farcasclaudiu/SmartThreadPool
1
0
Fork 0
mirror of https://github.com/farcasclaudiu/SmartThreadPool.git synced 2026-06-22 09:01:19 +03:00
Code Issues Packages Projects Releases Wiki Activity

Updated article

Browse Source
This commit is contained in:
Ami Bar
2012-08-28 01:16:06 +03:00
parent 9c9bfcd77c
commit c99b24977c
1 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Docs/SmartThreadPool.html
+8 -8
View File
@@ -220,7 +220,7 @@ smartThreadPool.QueueWorkItem(System.IO.File.Copy,
<p>I decided to add a new thread every time a new work item is queued and all the threads in the pool are busy. The formula for adding a new thread can be summarized to:</p> <p>I decided to add a new thread every time a new work item is queued and all the threads in the pool are busy. The formula for adding a new thread can be summarized to:</p>
<pre lang="text">(InUseThreads + WaitingCallbacks) &gt; WorkerThreads</pre> <pre lang="text">_currentWorkItemsCount &gt; WorkerThreads</pre>
<p>where <code>WorkerThreads</code> is the current number of threads in the pool, <code>InUseThreads</code> is the number of threads in the pool that are currently working on a work item, and <code>WaitingCallbacks</code> is the number of waiting work items. (Thanks to <strong>jrshute</strong> for the comment.)</p> <p>where <code>WorkerThreads</code> is the current number of threads in the pool, <code>InUseThreads</code> is the number of threads in the pool that are currently working on a work item, and <code>WaitingCallbacks</code> is the number of waiting work items. (Thanks to <strong>jrshute</strong> for the comment.)</p>
@@ -236,7 +236,7 @@ smartThreadPool.QueueWorkItem(System.IO.File.Copy,
// If all the threads are busy then try // If all the threads are busy then try
// to create a new one // to create a new one
if ((InUseThreads + WaitingCallbacks) &gt; _workerThreads.Count) if (_currentWorkItemsCount &gt; _workerThreads.Count)
{ {
StartThreads(1); StartThreads(1);
} }
@@ -526,9 +526,9 @@ public delegate TResult Func&lt;T1, T2, T3, T4&gt;(T1 arg1,
/// Returns the user-defined object /// Returns the user-defined object
/// that was provided in the QueueWorkItem. /// that was provided in the QueueWorkItem.
/// If the work item callback is Action&lt;...&gt; /// If the work item callback is Action<span class="code-SummaryComment">&lt;...&gt;
/// or Func&lt;...&gt; the State value </span> /// or Func<span class="code-SummaryComment">&lt;...&gt; the State value
/// depends on the WIGStartInfo.FillStateWithArgs. </span> /// depends on the WIGStartInfo.FillStateWithArgs.
object State { get; } object State { get; }
/// Cancel the work item execution. /// Cancel the work item execution.
@@ -539,8 +539,8 @@ public delegate TResult Func&lt;T1, T2, T3, T4&gt;(T1 arg1,
/// the result of the work item is cancelled. /// the result of the work item is cancelled.
/// (See the work item canceling section for more information) /// (See the work item canceling section for more information)
/// Param: abortExecution - When true send an AbortException /// Param: abortExecution - When true send an AbortException
/// to the executing thread.&lt;/param&gt; /// to the executing thread.<span class="code-SummaryComment">&lt;/param&gt;
/// Returns true if the work item </span> /// Returns true if the work item
/// was not completed, otherwise false. /// was not completed, otherwise false.
bool Cancel(bool abortExecution); bool Cancel(bool abortExecution);
@@ -949,7 +949,7 @@ void Print(Printer printer, Document document) {...}
<li><a name="Feature16"><strong>Threads have priority</strong></a>.</li> <li><a name="Feature16"><strong>Threads have priority</strong></a>.</li>
<p><code>STPStartInfo</code> contains a property that defines the priority in which the threads are started in the <code>SmartThreadPool</code>. Use it if you know what you are doing. Playing with threads priority may end up with dead locks, live lock, and days locked :-(.</p> <p><code>STPStartInfo</code> contains a property that defines the priority in which the threads are started in the <code>SmartThreadPool</code>. Use it if you know what you are doing. Playing with threads priority may end up with dead locks, live lock, and days locked <img align="top" alt="Frown | :-(" src="http://www.codeproject.com/script/Forums/Images/smiley_frown.gif" /> .</p>
<li><a name="Feature17"><strong><code>MaxThreads</code>/<code>MinThreads</code>/<code>Concurrency</code> can be changed at run time</strong></a>.</li> <li><a name="Feature17"><strong><code>MaxThreads</code>/<code>MinThreads</code>/<code>Concurrency</code> can be changed at run time</strong></a>.</li>