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using System;
using System.Threading;
using System.Threading.Tasks;
namespace com.clusterrr.SemaphoreLock
{
public static class SemaphoreSlimSimple
{
public static SemaphoreLock WaitDisposable(this SemaphoreSlim semaphore)
{
var l = new SemaphoreLock(semaphore);
semaphore.Wait();
//GC.KeepAlive(l);
return l;
}
public static async Task<SemaphoreLock> WaitDisposableAsync(this SemaphoreSlim semaphore, CancellationToken cancellationToken = default)
{
var l = new SemaphoreLock(semaphore);
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
//GC.KeepAlive(l);
return l;
}
}
public class SemaphoreLock : IDisposable
{
readonly SemaphoreSlim lockedSemaphore;
public SemaphoreLock(SemaphoreSlim lockedSemaphore)
{
this.lockedSemaphore = lockedSemaphore;
}
public void Dispose()
{
lockedSemaphore.Release();
}
}
}
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