unofficial mirror of libc-alpha@sourceware.org
 help / color / mirror / Atom feed
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH 01/10] htl: Rename _pthread_mutex_init/destroy to __pthread_mutex_init/destroy
Date: Tue, 21 Jan 2020 22:28:50 +0100	[thread overview]
Message-ID: <20200121212850.ufsmja7evi3bhwjx@function> (raw)
In-Reply-To: <b7575b0f-d69a-3bdf-5144-54dd67087c08@linaro.org>

Hello,

Adhemerval Zanella, le ven. 17 janv. 2020 17:40:09 -0300, a ecrit:
> > diff --git a/sysdeps/mach/hurd/i386/libpthread.abilist b/sysdeps/mach/hurd/i386/libpthread.abilist
> > index 0ede90859c..cda8755960 100644
> > --- a/sysdeps/mach/hurd/i386/libpthread.abilist
> > +++ b/sysdeps/mach/hurd/i386/libpthread.abilist
> > @@ -14,8 +14,6 @@ GLIBC_2.12 _cthread_init_routine D 0x4
> >  GLIBC_2.12 _cthreads_flockfile F
> >  GLIBC_2.12 _cthreads_ftrylockfile F
> >  GLIBC_2.12 _cthreads_funlockfile F
> > -GLIBC_2.12 _pthread_mutex_destroy F
> > -GLIBC_2.12 _pthread_mutex_init F
> >  GLIBC_2.12 _pthread_mutex_lock F
> >  GLIBC_2.12 _pthread_mutex_trylock F
> >  GLIBC_2.12 _pthread_mutex_unlock F
> 
> I understand this change is follow Linux internal implementation
> and make mtx_init.c generic, but I don't think changing hurd 
> libpthread exported symbols is the correct solution. 
> 
> Since the symbol won't be used anymore I think we can move to
> a compat symbol, something like:
> 
> +strong_alias (__pthread_mutex_init, pthread_mutex_init);
> +hidden_def (__pthread_mutex_init)
> +#if SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_31)
> +compat_symbol (libpthread, __pthread_mutex_init, _pthread_mutex_init, GLIBC_2_12);
> +#endif

But do we need to keep the compat symbols at all? 

_pthread_mutex_lock has never been exposed in a .h file, it should have
gotten version GLIBC_PRIVATE actually since it's only used between
libc.so and libpthread.so.

Samuel

  reply	other threads:[~2020-01-21 21:29 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14 18:52 [PATCH 00/10] Port C11 threads to GNU/Hurd Samuel Thibault
2020-01-14 18:52 ` [hurd,commited] htl: Add internal version of __pthread_mutex_timedlock Samuel Thibault
2020-01-14 18:52 ` [PATCH 01/10] htl: Rename _pthread_mutex_init/destroy to __pthread_mutex_init/destroy Samuel Thibault
2020-01-17 20:40   ` Adhemerval Zanella
2020-01-21 21:28     ` Samuel Thibault [this message]
2020-01-27 21:55       ` Removing internal symbols (Was: htl: Rename _pthread_mutex_init/destroy to __pthread_mutex_init/destroy) Samuel Thibault
2020-01-28 12:56         ` Adhemerval Zanella
2020-01-28 13:58           ` Removing internal symbols Florian Weimer
2020-01-14 18:52 ` [PATCH 02/10] htl: Add missing internal functions declarations Samuel Thibault
2020-01-20 17:11   ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 03/10] htl: Add support for C11 threads behavior Samuel Thibault
2020-01-20 17:15   ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 04/10] htl: Make __PTHREAD_ONCE_INIT more flexible Samuel Thibault
2020-01-20 18:01   ` Adhemerval Zanella
2020-01-20 18:29     ` Samuel Thibault
2020-01-14 18:52 ` [PATCH 05/10] nptl: Move nptl-specific types to separate header Samuel Thibault
2020-01-20 18:31   ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 06/10] C11 threads: do not require PTHREAD_DESTRUCTOR_ITERATIONS Samuel Thibault
2020-01-20 18:40   ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 07/10] C11 threads: Fix thrd_t / pthread_t compatibility assertion Samuel Thibault
2020-01-20 18:52   ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 08/10] C11 threads: make thrd_join more portable Samuel Thibault
2020-01-20 18:53   ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 09/10] htl: Add C11 threads types definitions Samuel Thibault
2020-01-20 19:08   ` Adhemerval Zanella
2020-01-20 20:58     ` Samuel Thibault
2020-01-21 11:35       ` Adhemerval Zanella
2020-01-14 18:52 ` [PATCH 10/10] C11 threads: Move implementation to sysdeps/pthread Samuel Thibault
2020-01-21 12:39   ` Adhemerval Zanella
2020-01-21 22:01     ` Samuel Thibault
2020-01-22 12:36       ` Adhemerval Zanella

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/libc/involved.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200121212850.ufsmja7evi3bhwjx@function \
    --to=samuel.thibault@ens-lyon.org \
    --cc=adhemerval.zanella@linaro.org \
    --cc=libc-alpha@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).