ReaderWriterLockSlim.IsWriteLockHeld Property

Definition

Namespace:

System.Threading

Assembly:

System.Threading.dll

Source:

ReaderWriterLockSlim.cs

Gets a value that indicates whether the current thread has entered the lock in write mode.

public:
 property bool IsWriteLockHeld { bool get(); };

public bool IsWriteLockHeld { get; }

member this.IsWriteLockHeld : bool

Public ReadOnly Property IsWriteLockHeld As Boolean

Property Value

Boolean

true if the current thread has entered write mode; otherwise, false.

Examples

The following example shows how to use the IsWriteLockHeld property to generate an assert if the current thread has entered write mode unexpectedly.

using (ReaderWriterLockSlim rwLock = new ReaderWriterLockSlim()) {

Using rwLock As New ReaderWriterLockSlim()

Debug.Assert(!rwLock.IsWriteLockHeld, 
    String.Format("Thread {0} is still holding the write lock after MyFunction has finished.", 
                  Thread.CurrentThread.ManagedThreadId));

Debug.Assert(Not rwLock.IsWriteLockHeld, _
    String.Format("Thread {0} is still holding the write lock after MyFunction has finished.", _
                  Thread.CurrentThread.ManagedThreadId))

Remarks

This property is intended for use in asserts or for other debugging purposes. Do not use it to control the flow of program execution.