ReaderWriterLockSlim.IsReadLockHeld 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 read mode.

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

public bool IsReadLockHeld { get; }

member this.IsReadLockHeld : bool

Public ReadOnly Property IsReadLockHeld As Boolean

Property Value

Boolean

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

Examples

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

using (ReaderWriterLockSlim rwLock = new ReaderWriterLockSlim()) {

Using rwLock As New ReaderWriterLockSlim()

Debug.Assert(!rwLock.IsReadLockHeld,
    String.Format("Thread {0} already held the read lock when MyFunction began executing.",
                  Thread.CurrentThread.ManagedThreadId));

Debug.Assert(Not rwLock.IsReadLockHeld, _
    String.Format("Thread {0} already held the read lock when MyFunction began executing.", _
                  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.