Permissions were based on masking a 32-bit integer — the example application and requirements would have needed at least 64 bits to handle the required atomic permissions.
各种权限都基于屏蔽一个32位整数——示例应用程序和要求至少需要64位才能处理所需的原子权限。
3
Introduces the concept of least common right multiple matrix of integer matrices, and offers a method and some properties.