Locate and position the current Audacity source code, and clear a variety of old junk out of the way into junk-branches

src/ondemand/ODTaskThread.cpp

@@ -0,0 +1,88 @@
+/**********************************************************************
+
+  Audacity: A Digital Audio Editor
+
+  ODTaskThread.cpp
+  
+  Created by Michael Chinen (mchinen) on 6/8/08
+  Audacity(R) is copyright (c) 1999-2008 Audacity Team.
+  License: GPL v2.  See License.txt.
+
+******************************************************************//**
+
+\class ODTaskThread
+\brief A thread that executes a part of the task specfied by an ODTask.
+
+*//*******************************************************************/
+
+
+#include "ODTaskThread.h"
+#include "ODTask.h"
+#include "ODManager.h"
+
+
+ODTaskThread::ODTaskThread(ODTask* task)
+#ifndef __WXMAC__
+: wxThread()
+#endif
+{
+   mTask=task;
+#ifdef __WXMAC__
+   mDestroy = false; 
+   mThread = NULL;
+#endif
+   
+}   
+
+#ifdef __WXMAC__
+   
+void ODTaskThread::Entry()
+#else 
+void *ODTaskThread::Entry()
+
+#endif
+{
+   //TODO: Figure out why this has no effect at all.
+   //wxThread::This()->SetPriority( 40);
+   //Do at least 5 percent of the task
+   mTask->DoSome(0.05f);
+   
+   //release the thread count so that the ODManager knows how many active threads are alive.
+   ODManager::Instance()->DecrementCurrentThreads();
+   
+   
+#ifndef __WXMAC__
+   return NULL;
+#endif
+}
+
+#ifdef __WXMAC__
+ODCondition::ODCondition(ODLock *lock)
+{
+   condition = (pthread_cond_t *) malloc (sizeof (pthread_cond_t));
+   pthread_cond_init(condition, NULL);
+   m_lock=lock;
+}
+ODCondition::~ODCondition()
+{
+   pthread_cond_destroy (condition); 
+   free(condition);
+}
+
+void ODCondition::Signal()
+{
+   pthread_cond_signal(condition);
+}
+   
+void ODCondition::Broadcast()
+{
+   pthread_cond_broadcast(condition);
+}
+void ODCondition::Wait()
+{
+   pthread_cond_wait(condition,m_lock->mutex);
+}
+   
+#endif
+
+