Galois: Termination.h Source File

00001 
00030 #ifndef GALOIS_RUNTIME_TERMINATION_H
00031 #define GALOIS_RUNTIME_TERMINATION_H
00032 
00033 #include "Galois/Runtime/PerThreadStorage.h"
00034 #include "Galois/Runtime/ll/CacheLineStorage.h"
00035 
00036 namespace Galois {
00037 namespace Runtime {
00038 
00039 class TerminationDetection {
00040 protected:
00041   LL::CacheLineStorage<volatile bool> globalTerm;
00042 public:
00047   virtual void initializeThread() = 0;
00048 
00057   virtual void localTermination(bool workHappened) = 0;
00058 
00062   bool globalTermination() const {
00063     return globalTerm.data;
00064   }
00065 };
00066 
00067 //returns an object.  The object will be reused.
00068 TerminationDetection& getSystemTermination();
00069 
00070 } // end namespace Runtime
00071 } // end namespace Galois
00072 
00073 #endif