A thread might be shut down with the thread running

[GoogleCodeExporter]

This is also a minor issue. If shutting down a thread, the existing while-
loop might break out after having fetched a task off of the job queue, and 
might therefore not complete the task.

I would recommend restructuring threadmain something like this - so there 
is no way to break out between a job being fetched and executed.

    void ThreadWorker::threadMain(void)
    {
        while ( !mExit )
        {
            SwarmJob *job = 0;

            if ( !mFinished.isFull() )
            {
                job = mJobScheduler->getJob(); // get a 
new job to perform.
            }
            if(!job)
            {
                mSwarmJob = 0;
                mBusy->resetEvent();
                mBusy->waitForSingleObject(10);
                continue;
            }
            mSwarmJob = job;

            if ( !job->isCancelled() )
            {
                job->onExecute();              // execute 
the job.
            }
            mFinished.push(job);
        }
        mRunning = false;
    }

Original issue reported on code.google.com by Shanni...@gmail.com on 14 Mar 2009 at 3:58