Procfiles reports fstat and FCNTL information for all open files in each process.

procfiles报告每个进程中所有打开的文件的fstat和fcntl信息。

youdao

Another approach is to use POSIX record locks, implemented through FCNTL (2) as a discretionary lock.

另一个方法是使用POSIX记录锁(record locks)，它通过fcntl(2)实现为一个任意的锁。

youdao