FGFS-4.1/OpenSceneGraph
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Improved the robustness of thread start and cancellation

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This commit is contained in:
Robert Osfield
2007-01-03 16:06:12 +00:00
parent 740363133f
commit 4f87afdbf5
7 changed files with 87 additions and 25 deletions
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12
src/osg/GraphicsThread.cpp
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@@ -86,9 +86,11 @@ GraphicsThread::GraphicsThread():
GraphicsThread::~GraphicsThread()
{
osg::notify(osg::INFO)<<"Destructing graphics thread"<<std::endl;
//osg::notify(osg::NOTICE)<<"Destructing graphics thread "<<this<<std::endl;
cancel();
//osg::notify(osg::NOTICE)<<"Done Destructing graphics thread "<<this<<std::endl;
}
void GraphicsThread::setDone(bool done)
@@ -117,7 +119,7 @@ void GraphicsThread::setDone(bool done)
int GraphicsThread::cancel()
{
osg::notify(osg::INFO)<<"Cancelling graphics thread "<<this<<std::endl;
osg::notify(osg::INFO)<<"Cancelling graphics thread "<<this<<" isRunning()="<<isRunning()<<std::endl;
int result = 0;
if( isRunning() )
@@ -162,6 +164,8 @@ int GraphicsThread::cancel()
}
}
osg::notify(osg::INFO)<<" GraphicsThread::cancel() thread cancelled "<<this<<" isRunning()="<<isRunning()<<std::endl;
return result;
}
@@ -279,7 +283,7 @@ void GraphicsThread::run()
// create a local object to clean up once the thread is cancelled.
ThreadExitTidyUp threadExitTypeUp(_graphicsContext, contextRealizedInThisThread);
osg::notify(osg::INFO)<<"Doing run"<<std::endl;
osg::notify(osg::INFO)<<"Doing run "<<this<<" isRunning()="<<isRunning()<<std::endl;
bool firstTime = true;
@@ -366,7 +370,7 @@ void GraphicsThread::run()
} while (!testCancel() && !_done);
osg::notify(osg::INFO)<<"exit loop "<<this<<std::endl;
osg::notify(osg::INFO)<<"exit loop "<<this<<" isRunning()="<<isRunning()<<std::endl;
}