//
-// System.Threading.ThreadPool
+// System.Threading.ThreadPool.cs
//
// Author:
// Patrik Torstensson
// Maurer Dietmar (dietmar@ximian.com)
//
// (C) Ximian, Inc. http://www.ximian.com
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
-using System;
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System.Collections;
+using System.Globalization;
using System.Runtime.CompilerServices;
+using System.Runtime.Remoting.Messaging;
+using System.Runtime.InteropServices;
+using System.Security.Permissions;
namespace System.Threading {
- public sealed class ThreadPool {
-
- private ThreadPool ()
+ public static class ThreadPool {
+ [Obsolete("This method is obsolete, use BindHandle(SafeHandle) instead")]
+ public static bool BindHandle (IntPtr osHandle)
{
- /* nothing to do */
+ return true;
}
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- static extern bool BindHandleInternal (IntPtr osHandle);
-
- public static bool BindHandle (IntPtr osHandle)
+ public static bool BindHandle (SafeHandle osHandle)
{
- return BindHandleInternal (osHandle);
+ if (osHandle == null)
+ throw new ArgumentNullException ("osHandle");
+
+ return true;
}
-
+
+#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);
- public static bool QueueUserWorkItem (WaitCallback callback)
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ public static extern void GetMinThreads (out int workerThreads, out int completionPortThreads);
+
+ [MonoTODO("The min number of completion port threads is not evaluated.")]
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ [SecurityPermission (SecurityAction.Demand, ControlThread=true)]
+ public static extern bool SetMinThreads (int workerThreads, int completionPortThreads);
+
+ [MethodImplAttribute(MethodImplOptions.InternalCall)]
+ [SecurityPermission (SecurityAction.Demand, ControlThread=true)]
+ public static extern bool SetMaxThreads (int workerThreads, int completionPortThreads);
+
+ public static bool QueueUserWorkItem (WaitCallback callBack)
{
- IAsyncResult ar = callback.BeginInvoke (null, null, null);
- if (ar == null)
- return false;
- return true;
+ return QueueUserWorkItem (callBack, null);
}
- public static bool QueueUserWorkItem (WaitCallback callback, object state)
+ public static bool QueueUserWorkItem (WaitCallback callBack, object state)
{
- IAsyncResult ar = callback.BeginInvoke (state, null, null);
- if (ar == null)
- return false;
+ if (callBack == null)
+ throw new ArgumentNullException ("callBack");
+
+#if MOONLIGHT
+ callBack = MoonlightHandler (callBack);
+#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);
}
- public static bool UnsafeQueueUserWorkItem (WaitCallback callback, object state)
+#if !NET_2_1
+
+ [CLSCompliant (false)]
+ unsafe public static bool UnsafeQueueNativeOverlapped (NativeOverlapped *overlapped)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
+ public static bool UnsafeQueueUserWorkItem (WaitCallback callBack, object state)
{
- IAsyncResult ar = callback.BeginInvoke (state, null, null);
- if (ar == null)
- return false;
+ // no stack propagation here (that's why it's unsafe and requires extra security permissions)
+ 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
+ IAsyncResult ar = callBack.BeginInvoke (state, null, null);
+ if (ar == null)
+ return false;
+ } finally {
+ if (ExecutionContext.IsFlowSuppressed ())
+ ExecutionContext.RestoreFlow ();
+ }
return true;
}
+
+ [MonoTODO("Not implemented")]
+ [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
+ public static RegisteredWaitHandle UnsafeRegisterWaitForSingleObject (WaitHandle waitObject,
+ WaitOrTimerCallback callBack, object state, int millisecondsTimeOutInterval,
+ bool executeOnlyOnce)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO("Not implemented")]
+ [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
+ public static RegisteredWaitHandle UnsafeRegisterWaitForSingleObject (WaitHandle waitObject,
+ WaitOrTimerCallback callBack, object state, long millisecondsTimeOutInterval,
+ bool executeOnlyOnce)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO("Not implemented")]
+ [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
+ public static RegisteredWaitHandle UnsafeRegisterWaitForSingleObject (WaitHandle waitObject,
+ WaitOrTimerCallback callBack, object state, TimeSpan timeout,
+ bool executeOnlyOnce)
+ {
+ throw new NotImplementedException ();
+ }
+
+ [MonoTODO("Not implemented")]
+ [CLSCompliant (false)]
+ [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
+ public static RegisteredWaitHandle UnsafeRegisterWaitForSingleObject (WaitHandle waitObject,
+ WaitOrTimerCallback callBack, object state, uint millisecondsTimeOutInterval,
+ bool executeOnlyOnce)
+ {
+ throw new NotImplementedException ();
+ }
+
+#endif
+#if MOONLIGHT
+ static WaitCallback MoonlightHandler (WaitCallback callback)
+ {
+ return delegate (object o) {
+ try {
+ callback (o);
+ }
+ catch (Exception ex) {
+ Thread.MoonlightUnhandledException (ex);
+ }
+ };
+ }
+#endif
}
}
projects / mono.git / blobdiff