Exemplo n.º 1
0
static bool discard_clean_frame(const FrObject *obj, va_list args)
{
   FrVarArg(uint32_t,thres) ;
   FrVarArg(int *,discarded) ;
   FrFrame *frame = ((FrSymbol*)obj)->symbolFrame() ;
   // throw out the current frame if it is a clean virtual frame last used
   // before the threshold value of the clock
   if (frame && frame->isVFrame() && !frame->isLocked() &&
       !frame->dirtyFrame() && frame->getLRUclock() < thres)
      {
      frame->discard() ;	// discard the frame
      (*discarded)++ ;
      }
   return true ;
}
Exemplo n.º 2
0
static bool discard_dirty_frame(const FrObject *obj, va_list args)
{
   FrVarArg(uint32_t,thres) ;
   FrVarArg(int *,discarded) ;
   FrFrame *frame = ((FrSymbol*)obj)->symbolFrame() ;
   // throw out any and all unlocked virtual frames, even if dirty, that were
   // last used before the threshold value of the clock
   if (frame && frame->isVFrame() && !frame->isLocked() &&
       frame->getLRUclock() < thres)
      {
      if (frame->dirtyFrame())
	 frame->frameName()->commitFrame() ;
      frame->discard() ;	// discard the frame
      (*discarded)++ ;
      }
   return true ;
}