private async Task CallAsync(AsyncSemaphore semaphore, int i)
{
try
{
await this.doAsync();
}
finally
{
semaphore.Release();
}
}
public async Task RunAsync(int totalCalls)
{
AsyncSemaphore semaphore = new AsyncSemaphore(this.maxPendingCalls);
Queue<Task> pending = new Queue<Task>();
List<Exception> exceptions = new List<Exception>();
for (int i = 0; i < totalCalls; ++i)
{
await semaphore.WaitAsync();
pending.Enqueue(this.CallAsync(semaphore, i));
HandleCompletedCalls(pending, exceptions);
if (exceptions.Count > 0)
{
throw new AggregateException(exceptions).Flatten();
}
}
await Task.WhenAll(pending);
}
