synchronization requires serialized access, regardless of the nature of the consumer system (real-time or not) wait-free algorithms might use spin-locks instea

synchronization requires serialized access, regardless of the nature of the consumer system (real-time or not) wait-free algorithms might use spin-locks instead of typical mutexes, but spin-locks aren't like better or faster than mutexes, they just replace syscall/io waits with hot waits