Added MinPoolThreads to ini [Startup] section to control SmartThreadPool.

2 files changed, 8 insertions, 4 deletions

diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index 8cfc4d4..27100e6 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -1779,10 +1779,12 @@ namespace OpenSim.Framework
             FireAndForget(callback, null);
         }
 
-        public static void InitThreadPool(int maxThreads)
+        public static void InitThreadPool(int minThreads, int maxThreads)
         {
             if (maxThreads < 2)
                 throw new ArgumentOutOfRangeException("maxThreads", "maxThreads must be greater than 2");
+            if (minThreads > maxThreads || minThreads < 2)
+                throw new ArgumentOutOfRangeException("minThreads", "minThreads must be greater than 2 and less than or equal to maxThreads");
             if (m_ThreadPool != null)
                 throw new InvalidOperationException("SmartThreadPool is already initialized");
 
@@ -1790,7 +1792,7 @@ namespace OpenSim.Framework
             startInfo.ThreadPoolName = "Util";
             startInfo.IdleTimeout = 2000;
             startInfo.MaxWorkerThreads = maxThreads;
-            startInfo.MinWorkerThreads = 2;
+            startInfo.MinWorkerThreads = minThreads;
 
             m_ThreadPool = new SmartThreadPool(startInfo);
         }
@@ -1865,7 +1867,7 @@ namespace OpenSim.Framework
                     break;
                 case FireAndForgetMethod.SmartThreadPool:
                     if (m_ThreadPool == null)
-                        InitThreadPool(15); 
+                        InitThreadPool(2, 15); 
                     m_ThreadPool.QueueWorkItem((cb, o) => cb(o), realCallback, obj);
                     break;
                 case FireAndForgetMethod.Thread:
diff --git a/OpenSim/Region/Application/OpenSim.cs b/OpenSim/Region/Application/OpenSim.cs
index b071df8..9dcc8da 100644
--- a/OpenSim/Region/Application/OpenSim.cs
+++ b/OpenSim/Region/Application/OpenSim.cs
@@ -86,6 +86,7 @@ namespace OpenSim
             IConfig startupConfig = Config.Configs["Startup"];
             IConfig networkConfig = Config.Configs["Network"];
 
+            int stpMinThreads = 2;
             int stpMaxThreads = 15;
 
             if (startupConfig != null)
@@ -112,12 +113,13 @@ namespace OpenSim
                 if (!String.IsNullOrEmpty(asyncCallMethodStr) && Utils.EnumTryParse<FireAndForgetMethod>(asyncCallMethodStr, out asyncCallMethod))
                     Util.FireAndForgetMethod = asyncCallMethod;
 
+                stpMinThreads = startupConfig.GetInt("MinPoolThreads", 15);
                 stpMaxThreads = startupConfig.GetInt("MaxPoolThreads", 15);
                 m_consolePrompt = startupConfig.GetString("ConsolePrompt", @"Region (\R) ");
             }
 
             if (Util.FireAndForgetMethod == FireAndForgetMethod.SmartThreadPool)
-                Util.InitThreadPool(stpMaxThreads);
+                Util.InitThreadPool(stpMinThreads, stpMaxThreads);
 
             m_log.Info("[OPENSIM MAIN]: Using async_call_method " + Util.FireAndForgetMethod);
         }