SemaphoreSlim::WaitAsync Method (Int32, CancellationToken)
Asynchronously waits to enter the SemaphoreSlim, using a 32-bit signed integer to measure the time interval, while observing a CancellationToken.
Assembly: mscorlib (in mscorlib.dll)
public: Task<bool>^ WaitAsync( int millisecondsTimeout, CancellationToken cancellationToken )
Parameters
- millisecondsTimeout
-
Type:
System::Int32
The number of milliseconds to wait, or Infinite (-1) to wait indefinitely.
- cancellationToken
-
Type:
System.Threading::CancellationToken
The CancellationToken to observe.
Return Value
Type: System.Threading.Tasks::Task<Boolean>^A task that will complete with a result of true if the current thread successfully entered the SemaphoreSlim, otherwise with a result of false.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | millisecondsTimeout is a negative number other than -1, which represents an infinite time-out. |
| ObjectDisposedException | The current instance has already been disposed. |
| OperationCanceledException | cancellationToken was canceled. |
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1