On Fri, 17 Feb 2023, 07:40 Alexandre Oliva via Libstdc++, <
libstdc++@gcc.gnu.org> wrote:

>
> vxworks ignores O_EXCL in open, so noreplace open succeeds when it is
> expected to fail.  xfail the tests.
>
> Regstrapped on x86_64-linux-gnu.
> Tested on arm-vxworks7 (gcc-12) and arm-eabi (trunk).  Ok to install?
>


OK, thanks.

(We need a similar change for hp-ux and Solaris, at least. Which means we
need to change the impl to not assume it works.)




> for  libstdc++-v3/ChangeLog
>
>         * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail
>         on vxworks.
>         * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
>         Likewise.
> ---
>  .../27_io/basic_ofstream/open/char/noreplace.cc    |    2 +-
>  .../27_io/basic_ofstream/open/wchar_t/noreplace.cc |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git
> a/libstdc++-v3/testsuite/27_io/basic_ofstream/open/char/noreplace.cc
> b/libstdc++-v3/testsuite/27_io/basic_ofstream/open/char/noreplace.cc
> index 56ff2d7cead3c..2e99707df86d0 100644
> --- a/libstdc++-v3/testsuite/27_io/basic_ofstream/open/char/noreplace.cc
> +++ b/libstdc++-v3/testsuite/27_io/basic_ofstream/open/char/noreplace.cc
> @@ -1,4 +1,4 @@
> -// { dg-do run }
> +// { dg-do run { xfail *-*-vxworks* } }
>
>  #include <ios>
>
> diff --git
> a/libstdc++-v3/testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc
> b/libstdc++-v3/testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc
> index f0425cdab3d23..ddb7fd691608c 100644
> --- a/libstdc++-v3/testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc
> +++ b/libstdc++-v3/testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc
> @@ -1,4 +1,4 @@
> -// { dg-do run }
> +// { dg-do run { xfail *-*-vxworks* } }
>
>  #include <version>
>
>
> --
> Alexandre Oliva, happy hacker                https://FSFLA.org/blogs/lxo/
>    Free Software Activist                       GNU Toolchain Engineer
> Disinformation flourishes because many people care deeply about injustice
> but very few check the facts.  Ask me about <https://stallmansupport.org>
>