Messages in this thread | | | From | Stefan Metzmacher <> | Subject | Re: [PATCH] vfs: add faccessat2 syscall | Date | Sat, 18 Apr 2020 20:36:10 +0200 |
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Hi Miklos,
> POSIX defines faccessat() as having a fourth "flags" argument, while the > linux syscall doesn't have it. Glibc tries to emulate AT_EACCESS and > AT_SYMLINK_NOFOLLOW, but AT_EACCESS emulation is broken. > > Add a new faccessat(2) syscall with the added flags argument and implement > both flags. > > The value of AT_EACCESS is defined in glibc headers to be the same as > AT_REMOVEDIR. Use this value for the kernel interface as well, together > with the explanatory comment.
It would be nice if resolv_flags would also be passed in addition to the at flags. See:https://lore.kernel.org/linux-api/CAHk-=wiaL6zznNtCHKg6+MJuCqDxO=yVfms3qR9A0czjKuSSiA@mail.gmail.com/
We should avoid expecting yet another syscall in near future.
metze
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