I'm writng a smal kernel module that catches file access syscalls. At every syscall I need a full name of file is being passed to a syscall. I'm getting it with a path passed to syscall and if path is not starting with / I get current working directory of process using kern___getcwd(). In every syscall all works just fine except rmdir & unlink. Sometimes in unlink and everytime in rmdir it returns "not a directory" error. I know already that kern___getcwd() works through vnode cache and this method is not a reliable way to get file names. So is there any other way get cwd of a proccess?
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