/**
* Decrease the reference count of a piece of memory \a m,
* which becomes available for allocation.
*/
bool deallocate( pointer m )
{
Item* it = reinterpret_cast<Item*>(m);
if ( oro_atomic_read(&it->rc) == 0 )
return false;
if( oro_atomic_dec_and_test( &(it->rc) ) )
if ( mpool.enqueue( static_cast<void*>(m) ) == false )
assert(false && "Deallocating more elements than allocated !");
return true;
}
/**
* Deallocate and unlock() a piece of memory.
* Returns false if already released.
*/
bool deallocate( pointer m )
{
Item* item = reinterpret_cast<Item*>(m);
if ( oro_atomic_read(&item->rc) == 0 )
return false;
if( oro_atomic_dec_and_test( &(item->rc) ) ) {
for ( typename PoolType::iterator it = mpool.begin(); it != mpool.end(); ++it ) {
if ( it->first->enqueue( static_cast<void*>(m) ) ) {
return true;
}
}
assert(false && "Deallocating more elements than allocated !");
}
return true;
}
void ChannelElementBase::deref()
{
if ( oro_atomic_dec_and_test(&refcount) ) delete this;
}
bool dec_and_test() { return oro_atomic_dec_and_test( &_val ) != 0; }
