edm::refcoreimpl Namespace Reference

Functions
bool	cacheIsProductPtr (void const *iPtr)
EDProductGetter const *	productGetter (std::atomic< void const * > const &iCache)
void const *	productPtr (std::atomic< void const * > const &iCache)
void	setCacheIsItem (std::atomic< void const * > &iCache, void const *iNewValue)
void	setCacheIsProductGetter (std::atomic< void const * > &ptr, EDProductGetter const *iGetter)
void	setCacheIsProductGetter (void const *&ptr, EDProductGetter const *iGetter)
bool	tryToSetCacheItemForFirstTime (std::atomic< void const * > &iCache, void const *iNewValue)

Variables
const std::uintptr_t	kCacheIsProductPtrBit = 0x1
const std::uintptr_t	kCacheIsProductPtrMask = std::numeric_limits<std::uintptr_t>::max() ^ kCacheIsProductPtrBit
const unsigned short	kProcessIndexMask = 0x3FFF
const unsigned short	kTransientBit = 0x8000

Function Documentation

bool edm::refcoreimpl::cacheIsProductPtr ( void const *  iPtr )

inline

Definition at line 41 of file refcore_implementation.h.

References kCacheIsProductPtrBit.

Referenced by productGetter(), productPtr(), and tryToSetCacheItemForFirstTime().

                                                     {
      return 0 == (reinterpret_cast<std::uintptr_t>(iPtr) & refcoreimpl::kCacheIsProductPtrBit);
    }

EDProductGetter const* edm::refcoreimpl::productGetter ( std::atomic< void const * > const &  iCache )

inline

Definition at line 76 of file refcore_implementation.h.

References cacheIsProductPtr(), compareJSON::const, kCacheIsProductPtrMask, and tmp.

Referenced by edm::RefToBase< T >::castTo(), and edm::getProduct().

                                                                                      {
      auto tmp = iCache.load(); 
      return (!refcoreimpl::cacheIsProductPtr(tmp))? reinterpret_cast<EDProductGetter const*>(reinterpret_cast<std::uintptr_t>(tmp)&refcoreimpl::kCacheIsProductPtrMask):static_cast<EDProductGetter const*>(nullptr);
    }

void const* edm::refcoreimpl::productPtr ( std::atomic< void const * > const &  iCache )

inline

Definition at line 71 of file refcore_implementation.h.

References cacheIsProductPtr(), compareJSON::const, and tmp.

                                                                        {
      auto tmp = iCache.load(); 
      return refcoreimpl::cacheIsProductPtr(tmp)?tmp:static_cast<void const*>(nullptr);
    }

void edm::refcoreimpl::setCacheIsItem ( std::atomic< void const * > &  iCache, void const *  iNewValue  )

inline

Definition at line 59 of file refcore_implementation.h.

                                                                                      {
      iCache = iNewValue;
    }

void edm::refcoreimpl::setCacheIsProductGetter ( std::atomic< void const * > &  ptr, EDProductGetter const *  iGetter  )

inline

Definition at line 45 of file refcore_implementation.h.

References kCacheIsProductPtrBit, and tmp.

                                                                                                       {
      std::uintptr_t tmp = reinterpret_cast<std::uintptr_t>(iGetter); 
      tmp |=refcoreimpl::kCacheIsProductPtrBit; 
      ptr.store(reinterpret_cast<void const*>(tmp));
    }

void edm::refcoreimpl::setCacheIsProductGetter ( void const *&  ptr, EDProductGetter const *  iGetter  )

inline

Definition at line 52 of file refcore_implementation.h.

References compareJSON::const, kCacheIsProductPtrBit, and tmp.

                                                                                          {
      std::uintptr_t tmp = reinterpret_cast<std::uintptr_t>(iGetter); 
      tmp |=refcoreimpl::kCacheIsProductPtrBit;
      ptr = reinterpret_cast<void const*>(tmp);
    }

bool edm::refcoreimpl::tryToSetCacheItemForFirstTime ( std::atomic< void const * > &  iCache, void const *  iNewValue  )

inline

Definition at line 63 of file refcore_implementation.h.

References cacheIsProductPtr().

Referenced by edm::RefCore::tryToSetProductPtrForFirstTime(), and edm::RefCoreWithIndex::tryToSetProductPtrForFirstTime().

                                                                                                    {
      auto cache = iCache.load();
      if(not cacheIsProductPtr(cache)) {
        return iCache.compare_exchange_strong(cache, iNewValue);
      }
      return false;
    }

Variable Documentation

const std::uintptr_t edm::refcoreimpl::kCacheIsProductPtrBit = 0x1

Definition at line 38 of file refcore_implementation.h.

Referenced by cacheIsProductPtr(), setCacheIsProductGetter(), and edm::RefCore::setId().

const std::uintptr_t edm::refcoreimpl::kCacheIsProductPtrMask = std::numeric_limits<std::uintptr_t>::max() ^ kCacheIsProductPtrBit

Definition at line 39 of file refcore_implementation.h.

Referenced by edm::RefCore::cachePtrIsInvalid(), and productGetter().

const unsigned short edm::refcoreimpl::kProcessIndexMask = 0x3FFF

Definition at line 36 of file refcore_implementation.h.

const unsigned short edm::refcoreimpl::kTransientBit = 0x8000

Definition at line 35 of file refcore_implementation.h.

Referenced by edm::RefCore::setId().