On Mon, Jan 27, 2014 at 7:50 PM, Zbigniew Jędrzejewski-Szmek <[email protected]> wrote: > On Mon, Jan 27, 2014 at 07:15:23PM +0100, Kay Sievers wrote: >> On Mon, Jan 27, 2014 at 6:27 PM, Zbigniew Jędrzejewski-Szmek >> <[email protected]> wrote: >> > On Mon, Jan 27, 2014 at 05:57:56PM +0100, Kay Sievers wrote: >> >> >> Can we expect open(O_TMPFILE) to fail on kernels which do not support it? >> >> >> I guess they will just silently ignore it? Then we never unlink? >> >> > No, it is supposed to fail properly if it doesn't work. The flags were >> > changed to be incompatible with old kernels. We should probably have a >> > unit test for that. I have a small utility I was using for tests, I'll >> > dig it up. >> >> Oh, any idea how this works? I couldn't see any kernel code that >> checks for currently unused flags and fails. > > open("/tmp", O_TMPFILE|O_RDWR, S_IRUSR | S_IWUSR) > > returns -1, errno=EISDIR on Linux 3.9.
Yeah, but what happens for a "/tmp/does-not-exist" request? :) Kay _______________________________________________ systemd-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/systemd-devel
