AsyncReaderWriterResourceLock<TMoniker, TResource>.UpgradeableReadLockAsync Method (AsyncReaderWriterResourceLock<TMoniker, TResource>.LockFlags, CancellationToken)

Microsoft internal only. Obtains a read lock, asynchronously awaiting for the lock if it is not immediately available.

Namespace:  Microsoft.VisualStudio.Threading
Assembly:  Microsoft.VisualStudio.Threading (in Microsoft.VisualStudio.Threading.dll)

Syntax

'Declaration
Public Function UpgradeableReadLockAsync ( _
    options As AsyncReaderWriterResourceLock(Of T).LockFlags, _
    cancellationToken As CancellationToken _
) As AsyncReaderWriterResourceLock(Of T).ResourceAwaitable

public AsyncReaderWriterResourceLock<T>.ResourceAwaitable UpgradeableReadLockAsync(
    AsyncReaderWriterResourceLock<T>.LockFlags options,
    CancellationToken cancellationToken
)

public:
AsyncReaderWriterResourceLock<T>::ResourceAwaitable UpgradeableReadLockAsync(
    AsyncReaderWriterResourceLock<T>::LockFlags options, 
    CancellationToken cancellationToken
)

member UpgradeableReadLockAsync : 
        options:AsyncReaderWriterResourceLock<T>.LockFlags * 
        cancellationToken:CancellationToken -> AsyncReaderWriterResourceLock<T>.ResourceAwaitable

public function UpgradeableReadLockAsync(
    options : AsyncReaderWriterResourceLock<TMoniker, TResource>.LockFlags, 
    cancellationToken : CancellationToken
) : AsyncReaderWriterResourceLock<TMoniker, TResource>.ResourceAwaitable

Parameters

• options
  Type: Microsoft.VisualStudio.Threading.AsyncReaderWriterResourceLock<TMoniker, TResource>.LockFlags

  Modifications to normal lock behavior.

• cancellationToken
  Type: System.Threading.CancellationToken

  A token whose cancellation indicates lost interest in obtaining the lock. A canceled token does not release a lock that has already been issued. But if the lock isn't immediately available, a canceled token will cause the code that is waiting for the lock to resume with an OperationCanceledException.

Return Value

Type: Microsoft.VisualStudio.Threading.AsyncReaderWriterResourceLock<TMoniker, TResource>.ResourceAwaitable
An AsyncReaderWriterResourceLock<TMoniker, TResource>.ResourceAwaitable whose result is the lock releaser.

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

AsyncReaderWriterResourceLock<TMoniker, TResource> Class

UpgradeableReadLockAsync Overload

Microsoft.VisualStudio.Threading Namespace