On Mon, 8 Jul 2013 00:08:58 +0200 Roland Mainz wrote:
> On Sat, Jul 6, 2013 at 8:22 AM, Irek Szczesniak <[email protected]> wrote:
> > On Sat, Jul 6, 2013 at 4:31 AM, Roland Mainz <[email protected]> 
> > wrote:
> >> On Thu, Jul 4, 2013 at 7:47 AM, Roland Mainz <[email protected]> 
> >> wrote:
> >>> On Wed, Jul 3, 2013 at 2:06 AM, Roland Mainz <[email protected]> 
> >>> wrote:
> >>>> On Tue, Jul 2, 2013 at 8:04 PM, Roland Mainz <[email protected]> 
> >>>> wrote:
> >>>>> On Tue, Jul 2, 2013 at 4:11 PM, Irek Szczesniak <[email protected]> 
> >>>>> wrote:
> >>>>>> On Sun, Jun 30, 2013 at 11:53 PM, Roland Mainz 
> >>>>>> <[email protected]> wrote:
> >>>>>>> 2013/6/28 Glenn Fowler <[email protected]>:
> >> [snip]
> >>> Attached (as "astksh20130628_solaris_fixes003.diff.txt") is an updated
> >>> version of the patch which fixes the issues which came up during code
> >>> review:
> >>> - Fixed error handling in cd(1) for NFSv4/CIFS/SMBFS XATTR directories
> >>> - Opening the history files now goes through the
> >>> |*at()|-emulation&&intercept code to make sure extra flags+signal
> >>> restart is handled properly (tested)
> >>>
> >>> BTW: No, going through the |*at()| emulation is not slower unless the
> >>> |fd| argument in |openat(fd,...)| differs between individual calls
> >>> (well... at least the code in
> >>> http://svn.nrubsig.org/svn/people/gisburn/code/openat_emu/openat_emu.c
> >>> did maintain a cache (which is valid until |fchdir()|/|chdir()| is
> >>> called) and AFAIK the |*at()|-emulation in libast should do the same).
> >>
> >> ... one remaining issue came up during review... some code in
> >> src/cmd/ksh93 (besides globbing and directory reading) still uses
> >> |sfopen()| ... are there ant objections that I switch them over to
> >> |sfopenat()| with this patch already (we have to do it anyway in the
> >> future to wean-off Shell_t objects from relying on the global cwd) ?
> >
> > No objection here. IMO all calls to obtain a file descriptor should go
> > through openat() because the reasons you've stated, plus the reason
> > that open() on such platforms is a libc wrapper which calls
> > openat(AT_FDCWD,name,flags,...).

> Erm... the question was mainly for David...

near the top of my list is *at()-ifying src/lib/libast/misc/fts.c

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