The opensystemcall determines whether the mapping is readable or writable.
open系统调用确定映射是否可读或可写。
2
At last, this paper will describe the procedure of acl control with an illustration of opensystemcall.
本文最后将以Open系统调用为例说明ACL总体控制流程。
3
This function is a high-level way of opening a file; but, since the only way to open a file in Linux is to use the opensystemcall, fopen makes use of open in its implementation.