SpinLock(Boolean) 建構函式
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
初始化結構的新實例 SpinLock ,並可選擇追蹤執行緒 ID,以改善除錯。
public:
SpinLock(bool enableThreadOwnerTracking);
public SpinLock(bool enableThreadOwnerTracking);
new System.Threading.SpinLock : bool -> System.Threading.SpinLock
Public Sub New (enableThreadOwnerTracking As Boolean)
參數
- enableThreadOwnerTracking
- Boolean
是否要擷取並使用執行緒 ID 來除錯。
範例
以下範例展示了 SpinLock 的使用方式。
// C#
public class MyType
{
private SpinLock _spinLock = new SpinLock();
public void DoWork()
{
bool lockTaken = false;
try
{
_spinLock.Enter(ref lockTaken);
// do work here protected by the lock
}
finally
{
if (lockTaken) _spinLock.Exit();
}
}
}
' Visual Basic
Class MyType
Private _spinLock As New SpinLock()
Public Sub DoWork()
Dim lockTaken As Boolean = False
Try
_spinLock.Enter(lockTaken)
' do work here protected by the lock
Finally
If lockTaken Then _spinLock.Exit()
End Try
End Sub
End Class
備註
無參數建構器用於 SpinLock 追蹤緒所有權。