Moved LogContext of DiskWriteThreadPool::WordkingThread to run to a class attribute

Thus, threads' begins and ends are logged with the threadID

castor/tape/tapeserver/daemon/DiskWriteThreadPool.cpp

@@ -102,7 +102,7 @@ namespace daemon {
   }
   void DiskWriteThreadPool::DiskWriteWorkerThread::run() {
     std::auto_ptr<DiskWriteTaskInterface>  task;
-    castor::log::LogContext lc = _this.m_lc;
+    
     while(1) {
       task.reset(_this. m_tasks.pop());
       if (NULL!=task.get()) {
@@ -111,7 +111,7 @@ namespace daemon {
         }
       } //end of task!=NULL
       else {
-        log::LogContext::ScopedParam(lc, log::Param("threadID", threadID));
+        log::LogContext::ScopedParam param(lc, log::Param("threadID", threadID));
         lc.log(LOG_INFO,"Disk write thread finishing");
         break;
       }

castor/tape/tapeserver/daemon/DiskWriteThreadPool.hpp

@@ -68,8 +68,11 @@ private:
   public:
     DiskWriteWorkerThread(DiskWriteThreadPool & manager):
     threadID(m_nbActiveThread++),_this(manager)
-    {}
-    
+    {
+      log::LogContext::ScopedParam param(lc, log::Param("threadID", threadID));
+      lc.log(LOG_INFO,"DiskWrite Thread created");
+    }
+      
     void startThreads() { start(); }
     void waitThreads() { wait(); }
   private:
@@ -78,7 +81,7 @@ private:
     static tape::threading::AtomicCounter<int> failledWritting;
     const int threadID;
     DiskWriteThreadPool & _this;
-    
+    castor::log::LogContext lc;
     virtual void run();
   };