landing patch for bug 326273 "Implement nsIThreadManager" (Mac portions by Mark Mentovai) with reviews from bienvenu, bsmedberg, bzbarsky, josh, roc, and ssieb

git-svn-id: svn://10.0.0.236/trunk@196254 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/threads/nsIThreadPool.idl

@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla code.
+ *
+ * The Initial Developer of the Original Code is Google Inc.
+ * Portions created by the Initial Developer are Copyright (C) 2006
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *  Darin Fisher <darin@meer.net>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsIEventTarget.idl"
+
+/**
+ * An interface to a thread pool.  A thread pool creates a limited number of
+ * anonymous (unnamed) worker threads.  An event dispatched to the thread pool
+ * will be run on the next available worker thread.
+ */
+[scriptable, uuid(394c29f0-225f-487f-86d3-4c259da76cab)]
+interface nsIThreadPool : nsIEventTarget
+{
+  /**
+   * Shutdown the thread pool.  This method may not be executed from any thread
+   * in the thread pool.  Instead, it is meant to be executed from another
+   * thread (usually the thread that created this thread pool).  When this
+   * function returns, the thread pool and all of its threads will be shutdown,
+   * and it will no longer be possible to dispatch tasks to the thread pool.
+   */
+  void shutdown();
+
+  /**
+   * Get/set the maximum number of threads allowed at one time in this pool.
+   */ 
+  attribute unsigned long threadLimit;
+
+  /**
+   * Get/set the maximum number of idle threads kept alive.
+   */
+  attribute unsigned long idleThreadLimit;
+
+  /**
+   * Get/set the amount of time in milliseconds before an idle thread is
+   * destroyed.
+   */
+  attribute unsigned long idleThreadTimeout;
+};