Worklist.hpp

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#ifndef WORKLIST_H_INCLUDED
#define WORKLIST_H_INCLUDED
 
#include <string>
#include <list>
#include <mutex>
 
namespace glslang
{

    class TWorkItem
    {
    public:
        TWorkItem() { }
        explicit TWorkItem ( const std::string& s ) :
            name ( s ) { }
        std::string name; 
        std::string results; 
        std::string resultsIndex; 
    };

    class TWorklist
    {
    public:
        TWorklist() { }
        virtual ~TWorklist() { }

        void add ( TWorkItem* item )
        {
            std::lock_guard<std::mutex> hold ( mutex );
            worklist.push_back ( item );
        }

        bool remove ( TWorkItem*& item )
        {
            std::lock_guard<std::mutex> hold ( mutex );
            if ( worklist.empty() )
            {
                return false;
            }
            item = worklist.front();
            worklist.pop_front();
            return true;
        }

        int size()
        {
            return ( int ) worklist.size();
        }

        bool empty()
        {
            return worklist.empty();
        }
 
    protected:
        std::mutex mutex; 
        std::list<TWorkItem*> worklist; 
    };
 
} // end namespace glslang
 
#endif // WORKLIST_H_INCLUDED