Blame SOURCES/glibc-rh677316-netdb-reentrant.patch

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Backport of this upstream commit:
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commit 7f9d00341057eb80b43fa83956b8d7798b4dabea
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Author: Roland McGrath <roland@hack.frob.com>
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Date:   Tue Aug 27 11:09:33 2013 -0700
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    Clean up h_errno declaration to use __thread unconditionally.
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Adjusted for the IS_IN changes, which were applied upstream after this
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commit (and downstream before its backport).
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diff --git a/include/netdb.h b/include/netdb.h
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index 3b24747fd5df6562..b6d7b90bbf8abd2e 100644
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--- a/include/netdb.h
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+++ b/include/netdb.h
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@@ -5,17 +5,12 @@
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 /* Macros for accessing h_errno from inside libc.  */
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 # if IS_IN_LIB
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 #  undef  h_errno
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-#  ifdef _LIBC_REENTRANT
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-#   include <tls.h>
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-#   if IS_IN (libc)
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-#    define h_errno __libc_h_errno
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-#   else
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-#    define h_errno h_errno	/* For #ifndef h_errno tests.  */
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-#   endif
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-extern __thread int h_errno attribute_tls_model_ie;
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+#  if IS_IN (libc)
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+#   define h_errno __libc_h_errno
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 #  else
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-extern int h_errno;
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-#  endif	/* _LIBC_REENTRANT */
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+#   define h_errno h_errno	/* For #ifndef h_errno tests.  */
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+#  endif
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+extern __thread int h_errno attribute_tls_model_ie;
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 # endif /* IS_IN_LIB */
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 # define __set_h_errno(x) (h_errno = (x))
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