namespace System.Threading {
-#if NET_2_0
public static class ThreadPool {
-#else
- public sealed class ThreadPool {
-
- private ThreadPool ()
- {
- /* nothing to do */
- }
-#endif
-
-#if NET_2_0
[Obsolete("This method is obsolete, use BindHandle(SafeHandle) instead")]
-#endif
public static bool BindHandle (IntPtr osHandle)
{
return true;
}
-#if NET_2_0
public static bool BindHandle (SafeHandle osHandle)
{
if (osHandle == null)
return true;
}
-#endif
-
+
+#if !NET_2_1
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern void GetAvailableThreads (out int workerThreads, out int completionPortThreads);
-
+#endif
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern void GetMaxThreads (out int workerThreads, out int completionPortThreads);
[SecurityPermission (SecurityAction.Demand, ControlThread=true)]
public static extern bool SetMinThreads (int workerThreads, int completionPortThreads);
-#if NET_2_0
- [MonoTODO("The max number of threads cannot be decremented.")]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[SecurityPermission (SecurityAction.Demand, ControlThread=true)]
public static extern bool SetMaxThreads (int workerThreads, int completionPortThreads);
-#endif
public static bool QueueUserWorkItem (WaitCallback callBack)
{
public static bool QueueUserWorkItem (WaitCallback callBack, object state)
{
+ if (callBack == null)
+ throw new ArgumentNullException ("callBack");
+
+#if MOONLIGHT
callBack = MoonlightHandler (callBack);
- IAsyncResult ar = callBack.BeginInvoke (state, null, null);
- if (ar == null)
- return false;
+#endif
+ if (callBack.IsTransparentProxy ()) {
+ IAsyncResult ar = callBack.BeginInvoke (state, null, null);
+ if (ar == null)
+ return false;
+ } else {
+ if (!callBack.HasSingleTarget)
+ throw new Exception ("The delegate must have only one target");
+
+ AsyncResult ares = new AsyncResult (callBack, state, true);
+ pool_queue (ares);
+ }
return true;
}
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ static extern void pool_queue (AsyncResult ares);
+
public static RegisteredWaitHandle RegisterWaitForSingleObject (WaitHandle waitObject,
WaitOrTimerCallback callBack,
object state,
(long) millisecondsTimeOutInterval, executeOnlyOnce);
}
-#if NET_2_0
+#if !NET_2_1
+
[CLSCompliant (false)]
unsafe public static bool UnsafeQueueNativeOverlapped (NativeOverlapped *overlapped)
{
throw new NotImplementedException ();
}
-#endif
[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
public static bool UnsafeQueueUserWorkItem (WaitCallback callBack, object state)
{
// no stack propagation here (that's why it's unsafe and requires extra security permissions)
- IAsyncResult ar = null;
+ if (!callBack.IsTransparentProxy ()) {
+ if (!callBack.HasSingleTarget)
+ throw new Exception ("The delegate must have only one target");
+
+ AsyncResult ares = new AsyncResult (callBack, state, false);
+ pool_queue (ares);
+ return true;
+ }
try {
if (!ExecutionContext.IsFlowSuppressed ())
ExecutionContext.SuppressFlow (); // on current thread only
-
- ar = callBack.BeginInvoke (state, null, null);
- }
- finally {
+ IAsyncResult ar = callBack.BeginInvoke (state, null, null);
+ if (ar == null)
+ return false;
+ } finally {
if (ExecutionContext.IsFlowSuppressed ())
ExecutionContext.RestoreFlow ();
}
- return (ar != null);
+ return true;
}
[MonoTODO("Not implemented")]
throw new NotImplementedException ();
}
+#endif
+
+#if MOONLIGHT
static WaitCallback MoonlightHandler (WaitCallback callback)
{
-#if NET_2_1 && !MONOTOUCH
return delegate (object o) {
try {
callback (o);
Thread.MoonlightUnhandledException (ex);
}
};
-#else
- return callback;
-#endif
}
+#endif
}
}