noun
mutual exclusion
Computing term for ensuring that only one process or thread accesses a shared resource at a time.
相互排他は、並行処理でデータの整合性を保つために使われる。
Mutual exclusion is used to maintain data consistency in concurrent processing.
Compound of 相互 (mutual) and 排他 (exclusion), likely a calque from English 'mutual exclusion' in computing contexts.