void PackageService::compact()
{
LOG_TIMESCOPE(0, "-- PackageService::Compact");
PackageList packages;
while (true)
{
packages.clear();
// prepare current set of linked packages to unload for safe iteration
for (PackageNameMap::iterator itr = _linkedPackages.begin(), end = _linkedPackages.end(); itr != end; ++itr)
{
Ref<Package> package = itr->second;
if (package->getUseCount() > 0) continue;
if (package->isStayResident()) continue;
if (package->isStayForCurrent()) continue;
if (package->isStayForNext()) continue;
packages.push_back(package);
}
if (packages.empty())
break;
// unlink all in current set
for (uint i=0; i<packages.size(); ++i)
{
Ref<Package> pack = packages[i];
pack->unlink();
}
}
}
