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From: Carlos O'Donell <carlos@redhat.com>
To: Florian Weimer <fweimer@redhat.com>, libc-alpha@sourceware.org
Subject: Re: [PATCH 00/19] Signal mask for timer helper thread
Date: Wed, 20 May 2020 09:11:24 -0400	[thread overview]
Message-ID: <0106e231-119b-3b1a-de80-f3a31f0195b0@redhat.com> (raw)
In-Reply-To: <cover.1589884403.git.fweimer@redhat.com>

On 5/19/20 6:43 AM, Florian Weimer via Libc-alpha wrote:
> This series cleans up various aspects of NPTL and eventually adds
> functionality to explicitly block internal signals on new threads.

Great! I think that's a useful feature when integrated into the attributes
for the thread.

> There is now a proper public interface (for non-internal signals) and
> the awkward separate sigset_t * argument and a pthread_create variant is
> no longer needed.

Sounds great... but this patch set has gotten much bigger! :-)

> To avoid creating new symbols in libpthread, some dependent
> functionality had to be moved into libc.  Since more parts of
> pthread_attr_t are now dynamically allocated, it seemed prudent to
> consolidate the copying of thread attributes.

Agreed.

> Tested on x86_64-linux-gnu, i686-linux-gnu.  Built with
> build-many-glibcs.py (also various intermediate steps).

Testing in progress for x86_64 and i686 on my side.

I'll start reviewing some of the easy patches.

> Thanks,
> Florian
> 
> Florian Weimer (19):
>   manual: Add missing section and node for clockid_t wait functions
>   nptl: Replace some stubs with the Linux implementation
>   nptl: Move pthread_attr_setaffinity_np into libc
>   nptl: Move pthread_getaffinity_np into libc
>   nptl: Move pthread_gettattr_np into libc
>   nptl: Make __pthread_attr_init, __pthread_attr_destroy available
>     internally
>   nptl: Add __pthread_attr_copy for copying pthread_attr_t objects
>   nptl: Use __pthread_attr_copy in pthread_getattr_default_np (bug
>     25999)
>   nptl: Use __pthread_attr_copy in pthread_setattr_default_np
>   <libc-symbols.h>: Add libpthread hidden alias support
>   nptl: Add internal alias __pthread_getattr_default_np
>   nptl: Use __pthread_getattr_default_np in pthread_create
>   nptl: Use __pthread_attr_setaffinity_np in pthread_getattr_np
>   nptl: Change type of __default_pthread_attr
>   nptl: Destroy the default thread attribute as part of freeres
>   nptl: Make pthread_attr_t dynamically extensible
>   nptl: Add pthread_attr_setsigmask_np, pthread_attr_getsigmask_np
>   manual: Add pthread_attr_setsigmask_np, pthread_attr_getsigmask_np
>   Linux: Use __pthread_attr_setsigmask_internal for timer helper thread
> 
>  NEWS                                          |   4 +
>  include/libc-symbols.h                        |  23 ++
>  manual/threads.texi                           |  55 +++++
>  nptl/Makefile                                 |  24 ++-
>  nptl/Versions                                 |  29 ++-
>  nptl/allocatestack.c                          |   2 +-
>  nptl/libpthread-compat.c                      |   5 +
>  nptl/nptl-init.c                              |   4 +-
>  nptl/nptlfreeres.c                            |   1 +
>  nptl/pthreadP.h                               |  35 ++-
>  nptl/pthread_attr_copy.c                      |  64 ++++++
>  nptl/pthread_attr_destroy.c                   |  15 +-
>  nptl/pthread_attr_extension.c                 |  32 +++
>  nptl/pthread_attr_getaffinity.c               |  14 +-
>  nptl/pthread_attr_getsigmask.c                |  38 ++++
>  nptl/pthread_attr_getstacksize.c              |   2 +-
>  nptl/pthread_attr_init.c                      |   5 +-
>  nptl/pthread_attr_setaffinity.c               |  45 ++--
>  nptl/pthread_attr_setsigmask.c                |  34 +++
>  nptl/pthread_attr_setsigmask_internal.c       |  45 ++++
>  nptl/pthread_create.c                         |  63 +++---
>  nptl/pthread_getaffinity.c                    |  45 +++-
>  nptl/pthread_getattr_default_np.c             |  15 +-
>  nptl/pthread_getattr_np.c                     |  43 ++--
>  nptl/pthread_getname.c                        |  49 ++++-
>  nptl/pthread_setaffinity.c                    |  37 +++-
>  nptl/pthread_setattr_default_np.c             |  63 +++---
>  nptl/pthread_setname.c                        |  43 +++-
>  nptl/tst-pthread-attr-sigmask.c               | 204 ++++++++++++++++++
>  nptl/tst-pthread-defaultattr-free.c           |  78 +++++++
>  .../unix/sysv/linux => nptl}/tst-setgetname.c |   0
>  .../tst-thread-affinity-pthread.c             |   0
>  .../tst-thread-affinity-pthread2.c            |   0
>  .../tst-thread-affinity-sched.c               |   0
>  nptl/vars.c                                   |   2 +-
>  sysdeps/nptl/internaltypes.h                  |  26 ++-
>  sysdeps/nptl/pthread.h                        |  15 ++
>  sysdeps/unix/sysv/linux/Makefile              |   5 +-
>  sysdeps/unix/sysv/linux/aarch64/libc.abilist  |   8 +
>  .../sysv/linux/aarch64/libpthread.abilist     |   3 -
>  sysdeps/unix/sysv/linux/alpha/libc.abilist    |  10 +
>  .../unix/sysv/linux/alpha/libpthread.abilist  |   6 +-
>  sysdeps/unix/sysv/linux/arm/be/libc.abilist   |   8 +
>  .../unix/sysv/linux/arm/be/libpthread.abilist |   3 -
>  sysdeps/unix/sysv/linux/arm/le/libc.abilist   |   8 +
>  .../unix/sysv/linux/arm/le/libpthread.abilist |   3 -
>  sysdeps/unix/sysv/linux/createthread.c        |   9 +-
>  sysdeps/unix/sysv/linux/csky/libc.abilist     |   8 +
>  .../unix/sysv/linux/csky/libpthread.abilist   |   3 -
>  sysdeps/unix/sysv/linux/hppa/libc.abilist     |  10 +
>  .../unix/sysv/linux/hppa/libpthread.abilist   |   6 +-
>  sysdeps/unix/sysv/linux/i386/libc.abilist     |  10 +
>  .../unix/sysv/linux/i386/libpthread.abilist   |   6 +-
>  sysdeps/unix/sysv/linux/ia64/libc.abilist     |  10 +
>  .../unix/sysv/linux/ia64/libpthread.abilist   |   6 +-
>  .../sysv/linux/m68k/coldfire/libc.abilist     |   8 +
>  .../linux/m68k/coldfire/libpthread.abilist    |   3 -
>  .../unix/sysv/linux/m68k/m680x0/libc.abilist  |  10 +
>  .../sysv/linux/m68k/m680x0/libpthread.abilist |   6 +-
>  .../sysv/linux/microblaze/be/libc.abilist     |   8 +
>  .../linux/microblaze/be/libpthread.abilist    |   3 -
>  .../sysv/linux/microblaze/le/libc.abilist     |   8 +
>  .../linux/microblaze/le/libpthread.abilist    |   3 -
>  .../sysv/linux/mips/mips32/fpu/libc.abilist   |  10 +
>  .../sysv/linux/mips/mips32/libpthread.abilist |   6 +-
>  .../sysv/linux/mips/mips32/nofpu/libc.abilist |  10 +
>  .../sysv/linux/mips/mips64/libpthread.abilist |   6 +-
>  .../sysv/linux/mips/mips64/n32/libc.abilist   |  10 +
>  .../sysv/linux/mips/mips64/n64/libc.abilist   |  10 +
>  sysdeps/unix/sysv/linux/nios2/libc.abilist    |   8 +
>  .../unix/sysv/linux/nios2/libpthread.abilist  |   3 -
>  .../linux/powerpc/powerpc32/fpu/libc.abilist  |  10 +
>  .../powerpc/powerpc32/libpthread.abilist      |   6 +-
>  .../powerpc/powerpc32/nofpu/libc.abilist      |  10 +
>  .../linux/powerpc/powerpc64/be/libc.abilist   |  10 +
>  .../powerpc/powerpc64/be/libpthread.abilist   |   5 -
>  .../linux/powerpc/powerpc64/le/libc.abilist   |   8 +
>  .../powerpc/powerpc64/le/libpthread.abilist   |   3 -
>  sysdeps/unix/sysv/linux/pthread_getaffinity.c |  58 -----
>  sysdeps/unix/sysv/linux/pthread_getname.c     |  69 ------
>  sysdeps/unix/sysv/linux/pthread_setaffinity.c |  53 -----
>  sysdeps/unix/sysv/linux/pthread_setname.c     |  63 ------
>  .../unix/sysv/linux/riscv/rv64/libc.abilist   |   8 +
>  .../sysv/linux/riscv/rv64/libpthread.abilist  |   3 -
>  .../unix/sysv/linux/s390/s390-32/libc.abilist |  10 +
>  .../linux/s390/s390-32/libpthread.abilist     |   6 +-
>  .../unix/sysv/linux/s390/s390-64/libc.abilist |  10 +
>  .../linux/s390/s390-64/libpthread.abilist     |   6 +-
>  sysdeps/unix/sysv/linux/sh/be/libc.abilist    |  10 +
>  .../unix/sysv/linux/sh/be/libpthread.abilist  |   6 +-
>  sysdeps/unix/sysv/linux/sh/le/libc.abilist    |  10 +
>  .../unix/sysv/linux/sh/le/libpthread.abilist  |   6 +-
>  .../sysv/linux/sparc/sparc32/libc.abilist     |  10 +
>  .../linux/sparc/sparc32/libpthread.abilist    |   6 +-
>  .../sysv/linux/sparc/sparc64/libc.abilist     |  10 +
>  .../linux/sparc/sparc64/libpthread.abilist    |   6 +-
>  sysdeps/unix/sysv/linux/timer_routines.c      |  19 +-
>  .../unix/sysv/linux/x86_64/64/libc.abilist    |  10 +
>  .../sysv/linux/x86_64/64/libpthread.abilist   |   5 -
>  .../unix/sysv/linux/x86_64/x32/libc.abilist   |   8 +
>  .../sysv/linux/x86_64/x32/libpthread.abilist  |   3 -
>  101 files changed, 1289 insertions(+), 551 deletions(-)
>  create mode 100644 nptl/pthread_attr_copy.c
>  create mode 100644 nptl/pthread_attr_extension.c
>  create mode 100644 nptl/pthread_attr_getsigmask.c
>  create mode 100644 nptl/pthread_attr_setsigmask.c
>  create mode 100644 nptl/pthread_attr_setsigmask_internal.c
>  create mode 100644 nptl/tst-pthread-attr-sigmask.c
>  create mode 100644 nptl/tst-pthread-defaultattr-free.c
>  rename {sysdeps/unix/sysv/linux => nptl}/tst-setgetname.c (100%)
>  rename {sysdeps/unix/sysv/linux => nptl}/tst-thread-affinity-pthread.c (100%)
>  rename {sysdeps/unix/sysv/linux => nptl}/tst-thread-affinity-pthread2.c (100%)
>  rename {sysdeps/unix/sysv/linux => nptl}/tst-thread-affinity-sched.c (100%)
>  delete mode 100644 sysdeps/unix/sysv/linux/pthread_getaffinity.c
>  delete mode 100644 sysdeps/unix/sysv/linux/pthread_getname.c
>  delete mode 100644 sysdeps/unix/sysv/linux/pthread_setaffinity.c
>  delete mode 100644 sysdeps/unix/sysv/linux/pthread_setname.c
> 


-- 
Cheers,
Carlos.


      parent reply	other threads:[~2020-05-20 13:11 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19 10:43 Florian Weimer
2020-05-19 10:44 ` [PATCH 01/19] manual: Add missing section and node for clockid_t wait functions Florian Weimer
2020-05-20 13:12   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 02/19] nptl: Replace some stubs with the Linux implementation Florian Weimer
2020-05-20 13:27   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 03/19] nptl: Move pthread_attr_setaffinity_np into libc Florian Weimer
2020-05-20 13:31   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 04/19] nptl: Move pthread_getaffinity_np " Florian Weimer
2020-05-20 13:52   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 05/19] nptl: Move pthread_gettattr_np " Florian Weimer
2020-05-20 13:57   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 06/19] nptl: Make __pthread_attr_init, __pthread_attr_destroy available internally Florian Weimer
2020-05-20 13:59   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 07/19] nptl: Add __pthread_attr_copy for copying pthread_attr_t objects Florian Weimer
2020-05-20 14:10   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 08/19] nptl: Use __pthread_attr_copy in pthread_getattr_default_np (bug 25999) Florian Weimer
2020-05-20 14:42   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 09/19] nptl: Use __pthread_attr_copy in pthread_setattr_default_np Florian Weimer
2020-05-20 14:48   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 10/19] <libc-symbols.h>: Add libpthread hidden alias support Florian Weimer
2020-05-20 14:51   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 11/19] nptl: Add internal alias __pthread_getattr_default_np Florian Weimer
2020-06-02  3:28   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 12/19] nptl: Use __pthread_getattr_default_np in pthread_create Florian Weimer
2020-06-02  3:34   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 13/19] nptl: Use __pthread_attr_setaffinity_np in pthread_getattr_np Florian Weimer
2020-06-02  3:36   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 14/19] nptl: Change type of __default_pthread_attr Florian Weimer
2020-06-02  3:39   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 15/19] nptl: Destroy the default thread attribute as part of freeres Florian Weimer
2020-06-02  3:41   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 16/19] nptl: Make pthread_attr_t dynamically extensible Florian Weimer
2020-06-02  3:47   ` Carlos O'Donell
2020-05-19 10:44 ` [PATCH 17/19] nptl: Add pthread_attr_setsigmask_np, pthread_attr_getsigmask_np Florian Weimer
2020-06-02  4:01   ` Carlos O'Donell
2020-05-19 10:45 ` [PATCH 18/19] manual: " Florian Weimer
2020-05-20  7:39   ` Michael Kerrisk
2020-06-03  9:26     ` Florian Weimer
2020-06-02  4:05   ` Carlos O'Donell
2020-05-19 10:45 ` [PATCH 19/19] Linux: Use __pthread_attr_setsigmask_internal for timer helper thread Florian Weimer
2020-06-02  4:07   ` Carlos O'Donell
2020-05-20 13:11 ` Carlos O'Donell [this message]

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