Updated OSG to use OpenThreads. Moved any references to OpenThread to

OpenThreads and removed any dependency on Producer threads, Mutexes, etc.

src/osgProducer/DatabasePager.cpp

@@ -91,7 +91,8 @@ void DatabasePager::requestNodeFile(const std::string& fileName,osg::Group* grou
         _fileRequestListMutex.unlock();
     }
     
-    if (!threadIsRunning())
+    //if (!threadIsRunning())
+    if (!isRunning())
     {
         std::cout<<"DatabasePager::startThread()"<<std::endl;
         startThread();

src/osgProducer/GNUmakefile

@@ -20,11 +20,4 @@ LIB = $(LIB_PREFIX)$(TARGET_BASENAME).$(LIB_EXT)
 INC += $(PRODUCER_INCLUDE_DIR) -I/usr/X11R6/include
 LDFLAGS  += $(PRODUCER_LIB_DIR)
     
-ifeq ($(USE_OPEN_THREAD),1)
-    DEF         += -D_USE_OPEN_THREAD
-    INC         += $(INC_OPEN_THREAD)
-    LDFLAGS     += $(LIB_OPEN_THREAD)
-    LIBS        +=  -lOpenThread
-endif
-
 include $(TOPDIR)/Make/makerules 

src/osgProducer/OsgSceneHandler.cpp

@@ -11,8 +11,9 @@
  * OpenSceneGraph Public License for more details.
 */
 
+#include <OpenThreads/Mutex>
+
 #include <osgProducer/OsgSceneHandler>
-#include <Producer/Mutex>
 
 using namespace osgUtil;
 using namespace osgProducer;
@@ -24,7 +25,7 @@ OsgSceneHandler::OsgSceneHandler( osg::DisplaySettings *ds) :
 
 void OsgSceneHandler::init()
 {
-    static Producer::Mutex mutex;
+    static OpenThreads::Mutex mutex;
     osg::notify(osg::INFO)<<"entering "<<this<<" init."<<std::endl;
     mutex.lock();
     osg::notify(osg::INFO)<<"   running "<<this<<" init."<<std::endl;