[Bug libc/21550] sigwait namespace

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=21550

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a0f8b1152040d2652cdeb741ac586c95221dc5f0

commit a0f8b1152040d2652cdeb741ac586c95221dc5f0
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Mon Jun 12 17:38:20 2017 +0000

    Fix sigwait namespace (bug 21550).

    sigwait was added to POSIX in 1995; it is not in older POSIX versions
    or XPG4 / XPG4.2.  Thus it should be declared only if
    __USE_POSIX199506; signal.h wrongly declares it for __USE_POSIX.
    (sigwaitinfo is correctly conditioned on __USE_POSIX199309.)  This
    patch fixes the condition on the declaration of sigwait.

    Tested for x86_64.  Because of other namespace problems this does not
    allow any conform/ XFAILs to be removed.

        [BZ #21550]
        * signal/signal.h (sigwait): Only declare if [__USE_POSIX199506].

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Summary of changes:
 ChangeLog       |    5 +++++
 signal/signal.h |    2 ++
 2 files changed, 7 insertions(+), 0 deletions(-)

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