bool FrSymbol::lockFrames(FrList *locklist)
{
if (VFrame_Info)
{
//!!!for now, just do one at a time
while (locklist)
{
if (!((FrSymbol*)(locklist->first()))->lockFrame())
return false ; // failed
locklist = locklist->rest() ;
}
return true ; // successful
}
else
{
while (locklist)
{
FrFrame *fr = ((FrSymbol*)(locklist->first()))->symbolFrame() ;
if (fr)
fr->setLock(true) ;
locklist = locklist->rest() ;
}
return true ; // successful
}
}
bool FrSymbol::unlockFrame()
{
FrFrame *fr = symbolFrame() ;
// don't use find_vframe above, to avoid pulling in frame if not already
// in memory
if (fr && fr->isLocked() && VFrame_Info)
{
if (VFrame_Info->unlockFrame(this))
fr->setLock(false) ;
else
return false ;
}
return true ;
}
FrFrame *FrSymbol::lockFrame()
{
FrFrame *fr = find_vframe_inline(this) ;
if (fr && !fr->isLocked() && VFrame_Info)
{
if (VFrame_Info->lockFrame(this))
fr->setLock(true) ;
else
{
FrWarningVA("unable to lock frame %s",symbolName()) ;
return 0 ;
}
}
return fr ;
}
