Imported Upstream version 0.3.4
[anytun.git] / src / threadUtils.hpp
index 85500c1..6285b58 100644 (file)
  *  tunneling and relaying of packets of any protocol.
  *
  *
- *  Copyright (C) 2007-2008 Othmar Gsenger, Erwin Nindl, 
+ *  Copyright (C) 2007-2009 Othmar Gsenger, Erwin Nindl,
  *                          Christian Pointner <satp@wirdorange.org>
  *
  *  This file is part of Anytun.
  *
  *  Anytun is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 3 as
- *  published by the Free Software Foundation.
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  any later version.
  *
  *  Anytun is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  You should have received a copy of the GNU General Public License
  *  along with anytun.  If not, see <http://www.gnu.org/licenses/>.
  */
+#ifndef ANYTUN_threadUtils_hpp_INCLUDED
+#define ANYTUN_threadUtils_hpp_INCLUDED
+
 #include <boost/thread.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/shared_mutex.hpp>
+#include <boost/thread/condition.hpp>
+
 #include "datatypes.h"
-#ifndef __THREADUTILS__
-#define __THREADUTILS__
+
 typedef boost::mutex::scoped_lock Lock;
 typedef boost::mutex Mutex;
 
@@ -45,20 +50,19 @@ class Semaphore
 {
 public:
   Semaphore(unsigned int initVal=0)
-    :count_(initVal){};
-  void up()
-  {
-     boost::mutex::scoped_lock lock(mutex_);
-     count_++;
-     lock.unlock();
-     cond_.notify_one();
+    :count_(initVal) {};
+  void up() {
+    boost::mutex::scoped_lock lock(mutex_);
+    count_++;
+    lock.unlock();
+    cond_.notify_one();
   }
-  void down()
-  {
-     boost::mutex::scoped_lock lock(mutex_);
-     while (count_ <= 0)
-       cond_.wait(lock);
-     count_--;
+  void down() {
+    boost::mutex::scoped_lock lock(mutex_);
+    while(count_ <= 0) {
+      cond_.wait(lock);
+    }
+    count_--;
   }
 private:
   boost::mutex mutex_;