CHG: tasks can have priority

(cherry picked from commit 3ec0a40dc9b43b4b11082a3e0d618c266a809522)

SmartThreadPool/Interfaces.cs

@@ -267,6 +267,18 @@ namespace Amib.Threading
         /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
         IWorkItemResult QueueWorkItem(Action action);
 
+        /// <summary>
+        /// Queue a work item.
+        /// </summary>
+        /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
+        IWorkItemResult QueueWorkItem (Action action, WorkItemPriority priority);
+
+        /// <summary>
+        /// Queue a work item.
+        /// </summary>
+        /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
+        IWorkItemResult QueueWorkItem<T> (Action<T> action, T arg, WorkItemPriority priority);
+
         /// <summary>
         /// Queue a work item.
         /// </summary>
@@ -279,18 +291,36 @@ namespace Amib.Threading
         /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
         IWorkItemResult QueueWorkItem<T1, T2>(Action<T1, T2> action, T1 arg1, T2 arg2);
 
+        /// <summary>
+        /// Queue a work item.
+        /// </summary>
+        /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
+        IWorkItemResult QueueWorkItem<T1, T2> (Action<T1, T2> action, T1 arg1, T2 arg2, WorkItemPriority priority);
+
         /// <summary>
         /// Queue a work item.
         /// </summary>
         /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
         IWorkItemResult QueueWorkItem<T1, T2, T3>(Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3);
 
+        /// <summary>
+        /// Queue a work item.
+        /// </summary>
+        /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
+        IWorkItemResult QueueWorkItem<T1, T2, T3> (Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3, WorkItemPriority priority);
+
         /// <summary>
         /// Queue a work item.
         /// </summary>
         /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
         IWorkItemResult QueueWorkItem<T1, T2, T3, T4>(Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4);
 
+        /// <summary>
+        /// Queue a work item.
+        /// </summary>
+        /// <returns>Returns a IWorkItemResult object, but its GetResult() will always return null</returns>
+        IWorkItemResult QueueWorkItem<T1, T2, T3, T4> (Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4, WorkItemPriority priority);
+
         #endregion
 
         #region QueueWorkItem(Func<...>)

SmartThreadPool/WorkItemsGroupBase.cs

@@ -277,6 +277,11 @@ namespace Amib.Threading.Internal
         #region QueueWorkItem(Action<...>)
 
         public IWorkItemResult QueueWorkItem(Action action)
+        {
+            return QueueWorkItem (action, SmartThreadPool.DefaultWorkItemPriority);
+        }
+
+        public IWorkItemResult QueueWorkItem (Action action, WorkItemPriority priority)
         {
             PreQueueWorkItem ();
             WorkItem workItem = WorkItemFactory.CreateWorkItem (
@@ -286,12 +291,17 @@ namespace Amib.Threading.Internal
                 {
                     action.Invoke ();
                     return null;
-                });
+                }, priority);
             Enqueue (workItem);
             return workItem.GetWorkItemResult ();
         }
 
         public IWorkItemResult QueueWorkItem<T>(Action<T> action, T arg)
+        {
+            return QueueWorkItem<T> (action, arg, SmartThreadPool.DefaultWorkItemPriority);
+        }
+
+        public IWorkItemResult QueueWorkItem<T> (Action<T> action, T arg, WorkItemPriority priority)
         {
             PreQueueWorkItem ();
             WorkItem workItem = WorkItemFactory.CreateWorkItem (
@@ -302,12 +312,17 @@ namespace Amib.Threading.Internal
                     action.Invoke (arg);
                     return null;
                 },
-                WIGStartInfo.FillStateWithArgs ? new object[] { arg } : null);
+                WIGStartInfo.FillStateWithArgs ? new object[] { arg } : null, priority);
             Enqueue (workItem);
             return workItem.GetWorkItemResult ();
         }
 
         public IWorkItemResult QueueWorkItem<T1, T2>(Action<T1, T2> action, T1 arg1, T2 arg2)
+        {
+            return QueueWorkItem<T1, T2> (action, arg1, arg2, SmartThreadPool.DefaultWorkItemPriority);
+        }
+
+        public IWorkItemResult QueueWorkItem<T1, T2> (Action<T1, T2> action, T1 arg1, T2 arg2, WorkItemPriority priority)
         {
             PreQueueWorkItem ();
             WorkItem workItem = WorkItemFactory.CreateWorkItem (
@@ -318,12 +333,18 @@ namespace Amib.Threading.Internal
                     action.Invoke (arg1, arg2);
                     return null;
                 },
-                WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2 } : null);
+                WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2 } : null, priority);
             Enqueue (workItem);
             return workItem.GetWorkItemResult ();
         }
 
         public IWorkItemResult QueueWorkItem<T1, T2, T3>(Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3)
+        {
+            return QueueWorkItem<T1, T2, T3> (action, arg1, arg2, arg3, SmartThreadPool.DefaultWorkItemPriority);
+            ;
+        }
+
+        public IWorkItemResult QueueWorkItem<T1, T2, T3> (Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3, WorkItemPriority priority)
         {
             PreQueueWorkItem ();
             WorkItem workItem = WorkItemFactory.CreateWorkItem (
@@ -334,13 +355,20 @@ namespace Amib.Threading.Internal
                     action.Invoke (arg1, arg2, arg3);
                     return null;
                 },
-                WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3 } : null);
+                WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3 } : null, priority);
             Enqueue (workItem);
             return workItem.GetWorkItemResult ();
         }
 
         public IWorkItemResult QueueWorkItem<T1, T2, T3, T4>(
             Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
+        {
+            return QueueWorkItem<T1, T2, T3, T4> (action, arg1, arg2, arg3, arg4,
+                                                  SmartThreadPool.DefaultWorkItemPriority);
+        }
+
+        public IWorkItemResult QueueWorkItem<T1, T2, T3, T4> (
+            Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4, WorkItemPriority priority)
         {
             PreQueueWorkItem ();
             WorkItem workItem = WorkItemFactory.CreateWorkItem (
@@ -351,7 +379,7 @@ namespace Amib.Threading.Internal
                                action.Invoke (arg1, arg2, arg3, arg4);
                                return null;
                            },
-                           WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3, arg4 } : null);
+                           WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3, arg4 } : null, priority);
             Enqueue (workItem);
             return workItem.GetWorkItemResult ();
         }