
using System.Threading.Tasks;
namespace System.Threading
@@ -10,7 +11,7 @@ namespace System.Threading
public sealed class AsyncQueueLock : IAsyncDisposable
{
private readonly Queue<Func<ValueTask>> _queue = new();
- private readonly AsyncGate _gate = new();
+ private readonly IAsyncGate _gate = AsyncGate.Create();
private bool _isAcquired;
private bool _hasFaulted;
diff --git a/AsyncRx.NET/System.Reactive.Async/Threading/DisposableGateReleaser.cs b/AsyncRx.NET/System.Reactive.Async/Threading/DisposableGateReleaser.cs
new file mode 100644
index 000000000..5d0bce691
--- /dev/null
+++ b/AsyncRx.NET/System.Reactive.Async/Threading/DisposableGateReleaser.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT License.
+// See the LICENSE file in the project root for more information.
+
+namespace System.Reactive.Threading;
+
+/// <summary>
+/// Enables a <see langword="using" /> statement or declaration to be used to release an
+/// <see cref="IAsyncGate"/>. Typically obtained through <see cref="AsyncGateExtensions.LockAsync(IAsyncGate)"/>
+/// </summary>
+/// <param name="gateReleaser"></param>
+public struct DisposableGateReleaser(IAsyncGateReleaser gateReleaser) : IDisposable
+{
+ public void Dispose() => gateReleaser.Release();
+}
diff --git a/AsyncRx.NET/System.Reactive.Async/Threading/IAsyncGate.cs b/AsyncRx.NET/System.Reactive.Async/Threading/IAsyncGate.cs
new file mode 100644
index 000000000..68892a448
--- /dev/null
+++ b/AsyncRx.NET/System.Reactive.Async/Threading/IAsyncGate.cs
@@ -0,0 +1,63 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT License.
+// See the LICENSE file in the project root for more information.
+
+using System.Reactive.Linq;
+using System.Threading.Tasks;
+
+namespace System.Reactive.Threading
+{
+ /// <summary>
+ /// Synchronization primitive that provides <see cref="System.Threading.Monitor"/>-style
+ /// exclusive access semantics, but with an asynchronous API.
+ /// </summary>
+ /// <remarks>
+ /// <para>
+ /// This enables <see cref="AsyncObservable.Synchronize{TSource}(IAsyncObservable{TSource}, IAsyncGate)"/>
+ /// and <see cref="AsyncObserver.Synchronize{TSource}(IAsyncObserver{TSource}, IAsyncGate)"/>
+ /// to be used to synchronize access to an observer with a custom synchronization primitive.
+ /// </para>
+ /// <para>
+ /// These methods model the equivalents for <see cref="IObservable{T}"/> and <see cref="IObserver{T}"/>
+ /// in <c>System.Reactive</c>. Those offer overloads accepting a 'gate' parameter, and if you pass
+ /// the same object to multiple calls to these methods, they will all synchronize their operation
+ /// through that same gate object. The <c>gate</c> parameter in those methods is of type
+ /// <see cref="System.Object"/>, which works because all .NET objects have an associated monitor.
+ /// (It's created on demand when you first use <c>lock</c> or something equivalent.)
+ /// </para>
+ /// <para>
+ /// That approach is problematic in an async world, because this built-in monitor blocks the
+ /// calling thread when contention occurs. The basic idea of AsyncRx.NET is to avoid such
+ /// blocking. It can't always be avoided, and in cases where we can be certain that lock
+ /// acquisition times will be short, the conventional .NET monitor is still a good choice.
+ /// But since these <c>Synchronize</c> operators allow the caller to pass a gate which the
+ /// application code itself might lock, we have no control over how long the lock might be
+ /// held. So it would be inappropriate to use a monitor here.
+ /// </para>
+ /// <para>
+ /// Since the .NET runtime does not currently offer any asynchronous direct equivalent to
+ /// monitor, this interface defines the required API. The <see cref="AsyncGate"/> class
+ /// provide a basic implementation. If applications require additional features, (e.g.
+ /// if they want cancellation support when the application tries to acquire the lock)
+ /// they can provide their own implementation.
+ /// </para>
+ /// </remarks>
+ public interface IAsyncGate
+ {
+ /// <summary>
+ /// Acquires the lock.
+ /// </summary>
+ /// <returns>
+ /// A task that completes when the lock has been acquired, returning an <see cref="IAsyncGateReleaser"/>
+ /// with which to release the lock.
+ /// </returns>
+ /// <remarks>
+ /// <para>
+ /// Applications release the lock by calling <see cref="IAsyncGateReleaser.Release"/> on the object
+ /// returned by this method. Typically this is done with a <c>using</c> statement or declaration by
+ /// using the <see cref="AsyncGateExtensions.LockAsync(IAsyncGate)"/> extension method.
+ /// </para>
+ /// </remarks>
+ public ValueTask<IAsyncGateReleaser> AcquireAsync();
+ }
+}
diff --git a/AsyncRx.NET/System.Reactive.Async/Threading/IAsyncGateReleaser.cs b/AsyncRx.NET/System.Reactive.Async/Threading/IAsyncGateReleaser.cs
new file mode 100644
index 000000000..4b1d8df33
--- /dev/null
+++ b/AsyncRx.NET/System.Reactive.Async/Threading/IAsyncGateReleaser.cs
@@ -0,0 +1,24 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT License.
+// See the LICENSE file in the project root for more information.
+
+namespace System.Reactive.Threading;
+
+/// <summary>
+/// Releases a lock acquired from <see cref="IAsyncGate.AcquireAsync"/>.
+/// </summary>
+/// <remarks>
+/// <para>
+/// Note that implementations of <see cref="IAsyncGate"/> may return a reference to themselves
+/// as the <see cref="IAsyncGateReleaser"/>, so callers should not depend on each lock
+/// acquisition returning a distinct <see cref="IAsyncGateReleaser"/>. (This enables gate
+/// implementations to avoid unnecessary allocation during lock acquisition.)
+/// </para>
+/// </remarks>
+public interface IAsyncGateReleaser
+{
+ /// <summary>
+ /// Releases a lock acquired from <see cref="IAsyncGate.AcquireAsync"/>.
+ /// </summary>
+ void Release();
+}