Worklist.h

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//
// Copyright (C) 2013 LunarG, Inc.
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#ifndef WORKLIST_H_INCLUDED
#define WORKLIST_H_INCLUDED

#include "../glslang/OSDependent/osinclude.h"
#include <list>
#include <mutex>
#include <string>

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> guard(mutex);
 worklist.push_back(item);
 }

 bool remove(TWorkItem*& item)
 {
 std::lock_guard<std::mutex> guard(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