Method unlock

plugins/e57/libE57Format/src/Packet.cpp:142–157

}

void PacketReadCache::unlock( unsigned cacheIndex )
{
   //??? why lockedEntry not used?
#ifdef E57_VERBOSE
   std::cout << "PacketReadCache::unlock() called, cacheIndex=" << cacheIndex << std::endl;
#else
   E57_UNUSED( cacheIndex );
#endif

   if ( lockCount_ != 1 )
   {
      throw E57_EXCEPTION2( ErrorInternal, "lockCount=" + toString( lockCount_ ) );
   }

   --lockCount_;
}

void PacketReadCache::readPacket( unsigned oldestEntry, uint64_t packetLogicalOffset )
{