bool cleanup()
{
bool res = false;
Client *p;
ringloop(client_root,p)
if( p->alive() && p->checklocks() )
res = true;
Lock *nextlp = NULL; // initialized just to avoid compiler warnings
for( Lock *lp = hanging_lock_root.next(); lp != &hanging_lock_root;
lp = nextlp)
{
nextlp = lp->next();
if( !lp->active() )
{
delete lp;
res = true;
}
else if( lp->expired() )
{
// if connection with client is already broken a for a long time
// and lock is still here, than client probably have forgotten
// to drop it. So we do it ourselves.
// But we may have problems if client is still alive and will try
// to do unlock. Than shared memory will be corrupted.
lp->force_unlock();
delete lp;
res = true;
}
}
Info* nextip = NULL; // initialized just to avoid compiler warnings
for(Info *ip = info_root.next(); ip->is_real(); ip = nextip )
{
nextip = ip->next();
if( ip->may_be_dropped() )
{
delete ip;
res = true;
}
}
return res;
}
