Linked<T> get(long timeout=0)
{
const long interval=1000;
for(;;)
{
{
CriticalBlock b(crit);
typename std::vector<Linked<T> >::iterator it;
for(it=resources.begin();it!=resources.end();it++)
{
if(it->get() == NULL)
{
Owned<T> e = factory->createResource();
if(e)
{
it->set(e.get());
return e;
}
}
else if(!it->get()->IsShared())
{
return *it;
}
}
}
long slp=timeout!=INFINITE && timeout<interval ? timeout : interval;
if(slp<=0)
break;
long start=msTick();
long elapsed=sem.wait(slp) ? (msTick()-start) : slp;
if(timeout!=INFINITE)
timeout-=elapsed;
}
throw MakeStringException(1, "Run out of resources");
}
