Re: [patch] strerror.3: Change strerror() reference from MT-Unsafe to MT-Safe

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That's very strange
Working on master, my HEAD commit is commit
60eb580d1e836977d57355b6519f32e37bdc3392.
I might be missing something.

Regards,
Shani Leviim


On Sun, Aug 13, 2023 at 6:12 PM Alejandro Colomar <alx@xxxxxxxxxx> wrote:
>
> On 2023-08-13 16:37, Shani Leviim wrote:
> > Hi Alex,
> > I am re-attaching it.
> > I changed its name once it was created, so it may have caused an issue.
> >
> > git apply --verbose
> > 0001-strerror.3-Change-strerror-reference-from-MT-Unsafe-.patch
> > Checking patch man3/strerror.3...
> > Applied patch man3/strerror.3 cleanly.
> >
> > Sorry for the inconvenience
>
> No problem :)
>
> However, it still doesn't apply to master.  I see that it applies to
> somewhere between man-pages-6.03 and man-pages-6.04.  Could you please
> rebase it to either a release tag or the master branch, or specify the
> base to which it applies?
>
> Thanks,
> Alex
>
> >
> >
> > Regards,
> > Shani Leviim
> >
> > On Sat, Aug 12, 2023 at 1:52 AM Alejandro Colomar <alx@xxxxxxxxxx> wrote:
> >>
> >> Hi Shani,
> >>
> >> On 2023-07-30 15:41, Shani Leviim wrote:
> >>> Thanks, Alex,
> >>> Attaching the patch (see attachments)
> >>>
> >>> From: Shani Leviim <sleviim@xxxxxxxxxx>
> >>> Date: Sun, 30 Jul 2023 15:51:07 +0300
> >>> Subject: [PATCH 1/1] strerror.3: Change strerror() reference from MT-Unsafe to
> >>>  MT-Safe
> >>>
> >>> The information in this patch was obtained from a glibc upstream patch,
> >>> commit ID 28aff047818eb1726394296d27b9c7885340bead
> >>>
> >>> According the patch above, for glibc versions >=2.32,
> >>> strerror() is considered MT-Safe, and the man page should be changed
> >>> accordingly.
> >>>
> >>> Signed-off-by: Shani Leviim <sleviim@xxxxxxxxxx>
> >>
> >> The patch doesn't apply.  Can you please check what's wrong with it?
> >>
> >>
> >> $ git am patches/0001-strerror.3-Change-strerror-reference-from-MT-Unsafe-.patch
> >> Applying: strerror.3: Change strerror() reference from MT-Unsafe to MT-Safe
> >> error: patch failed: man3/strerror.3:238
> >> error: man3/strerror.3: patch does not apply
> >> Patch failed at 0001 strerror.3: Change strerror() reference from MT-Unsafe to MT-Safe
> >> hint: Use 'git am --show-current-patch=diff' to see the failed patch
> >> When you have resolved this problem, run "git am --continue".
> >> If you prefer to skip this patch, run "git am --skip" instead.
> >> To restore the original branch and stop patching, run "git am --abort".
> >>
> >>
> >> Thanks,
> >> Alex
> >>
> >>> ---
> >>>  man3/strerror.3 | 31 +++++++++++++++----------------
> >>>  1 file changed, 15 insertions(+), 16 deletions(-)
> >>>
> >>> diff --git a/man3/strerror.3 b/man3/strerror.3
> >>> index 862e153ee..6a3d83164 100644
> >>> --- a/man3/strerror.3
> >>> +++ b/man3/strerror.3
> >>> @@ -71,11 +71,12 @@ part of the current locale to select the
> >>> appropriate language.
> >>>  is
> >>>  .BR EINVAL ,
> >>>  the returned description will be "Invalid argument".)
> >>> -This string must not be modified by the application, but may be
> >>> -modified by a subsequent call to
> >>> +This string must not be modified by the application,
> >>> +and the returned pointer will be invalidated on a subsequent call to
> >>>  .BR strerror ()
> >>>  or
> >>> -.BR strerror_l ().
> >>> +.BR strerror_l (),
> >>> +or if the thread that obtained the string exits.
> >>>  No other library function, including
> >>>  .BR perror (3),
> >>>  will modify this string.
> >>> @@ -100,12 +101,12 @@ For example, given
> >>>  as an argument, this function returns a pointer to the string "EPERM".
> >>>  .\"
> >>>  .SS strerror_r()
> >>> -The
> >>>  .BR strerror_r ()
> >>> -function is similar to
> >>> +is like
> >>>  .BR strerror (),
> >>> -but is
> >>> -thread safe.
> >>> +but might use the supplied buffer
> >>> +.I buf
> >>> +instead of allocating one internally.
> >>>  This function is available in two versions:
> >>>  an XSI-compliant version specified in POSIX.1-2001
> >>>  (available since glibc 2.3.4, but not POSIX-compliant until glibc 2.13),
> >>> @@ -238,7 +239,7 @@ Interface    Attribute    Value
> >>>  T{
> >>>  .BR strerror ()
> >>>  T}    Thread safety    T{
> >>> -MT-Unsafe race:strerror
> >>> +MT-Safe
> >>>  T}
> >>>  T{
> >>>  .BR strerrorname_np (),
> >>> @@ -249,6 +250,10 @@ T{
> >>>  .BR strerror_l ()
> >>>  T}    Thread safety    MT-Safe
> >>>  .TE
> >>> +.PP
> >>> +Before glibc 2.32,
> >>> +.BR strerror ()
> >>> +is not MT-Safe.
> >>>  .hy
> >>>  .ad
> >>>  .sp 1
> >>> @@ -292,13 +297,6 @@ to
> >>>  if the error number is unknown.
> >>>  C99 and POSIX.1-2008 require the return value to be non-NULL.
> >>>  .SH NOTES
> >>> -The GNU C Library uses a buffer of 1024 characters for
> >>> -.BR strerror ().
> >>> -This buffer size therefore should be sufficient to avoid an
> >>> -.B ERANGE
> >>> -error when calling
> >>> -.BR strerror_r ().
> >>> -.PP
> >>>  .BR strerrorname_np ()
> >>>  and
> >>>  .BR strerrordesc_np ()
> >>> @@ -309,4 +307,5 @@ are thread-safe and async-signal-safe.
> >>>  .BR error (3),
> >>>  .BR perror (3),
> >>>  .BR strsignal (3),
> >>> -.BR locale (7)
> >>> +.BR locale (7),
> >>> +.BR signal-safety (7)
> >>
> >> --
> >> <http://www.alejandro-colomar.es/>
> >> GPG key fingerprint: A9348594CE31283A826FBDD8D57633D441E25BB5
>
>
>
>
>
> --
> <http://www.alejandro-colomar.es/>
> GPG key fingerprint: A9348594CE31283A826FBDD8D57633D441E25BB5
>





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