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Add protected visibility marker for things that we want to keep public

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for historical ABI issues, but that are not allowed to be overriden.
This commit is contained in:
joerg 2013-04-30 14:45:15 +00:00
parent cb7ea2b5af
commit 392eebe2c8
1 changed files with 3 additions and 1 deletions
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4
sys/sys/cdefs.h
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@ -1,4 +1,4 @@
/* $NetBSD: cdefs.h,v 1.105 2013/01/29 01:23:12 gdt Exp $ */
/* $NetBSD: cdefs.h,v 1.106 2013/04/30 14:45:15 joerg Exp $ */
/*
* Copyright (c) 1991, 1993
@ -281,6 +281,7 @@
#if __GNUC_PREREQ__(4, 0)
# define __dso_public __attribute__((__visibility__("default")))
# define __dso_hidden __attribute__((__visibility__("hidden")))
# define __dso_protected __attribute__((__visibility__("protected")))
# define __BEGIN_PUBLIC_DECLS \
_Pragma("GCC visibility push(default)") __BEGIN_EXTERN_C
# define __END_PUBLIC_DECLS __END_EXTERN_C _Pragma("GCC visibility pop")
@ -289,6 +290,7 @@
# define __END_HIDDEN_DECLS __END_EXTERN_C _Pragma("GCC visibility pop")
#else
# define __dso_public
# define __dso_protected
# define __dso_hidden
# define __BEGIN_PUBLIC_DECLS __BEGIN_EXTERN_C
# define __END_PUBLIC_DECLS __END_EXTERN_C