/home/brandes/workspace/LAMA/src/lama/DefaultHostContext.hpp

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#ifndef LAMA_DEFAULT_HOST_CONTEXT_HPP_
#define LAMA_DEFAULT_HOST_CONTEXT_HPP_

// for dll_import
#include <lama/config.hpp>

// base classes
#include <lama/HostContext.hpp>

// boost
#include <boost/weak_ptr.hpp>
#include <boost/thread/recursive_mutex.hpp>

namespace lama
{

class LAMA_DLL_IMPORTEXPORT DefaultHostContext : public HostContext
{

friend class DefaultHostContextManager; 

public:

    virtual ~DefaultHostContext();

    HostContextType getHostType() const { return HostContext::DefaultHost; }

    virtual void writeAt( std::ostream& stream ) const;

    virtual void* allocate( const size_t size ) const;

    virtual void allocate( ContextData& contextData, const size_t size ) const;

    virtual void free( void* pointer, const size_t size ) const;

    virtual void free( ContextData& contextData ) const;

    virtual void memcpy( void* dst, const void* src, const size_t size ) const;

    virtual std::auto_ptr<SyncToken> memcpyAsync( void* dst, const void* src, const size_t size ) const;

    virtual bool cancpy( const ContextData& dst, const ContextData& src ) const;

    virtual void memcpy( ContextData& dst, const ContextData& src, const size_t size ) const;

    virtual std::auto_ptr<SyncToken> memcpyAsync( ContextData& dst, const ContextData& src, const size_t size ) const;

private:

    DefaultHostContext();

    LAMA_LOG_DECL_STATIC_LOGGER(logger);

    mutable size_t mNumberOfAllocates;       

    mutable size_t mNumberOfAllocatedBytes;  

    mutable boost::recursive_mutex allocate_mutex;  // needed to make allocate/free thread-safe
};

}

#endif // LAMA_DEFAULT_HOST_CONTEXT_HPP_