[SCM] POSIX threading library branch, master, updated. glibc-2.23-hurd+libpthread-20161218-9-gf881f17

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit f881f17267506f3ced17259a066a4d95bffb57f0
Author: Samuel Thibault <address@hidden>
Date:   Sun Sep 24 23:09:59 2017 +0200

    Fix symbols exposed in linkspace
    
    Libc uses some thread functions, but should not expose the corresponding
    symbols, so use aliases.
    
    * Versions (__cthread_detach, __cthread_fork, __cthread_keycreate,
    __cthread_getspecific, __cthread_setspecific, __pthread_getattr_np,
    __pthread_attr_getstack): Add symbols
    * pthread/cthreads-compat.c (cthread_t, cthread_fn_t, cthread_key_t): Do
    not define.
    (cthread_detach): Rename to __cthread_detach.
    (cthread_detach): Define as weak alias to __cthread_detach.
    (cthread_fork, cthread_keycreate, cthread_getspecific,
    cthread_setspecific): Likewise.
    * pthread/pt-getattr.c (pthread_getattr_np): Likewise.
    * sysdeps/generic/pt-attr-getstack.c (pthread_attr_getstack): Likewise.
    * sysdeps/pthread/pthread.h (__cthread_t, __cthread_key_t,
    __cthread_fn_t, __cthread_fork, __cthread_detach, __cthread_keycreate,
    __cthread_getspecific, __cthread_setspecific, __pthread_getattr_np,
    __pthread_attr_getstack): Declare.

-----------------------------------------------------------------------

Summary of changes:
 Versions                           |  8 ++++++++
 pthread/cthreads-compat.c          | 25 +++++++++++++------------
 pthread/pt-getattr.c               |  3 ++-
 sysdeps/generic/pt-attr-getstack.c |  3 ++-
 sysdeps/pthread/pthread.h          | 15 +++++++++++++++
 5 files changed, 40 insertions(+), 14 deletions(-)


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