[Bug libc/18545] mq_receive, mq_send mq_timed* namespace

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https://sourceware.org/bugzilla/show_bug.cgi?id=18545

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dfa2d21450f44b3ea7129858764c1508d87ae27a

commit dfa2d21450f44b3ea7129858764c1508d87ae27a
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Jun 17 20:19:04 2015 +0000

    Fix mq_receive, mq_send mq_timed* namespace (bug 18545).

    mq_receive calls mq_timedreceive, and mq_send calls mq_timedsend.  But
    mq_receive and mq_send were in POSIX by 1996, while mq_timed* were
    added in the 2001 edition of POSIX.  This patch fixes this by making
    mq_timed* into weak aliases for __mq_timed* and calling the
    __mq_timed* names.

    Tested for x86_64 and x86 (testsuite, and that disassembly of
    installed shared libraries is unchanged by the patch).

        [BZ #18545]
        * rt/mq_timedreceive.c (mq_timedreceive): Rename to
        __mq_timedreceive and define as alias of __mq_timedreceive.  Use
        hidden_weak.
        * rt/mq_timedsend.c (mq_timedsend): Rename to __mq_timedsend and
        define as alias of __mq_timedsend.  Use hidden_weak.
        * sysdeps/unix/sysv/linux/syscalls.list (mq_timedsend): Use
        __mq_timedsend as strong name.
        (mq_timedreceive): Use __mq_timedreceive as strong name.
        * include/mqueue.h (__mq_timedsend): Declare.  Use hidden_proto.
        (__mq_timedreceive): Likewise.
        * sysdeps/unix/sysv/linux/mq_receive.c (mq_receive): Call
        __mq_timedreceive instead of mq_timedreceive.
        * sysdeps/unix/sysv/linux/mq_send.c (mq_send): Call __mq_timedsend
        instead of mq_timedsend.
        * conform/Makefile (test-xfail-UNIX98/mqueue.h/linknamespace):
        Remove variable.

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

Summary of changes:
 ChangeLog                             |   18 ++++++++++++++++++
 NEWS                                  |    2 +-
 conform/Makefile                      |    1 -
 include/mqueue.h                      |    4 ++++
 rt/mq_timedreceive.c                  |    6 ++++--
 rt/mq_timedsend.c                     |    6 ++++--
 sysdeps/unix/sysv/linux/mq_receive.c  |    2 +-
 sysdeps/unix/sysv/linux/mq_send.c     |    2 +-
 sysdeps/unix/sysv/linux/syscalls.list |    4 ++--
 9 files changed, 35 insertions(+), 10 deletions(-)

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