https://bugs.kde.org/show_bug.cgi?id=465435
Mark Wielaard <m...@klomp.org> changed:
What |Removed |Added
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CC| |m...@klomp.org
--- Comment #11 from Mark Wielaard <m...@klomp.org> ---
(In reply to Paul Floyd from comment #10)
> (In reply to Corentin Noël from comment #9)
>
> > In this case it seems that I'm getting an error on file descriptor
> > duplication so having a errno/errmsg would also help understanding it a bit.
>
> We can't provide anything from errno as we don't have it. Valgrind does not
> link with libc and makes system calls like
>
> SysRes res = VG_(do_syscall3)(__NR_fcntl, fd, cmd, arg);
>
> directly itself.
We cannot use errno (which is indeed a glibc concept), but we can extract the
kernel error from the SysRes with something like:
if (sr_isError (res))
VG_(umsg) ("fcntl error %lu %s\n", sr_Err(res), VG_(strerror)
(sr_Err(res)));
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