WaitHandle

WaitHandle

CF 1.0, ECMA 1.0, marshal by reference, disposable

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System.Threading (mscorlib.dll)

abstract class

This class encapsulates much of the logic for dealing with synchronization handles, which allow much more fine-grained synchronization control than simple thread locking. Once you have references to one or more WaitHandle subclasses, use the static WaitOne( ) or WaitAny( ) methods to obtain a lock on any single handle or all of the handles, respectively. The WaitOne( ) instance method acquires the lock for a specific WaitHandle . If a thread blocks and cannot obtain the necessary locks, it enters the ThreadState.WaitSleepJoin state until the locks can be obtained.

 public abstract class  WaitHandle  : MarshalByRefObject, IDisposable {  // Public Constructors  public  WaitHandle  ( );  // Public Static Fields  public const int  WaitTimeout  ;  // =258   // Protected Static Fields  protected static readonly IntPtr  InvalidHandle  ;  // =-1   // Public Instance Properties  public virtual IntPtr  Handle  {set; get; }  // Public Static Methods  public static bool  WaitAll  (WaitHandle[ ]   waitHandles   );    public static bool  WaitAll  (WaitHandle[ ]   waitHandles   , int   millisecondsTimeout   , bool   exitContext   );    public static bool  WaitAll  (WaitHandle[ ]   waitHandles   , TimeSpan   timeout   , bool   exitContext   );    public static int  WaitAny  (WaitHandle[ ]   waitHandles   );    public static int  WaitAny  (WaitHandle[ ]   waitHandles   , int   millisecondsTimeout   , bool   exitContext   );    public static int  WaitAny  (WaitHandle[ ]   waitHandles   , TimeSpan   timeout   , bool   exitContext   );  // Public Instance Methods  public virtual void  Close  ( );    public virtual bool  WaitOne  ( );    public virtual bool  WaitOne  (int   millisecondsTimeout   , bool   exitContext   );    public virtual bool  WaitOne  (TimeSpan   timeout   , bool   exitContext   );  // Protected Instance Methods  protected virtual void  Dispose  (bool   explicitDisposing   );    protected override void  Finalize  ( );  // overrides object  } 

Hierarchy

System.Object System.MarshalByRefObject WaitHandle(System.IDisposable)

Subclasses

AutoResetEvent , ManualResetEvent , Mutex

Returned By

System.IAsyncResult.AsyncWaitHandle , System.IO.Stream.CreateWaitHandle( )

Passed To

RegisteredWaitHandle.Unregister( ) , ThreadPool.{RegisterWaitForSingleObject( ) , UnsafeRegisterWaitForSingleObject( )} , Timer.Dispose( )